Hp aruba port blocked by stp You can configure the ports to be an admin-edge-port. Mar 9, 2011 · Hi lcaruso. Leave any trunk links (switch links) as auto to allow learning state transition. Aruba 2930F 48 Port PoE. On our root bridge, we see frequent topology changes about every ten minutes. With MSTP, each spanning tree instance can include one or more VLANs. If you are wanting to filter out the “blocked by STP” messages and the offline/online event messages, you could configure the following MSTI of a blocked port. 0016 ; Ver #10:19. During spanning tree establishment, ports with admin-edge-port enabled transition immediately to the forwarding state. Jun 6, 2022 · Hi everyone, I have a few issues I am observing, but I am hoping an STP configuration solves this issue. Status of TC transmission restriction on the port. e. From what I can see this is compatible with rapid pvst+ but Aruba central only seems to give me the option to enable and select a priority of 0-15, the rest of the config options Mar 27, 2016 · The event logs show this: I 03/27/16 08:13:49 00077 ports: port B2 in Trk51 is now off-line I 03/27/16 08:14:28 00435 ports: port B2 is Blocked by STP Aug 1, 2017 · Some edge ports change between "on-line", "off-line" and "Blocked by STP" more than once: I 08/01/17 09:09:05 00076 ports: port 24 is now on-line I 08/01/17 09:09:05 00435 ports: port 24 is Blocked by STP I 08/01/17 09:08:58 00077 ports: port 24 is now off-line. Sep 20, 2021 · merhaba sayın hocalarım , bazı portlar STP blocklanıyor ama ben cli ekranında göremiyorum , mantığı nedir nasıl akıtabilirim kapanan portları. At both ends, the fibre terminates in a Trendnet fibre converter and transitions to 1000Base-T. I 01/07/90 22:46:34 00435 ports: port 24 is Blocked by STP I 01/07/90 22:46:31 00077 ports: port 24 is now off-line I've seen this happen before on both Aruba and Sep 5, 2019 · Bei Aruba wiederum geht jeder port erst in den Block und wird danach frei gegeben. So once you add a channel if you look at spanning tree you will see only Portchannel interface in spanning tree. HP J9728A 2920-48G port 19 is now off-line I 02/17/20 16:34:37 00435 ports Jan 1, 2013 · show spanning-tree inconsistent-ports. Reason that the port was blocked: Root-Protected—Root guard feature. Generally everything works without problems Jul 15, 2013 · Setting up Spanning Tree on HP switches is really easy, after you’ve done it a couple of times, but getting it configured can seem like a daunting task for beginners, esp. 18. HP-2530-8-PoEP# show spanning-tree vlan 1. 0008 I do see in logs where stp disables the vlan then enabled it then disabled it the other day and then it is unable to connect to the sntp server after that: 09/08/17 08:42:03 00839 stp: CST Root changed from 0: e0071b-d56980 to 32768: (this device) I 09/08/17 08:42:03 00077 ports: port 48 is now off-line Active—Effective spanning tree protection feature. My advise would be to config MST as apose to RSTP and segregate the vlans into different instances. display stp abnormal-port. However the STP blocks the port where the Controller is connected and boots all the traffic. Any help Jan 25, 2017 · I am using a HP Aruba 2920-48G Switch with the latest firmware (downloaded and installed last week) and have configured a static LACP for the two ports on the switch that the server is connected to and both ports are set to 'Auto'. in a production network. 1. It has some trunks to the Hyper V server and another two sets of Oct 14, 2019 · config Show spanning tree configuration information. I admit I do not know much about HP switches so if this sounds wrong please correct me. For example, if you only want to filter out the “blocked by STP” messages, you could configure the following: logging filter nobpdu 10 “Blocked by STP” deny logging filter nobpdu enable. Lorsque je regarde le log du switch, j'ai le message qui indique: Ports: port x is now off-line. Spanning tree protection features are as follows: root—Root guard. In order to restore it, a CLI reload is performed to the Controller. 11 dhcp-snooping vlan 1-2 1003 1005 1007 Aug 16, 2018 · spanning-tree 1/1-1/10 admin-edge-port . network-admin. You could probably simplify your configuration by letting all vlans exist in the default instance 0. BlockReason. Layer 2 Ethernet interface view. Smells like STP issue. 6b. undo stp enable. Found out a really old switch had a port failing and migrating ports resolved the issue. Nov 13, 2017 · At each port change, STP will shut down the port, send out BPDU frames, check with the other switches, re-calculate a path, and then enable the port. We've got two "core" switches, and two essentially IDF's. Syntax: [no] spanning-tree USING THE WEB MANAGEMENT INTERFACE 1. And that’s what the topology is currently looking like, but this 1/1/26 is going up and down all the time, and I have STP topology changes all the time. Sep 12, 2017 · I 09/08/17 08:43:23 00435 ports: port 25 is Blocked by STP console and check to see if spanning tree has blocked anything. Feb 19, 2014 · Flow-Control should be enabled on iSCSI ports and it should also be set to admin-edge-port so spanning-tree won't block the port when it comes online, otherwise you will see performance degredation. Role Jul 20, 2017 · Looks like a too long Ethernet run for PoE to me, you see the STP flap because STP starts by blocking the port by default, then bringing it online when it notices the port being an edge port, and then your device either draws too much current so that the voltage drops too much at it's end, shutting down the device to protect it from a brown-out condition. In one instance, the HP/Aruba stole the spanning tree root even though it is set to 32768. Dec 18, 2018 · @mateens wrote: There is an old cisco 6509E core switch running pvst acting as CST root to all HP access switches which are running default mst. I see a message about STP blocking the port. Port Authentication against Radius is active. If STP and loop protection are both enabled on the same VLAN, STP takes precedence. 63. All other ports will maintain their role. The spanning tree feature is enabled on all ports. I 06/09/12 16:54:59 00076 ports: port L1 is now on-line. Glen is right. When you enable the spanning tree feature, the device operates in STP, RSTP, PVST, or MSTP mode, depending on the spanning tree STP is mutually exclusive with loop protection. HP 2530G 48 port PoE. There is a high collision or drop rate reported on some ports: Some older devices are limited to four ports in a trunk. 28. Access Browser GUI on HP Aruba Switch. STP is a network protocol that builds a logical loop-free topology for Ethernet networks. 61. Aruba 3810 / 5400R Advanced Traffic Management Guide for ArubaOS-Switch 16. The most common workaround is to enable portfast on ports that will only be used for edge devices. Rack2sw2(config)# interface l1 enable. The access points are driven by UniFi Network Application 7. A switch running RPVST+ transmits IEEE spanning tree BPDUs. but the fact that nobody in HP/Aruba had the knowledge to point this out was the I 05/08/23 12:43:15 00435 ports: ST2-CMDR: port 2/E8 is Blocked by STP I 05/08/23 12:43:15 04173 bpdu: ST2-CMDR: BPDU Throttling triggered for MSTP BPDUs on Slot 2/E Jun 2, 2008 · Hello all, I'm having some rather odd issues with our HP ProCurve 5412zl's. Select Enable next to Spanning Dec 22, 2023 · I 12/04/23 10:22:57 00077 ports: port 38 is now off-line I 12/04/23 10:23:00 00435 ports: port 38 is Blocked by STP I 12/04/23 10:23:03 00076 ports: port 38 is now on-line. here is a list of the ports in all the switches. Loop-Protected—Loop guard feature. A port in the MSTI receives a BPDU sent by itself. detail Show spanning tree extended details Port, Bridge, Rx, and Tx report. A number used to identify the root bridge in an STP Spanning Tree Protocol. VLAN of a blocked port. This will prevent unnecessary blocking this port by STP in order to check the STP role. Command context. if there is a loop, the switch will disable one of these ports* to prevent packets being sent in an infinite Warning: The BPDU filter allows the port to go into a continuous forwarding mode and spanning-tree will not interfere, even if the port would cause a loop to form in the network topology. show spanning-tree inconsistent-ports. Sep 12, 2017 · Thought about the duplicate IP so double checked that. Les antennes et le controleur virtuel redémarrent de temps en temps. i can see in the log that the port is blocked by AAA. Shows ports blocked by STP protection functions like Root, Loop, or BPDU guard. Here are some simple steps on how to get it up and running in no time. Layer 2 aggregate interface view. I 06/09/12 16:54:59 00435 ports: port L1 is Blocked by STP. Once a week, for no apparent reason, around same time 7-8 am network goes down. Only these speeds are allowed with this setting. I get this in the log a every minute when the switch is connected. It interoperates with IEEE RSTP and MSTP spanning tree regions, and opens or blocks links from these regions as needed to maintain a loop-free topology with one physical path between regions. ) eliminates Layer 2 loops in networks, by selectively blocking some ports and allowing other ports to forward traffic, based on global (bridge) and local (port) parameters you can configure. switch output - I 05/01/14 08:48:44 00076 ports: port C2 is now on-line I 05/01/14 08:47: I 11/06/19 07:40:33 00076 ports: port 7 is now on-line I 11/06/19 07:40:33 00435 ports: port 7 is Blocked by STP This state change is caused by STP - the port isn't online right away, only when STP has determined it's not causing a loop (here it is in admin-edge-port mode since it goes online right away, like portfast on Cisco). Jul 11, 2024 · spanning-tree <port> bpdu-filter for end-node ports that you want to ignore BPDUs on - caution: disables STP and should be combined with loop protection And of course: choose your root bridge wisely ( spanning-tree priority 0 ), select a backup root bridge ( spanning-tree priority 1 ) and do not accept roots on any other ports (see root-guard Aruba/HP 2920 STP Blocking an Aruba 505 AP? Just started running into this issue with a new AP we installed in one of the areas that's been lacking in wireless. AOS-switch2# sho spanning-tree Spanning tree status : Enabled Protocol: MSTP MST0 Root ID Priority : 0 Feb 27, 2015 · In your scenario, when the loop is disconnected the BPDUs stop arriving, and if the loop isn’t recreated STP won’t block it the next time the port comes online (STP and it’s successors all start by checking if a port will cause a loop when it first see it come online, so essentially every port starts of as blocked when it comes online). 9b. It's been there for 1 year. Auto Edge Port : Yes . Config: Uplink is port 52, as those last four ports are SFP-ports. As i can see it shutdown the ports used for LAN connections. We found one switch having multiple Aug 7, 2014 · I 08/06/14 10:21:15 00435 ports: port A9 is Blocked by STP I 08/06/14 10:21:15 00077 ports: port A9 is now off-line I 08/06/14 10:21:20 00435 ports: port A9 is Blocked by STP Apr 5, 2022 · hostname "swt-enc-k004-1-b" interface 23 disable lacp Active exit interface 24 disable lacp Active exit trunk 18-21 Trk1 LACP vlan 1 name "DEFAULT_VLAN" untagged 17,22-24,Trk1 ip address dhcp-bootp no untagged 1-16 exit vlan 100 name "ostack_1_public1" tagged 1-16,Trk1 no ip address jumbo exit vlan 63 name "ostack_1_br-vxlan" tagged 1-16,Trk1 Mar 20, 2011 · b) HP boundary port talk legacy (R)STP on IST with bpdu that are sent untagged "out-of-band" i. The default value of 0 (zero) sets an infinite timeout (that is, ports that are disabled by bpdu-protection are not, by default, re-enabled automatically). show run in 1/c7 interface 1/C7 untagged vlan 500 spanning-tree admin-edge-port spanning-tree bpdu-filter exit Show logging Replacing the cabling stopped the bouncing but not the issue. bb. I 12/31/03 14:57:07 00435 ports: port 1 is Blocked by STP show spanning-tree inconsistent-ports. The switches are connected through fiber cables. spanning-tree spanning-tree 1/1 admin-edge-port spanning-tree 1/1 bpdu-protection All Ports have the above enabled. Aruba STP settings are default, globally enabled. This in turn helps in faster onboarding of devices. Can someone shed some light. 04. May 11, 2016 · I 05/11/16 13:42:07 00435 ports: port 26 is Blocked by STP I 05/11/16 13:42:41 00076 ports: port 26 is now on-line I 05/11/16 13:44:54 00077 ports: port 26 is now off-line spanning-tree rpvst-guard spanning-tree port-type admin-edge aaa authentication port-access client-limit 5 aaa authentication port-access dot1x authenticator initial-auth-response-timeout 10 max-retries 3 enable aaa authentication port-access mac-auth cached-reauth reauth enable dhcpv4-snooping max-bindings 100 exit In a typical implementation, BPDU protection would be applied to edge ports connected to end user devices that do not run STP. clients ignore the STP packet, where as other switches count the various packets and determine if there are 2 paths to the same switch via any ports. loop—Loop guard. The STP BPDU filter feature allows control of spanning tree participation on a per-port basis. Jun 22, 2018 · Rack2sw2(config)# spanning-tree l1 auto-edge-port. VLAN ID : 1 RPVST Enabled : Enabled Running configuration: ; hpStack_WC Configuration Editor; Created on release #WC. no spanning-tree port-list bpdu-protection-timeout timeout. Sep 6, 2022 · I would generally add the following spanning-tree commands to the access ports . In Juniper legacy EX Series switches, if an interface has been configured with the spanning tree protocol but remains in down status, the " show ethernet-switching interface " output will display " blocked by STP " as shown below: Jun 15, 2015 · Once you add an interface to port-channel, that member port does not participate in lacp until it removes from channel. A colleague managed to patch up a cable from port 4 AND port 14 as well to the upstream switch - making two "loops". Enables admin-edge-port on ports connected to end nodes. I feel the cause may be because spanning tree has not been configured on the Aruba, in Aruba central under device\ interface\ Spanning-tree the only option is MSTP. -I am comfused why some ports are in blocking state amother one on forwarding. Rack2sw2(config)# show spanning-tree l1 detail | include Edge. Almost all switches that support spanning tree support portfast or some similar mechanism. 74 kind regards I have RSTP enabled on my HP switches and also on Aruba controllers. If a bridge or switch is detected on the segment, the port automatically operates as non-edge. Operators or Administrators or local user group members with execution rights for this command. This connection should be blocked by STP. Is it possible to deactivate Spanning Tree for After configuring loop guard. May 25, 2016 · Aruba Documentation Portal; HP STP Port Blocking. 1. The live core switch is unable to SSH into the HP/ARUBA. 02. The reason, my side was using PVID 2 (in fact, the port was configured as "port access vlan 2"), and the provider wasn't using any VLAN (which is equivalent to "port access vlan 1" or "no port access vlan"). Display BPDU statistics on ports. spanning-tree bpdu-guard; spanning-tree root-guard; spanning-tree tcn-guard; spanning-tree port-type admin-edge; loop-protect-----Any opinions expressed here are solely my own and not necessarily that of Hewlett Packard Enterprise or Aruba. Aug 21, 2017 · Hi, I faced this issue twice in the past 2 weeks. Here’s a snip from one of my switches. 68, installed on a linux VM. display stp down-port show spanning-tree inconsistent-ports Description. But when the student cabled the topology first and entered the switch configuration afterwards, the STP would prevent DHCP Discover messages to get past L3 towards the router, same message as OP describes. Jun 17, 2024 · I 06/17/24 11:31:32 00435 ports: ST2-CMDR: port 2/B2 is Blocked by STP. Disable the STP for the port on the Controller. Ports disabled by BPDU Protection remain disabled unless BPDU Protection is removed from the switch or by configuring a nonzero BPDU protection timeout. Jan 20, 2019 · I 01/21/19 10:14:19 00435 ports: ST1-CMDR: port 1/21 is Blocked by STP and I havent seen eavesdrop prevention in the documentation HP sent us. Core switch = HP ARUBA. none—No spanning tree protection feature is configured, or the spanning tree protection is not triggered. 1). ef:bc hostname "Core-HV-Commander" vsf enable domain 9000 member 1 type "JL259A" mac-address 9cdc71-37da40 priority 255 link 2 1/23-1/24 link 2 name "I-Link1_2" exit member 2 type "JL259A" mac Jan 7, 2022 · It looks like something related to the device's NIC (Are Firmware/OS drivers fully updated?), that "Blocked by STP" could be misleading (every time a port changes its state the STP kicks in to do its checks); what I see here is a port changing its state on->off (causing a series of forwarding->blocking->forwarding cycles) but blocking->forwarding happens immediately (duration: sub-second) so Aug 30, 2012 · Hello guys, This is my first time to post here on Cisco forums. I 08/21/12 09:39:01 ports: port A20 is now off-line. inconsistent-ports Show information about inconsistent ports blocked by spanning tree protection functions. stp-admin-edge-port. When a port is blocked by UDLD, the event is recorded in the switch log or via an SNMP trap (if configured); and other port blocking protocols, like spanning tree or meshing Oct 8, 2024 · aaa port-access authenticator client-limit 3 aaa port-access mac-based aaa port-access mac-based addr-limit 3 aaa port-access controlled-direction in spanning-tree admin-edge-port spanning-tree bpdu-protection exit. f3. Ports: port x is now on-line Sep 14, 2017 · I have a terminal on the shop floor that’s been causing spanning tree to ban it I 09/14/17 16:26:59 00076 ports: port A23 is now on-line I 09/14/17 16:26:56 00435 ports: port A23 is Blocked by STP I 09/14/17 15:08:33 00077 ports: port A23 is now off-line I 09/14/17 15:07:02 00076 ports: port A23 is now on-line I 09/14/17 15:06:59 00435 ports: port A23 is Blocked by STP W 09/14/17 15:06:46 Jun 8, 2021 · I configured STO on HP aruba switch - MST0… switch2 is connected to root bridge over LAG1 this is OK other ports are normal access ports on different VLANs on those ports are connecter PCs and they are working. my question is this: i would like to get the MAC-ADDESS that got blocked. fc. For example, if you want to re-enable protected ports 60 seconds after receiving a BPDU, you would use this command: Jun 2, 2004 · 'show spanning-tree blockedports' I get as an answer: Number of blocked ports (segments) in the system: 0. fb. If I disable STP from my Aruba controller I get excessive broadcast errors. I get sudden port blocked by STP and online messages on certain port. Jul 15, 2016 · I have HP Procurve 4108GL as a core and a root (10. If spanning tree disables a port then it must manually be enabled. But still the port is blocking by STP. In a typical implementation, BPDU protection would be applied to edge ports connected to end user devices that do not run STP. 10 dhcp-snooping authorized-server 10. Usage guidelines. Description. Please suggest. 7c. A port receives a low-priority BPDU from a The Spanning Tree Protocol (STP Spanning Tree Protocol. instance. When a port belongs to multiple VLANs, it may be blocked in one spanning tree instance, but forwarding in another instance. Log on to the device using a valid user name and password for read-write access. Here's an example on MSTP based switch for port A7. Ports: port x is Blocked by STP. So I went through each switch, to check where it comes from, with the command “show spanning-tree topo-change-history originated”. Determine which VLANs to assign to each instance, and use port trunks with 802. On the 6400 Switch Series, interface identification differs. Access: I 06/16/24 10:50:58 00076 ports: port 52 is now on-line I 06/16/24 10:50:58 00435 ports: port 50 is Blocked by STP I 06/16/24 10:50:58 00435 ports: port 49 is Blocked by STP. STP is a network protocol that builds a logical loop-free topology for Ethernet networks. ; J9775A Configuration Editor; Created on release #YA. It’s normally not necessary for casual switch use. " If one of the other ports becomes disabled, a blocked port replaces it (Port Status becomes "Up"). As the cisco is the cst root and to negate any possible stp pvst simulation failure between the cisco and hp switchesv make sure the cisco vlans has a better stp priority than the mst 0 of the HP ( i guess this is the case anyway) Oct 29, 2020 · Can you confirm what switch is the stp root, I assume its the HP as that's running multiple vlans- if so change the stp bridge id of the cisco switch to a higher / stp lesser value than the HP switch ( no need to change stp mode on the cisco either) cisco switch spanning-tree vlan 1-4094 priority 61440 We would like to show you a description here but the site won’t allow us. We would like to show you a description here but the site won’t allow us. Specifies a VLAN ID number. "sh spanning-tree blocked-ports " shows you what PORTS are blocked. 98. Disputed—Dispute protection. 0 Kudos. 0014 ; Ver #11:10. Oct 17, 2022 · To enable spanning-tree on an Aruba switch, you will need to first connect to the switch via the command line interface. Depending on your configuration a port-channel itself can be blokcing if you have redundant port-channels. Oct 17, 2022 · A single or aggregated uplink to other switch (apparently, to your Core) doesn't need that (eventually you can explicitly define it as point-to-point - so overcoming the auto discover - with the spanning-tree Trk1 point-to-point-mac true command but that should be the default yet). debug-counters Show spanning tree debug counters information. Jun 3, 2019 · Disabled is a state in which the port is not usable until it is enabled. Switch 2 is connected to Switch 3 Port 1/1/26 through fiber. Feb 6, 2018 · Hello, i have attached a IP-Phone (tagged vlan 1540) to my HP 2920 48G-PoE. However, when i run command 'show lacp' one of the ports has a port status of 'Blocked' and a LACP status of Table 1: Viewing or Configuring Port and Trunk Settings Name. ff. AdminEdgePort : Yes. stp enable. Showing inconsistent port information: Showing inconsistent port information for VLANs 1 to 4: Dec 8, 2005 · the method goes a bit like this: each switch sends an STP announcement on all ports. A1 and A2 are connected to the HP2920 (10. places the port into blocked status. It keeps on going for about 20 minutes and then everything back to normal for about a week. Old: HP 8212 link --> 2x SFP --> 2530 link Current: HP 8212 link --> 1x SFP --> 2530 link FS1048 link --> 1x SFP --> 2350 no link Anyone any idea? Edit: No LACP or spanning tree is configured. Jul 5, 2017 · SWP (Provision) has STP (RSTP) enabled. I 11/12/17 20:52:13 00076 ports: port 3 is now on-line I 11/12/17 20:52:10 00435 ports: port 3 is Blocked by STP I 11/12/17 20:52:08 00077 ports: port 3 is now off-line I 11/12/17 20:42:03 00076 ports: port 3 is now on-line I 11/12/17 20:42:00 Jan 13, 2020 · In LOG I dont see any issue. Configures the duration in seconds when protected ports receiving unauthorized BPDUs will remain disabled. spanning-tree spanning-tree priority 2 Aug 1, 2022 · But, sometimes, I run into a broadcast storm that is intercepted by the spanning tree protocol of the switches that disables the ports ( to which the APs are individually connected) or blocks the access points (the APs no longer receive the IP via DHCP, managed upstream by the firewall, or they lose the pairing with the controller), also Jun 13, 2014 · Spanning-tree ALTERNATE status blocking net mgt port Glen Van Lehn Added Oct 26, 2010 ProCurveRS(config)# spanning-tree This command enables a separate spanning tree in each VLAN, including the default VLAN. show spanning-tree inconsistent-ports [vlan <VLAN-ID>]. 84. The port is connected to a copier that keeps going to sleep. TC-Restriction. no stp-admin-edge-port. I 08/21/12 09:39:05 ports: port A20 is Blocked by STP. You modify this behavior if you want to get into fine-grained control of your switch. 10. spanning-tree port-list admin-edge-port no spanning-tree port-list admin-edge-port. maybe on HP side you have the command #port trunk pvid vlan x while on Cisco side Nov 17, 2011 · For a manual setup of Edge ports, enable admin-edge-port on ports connected to end nodes. Something in your topology is causing spanning tree to reconverge. 5. HP Switch(config)#: show spanning-tree Spanning Tree Information STP Enabled [No] : Yes Mode : RPVST Extended System ID : Enabled Ignore PVID Inconsistency : Disabled RPVST Enabled VLANs : 20 Switch MAC Address : 002347-c651c0 Root Guard Ports Switchport trunk Spanning-tree portfast Description link to CV On the 3com the config is interface GigabitEthernet1/0/24 stp edged-port enable port link-type trunk undo port trunk permit vlan 1 port trunk permit vlan 7 to 8 70 128 157 200 port trunk pvid vlan 305 undo jumboframe enable description "Uplink to MS 1G" Syntax show spanning-tree inconsistent-ports [vlan <VLAN-ID>] Description. Apply BDPU guard on all accessports and rootguard on all designated ports. May 10, 2022 · I noticed that everything works fine if I configure the switch properly and only then go and cable the LAP on the trunking port from the switch. Nov 13, 2017 · Not really. Value; Priority. Aug 1, 2022 · Hi guys, I have a somewhat anomalous problem that I honestly don’t know how to fix: I have an infrastructure consisting of about twenty Aruba HP 2530 switches (8, 24 and 48) to which they are connected, distributed throughout the building, 50 Ubiquiti U6-LR. 0. VLAN ID. Switch 1 is connected to Switch 3 (Aruba CX 6100) Port 1/1/25 through fiber. Feb 29, 2016 · Below is the config snippet of the second switch. I have been using this method for 3 years. 2. Now both ports seems to be blocked as shown below. In an MSTP topology, per-port parameters are set in the global configuration context. Our Network infrastructure has the following components: - 2 HP 5406Rzl2 Core Switches - Around 20 hp procurve switches (2510, 2610, 2620) Syntax show spanning-tree inconsistent-ports [instance <INSTANCE-ID>] Description. Shouldnt it be showing R-PVST?-----VLAN0001 Spanning tree enabled protocol "rstp" Root ID Priority 24577 Cost 4 Port 1 (GigabitEthernet1) Oct 6, 2016 · If you are brave, you could enable bpdu-filter on that port (spanning-tree <port> bpdu-filter) - but that may create major network problems elsewhere if there really is a spanning tree problem coming from the phone port. A port with the BPDU filter enabled will ignore incoming BPDU packets and stay locked in the spanning tree forwarding state. We are using HP switches. We pre-configure these APs in our office to ensure that they get all of their updates and change their names but this is a new issue. 13. Once you are logged in, you will need to enter the following commands: spanning-tree mode mstp spanning-tree mst 0 priority 8192 spanning-tree mst 1 priority 8192 The first command sets the spanning-tree mode to MSTP. I 12/31/03 14:57:00 00077 ports: port 1 is now off-line. Which is exactly what I expect since I turned off STP. If you're seeing this occurring continually, the port is bouncing, and that could be either a power delivery issue or a problem with the connected AP itself causing it to continually reboot. Shows ports blocked by STP protection functions such as Root guard, Loop guard, BPDU guard, and RPVST guard. if i do the show port-access authenticator, port there are blocked are shown as enabled Nov 29, 2020 · HP-Switch(config)# test cable-diagnostics <port-list> If the cable is indeed faulty, it may not be possible to mitigate the effects for the connecion. Spanning Tree Information. Switch S16 then connects to S14 which connects to Apr 13, 2022 · We noticed that the switch port starts flapping (stp blocking). It can be used to exclude specific ports from becoming part of spanning tree operations. These are normal log messages for a port bouncing on a HP Procurve/Aruba switch. 08/20/17 22:47:58 00435 ports: AM1: port C3 is Blocked by LACP 08/20/17 22:47:58 00435 ports: AM1: port C4 is Blocked by LACP 08/20/17 22:47:58 00079 ports: AM1: trunk Trk13 is now inactive 08/20/17 22:47:58 00077 ports: AM1: port C3 in Trk13 is now off-line 08/20/17 22:47:58 00077 ports: AM1: port C4 in Trk13 is now off-line Trk13 is the Jul 16, 2021 · It also clarifies that "blocked by STP" does not indicate an issue with the STP. and then i put the command "show spanning-tree" it´s say the follow: CORE# show spanning-tree Spanning tree status : Enabled Protocol: RPVST Extended System-id : Enabled Ignore PVID Inconsistency : Enabled Path cost method : Long Current Virtual Ports Count : 0 Maximum Allowed Virtual Ports : 2048 No STP instance present. 13: I 01/09/20 15:07:16 00435 ports: port 22 is Blocked by STP I 01/09/20 15:07:18 00076 ports: port 22 is now on-line Re-enabling a port blocked by BPDU protection. The System configuration panel is displayed. 82. 3f. STP Enabled [No] : Yes Mode : RPVST Extended System ID : Enabled Ignore PVID Inconsistency : Disabled Switch MAC Address : e0071b-464ac0. In the current setup, a port on S10 (HP 2910al) connects to a TFC, crosses between buildings, connects to the another TFC, and then into S16 (another HP 2910al). Best Oct 10, 2018 · spanning-tree spanning-tree mode rapid-pvst . HP settings are globally enable STP and force RSTP, no other settings. Operator (>) or Manager (#) Parameters. It applies a separate, per-instance forwarding topology which uses RSTP for rapid convergence. None Authority. The status of the port blinks amber and The 2530 gets an uplink on the hp switch, it does not matter which port I use. Feb 26, 2007 · Errors on Blocked Switch Port with STP enabled the switches are HP ProCurve Switch 3400cl-48G running firmware version: Created on release #M. bpdu—BPDU guard. I 08/21/12 09:39:06 ports: port A20 is now off-line . 9c. This means that loop protection does not take any action on a port blocked by STP. Views. "sh spanning tree summary" shows you info about what VLANS have been blocked/forwarded etc but not the ports. The 10/100 auto-negotiation feature allows a port to establish a link with a port at the other end at either 10 Mbps or 100 Mbps, using the highest mutual speed and duplex mode available. ef. Then we confirmed that the STP is disabled on the Mikrotik router and configure the switch port as below. This example shows that, by executing spanning-tree 20 loop-guard, loop guard has been configured on port 20 of Switch 2:. Aruba 2930F 28 port PoE (this is intedned to be the new core switch replacing the 3Com unit above) HP V1910-24G - This is the switch labelled as MOFA in the lldp out put above. I 12/28/12 15:09:29 ports: port 16 is now off-line I 12/28/12 15:10:38 ports: port 16 is Blocked by STP Mar 25, 2020 · spanning-tree . One of the ways to debug is to check your LACP Peer System-ID matches on both ports. Also, when I issue: 'show spanning-tree detail' I get: No spanning tree instance exists. I have an HP ProCurve 2650-PWR switch and it's running spanning-tree (RSTP). After the block/offline action from the switch the device is permanent offline. The no form of the command disables STP edge port functionality. The LACP status of the blocked ports is shown as "Failure. 37. 10 ; Re-enabling a port blocked by BPDU protection; Configuring per-port spanning tree; 3) You've defined 3 spanning-tree instances but they appear to have the same topology. It will carve off about some seconds for the port transition. 1Q VLAN tagging where separate links for separate VLANs would result in a blocked link preventing communication between nodes on the same VLAN. There is also issues with access at certain times with the end user devices plugged into the new HP/ARUBA. Range: 0-65535 seconds Mar 5, 2020 · I had this kind of problem twice, first when I plugged my switch to a provider router, and it blocked the port immediatelly. This configuration removes the port participation from STP interactions when onboarding devices. Jul 23, 2019 · Multiple Spanning Tree (MST) Information STP Enabled : Yes Force Version : MSTP-operation IST Mapped VLANs : 1-4094 Switch MAC Address : 941882-b26c00 Switch Priority : 32768 Max Age : 20 Max Hops : 20 Forward Delay : 15 Topology Change Count : 5 Time Since Last Change : 54 mins CST Root MAC Address : 20677c-a64200 CST Root Priority : 0 CST So they don't get an IP address if spanning tree is enabled. If STP BPDU packets are received on a protected port, the feature will disable that port and alert the network manager via an SNMP trap as shown in BPDU protection enabled at the network edge. Computers that are connected to the HP/ARUBA are unable to ssh to the core. te For example, spanning tree packets that are looped back to an edge port will not be processed because they have a different broadcast/multicast MAC address from the client-authenticated MAC address. To ensure that client-authenticated edge ports get blocked when loops occur, you should enable loop protection on those ports. If you suddenly experience high traffic load, disable the port and reconfigure the BPDU filter with the CLI command: "no spanning-tree PORT_LIST bpdu-filter" Sep 23, 2010 · I think the sequence that is being referred to is this: I 09/23/10 12:41:12 00435 ports: port 2 is Blocked by STP I 09/23/10 12:41:15 00076 ports: port 2 is now on-line Aug 21, 2012 · I 08/21/12 09:39:01 ports: port A20 is Blocked by STP. I have no tried to reverse the firmware update or reboot the switch because i am afraid it can make the problem worse. 37) on ports 43 and 44 accordingly. We're in the process of implementing VoIP and prior to doing so, we're trying to determine the cause of multiple ports being disabled by STP within our switch logs. 08. The sequence of log messages: port offline blocked by STP port online Mar 9, 2018 · We are having a problem in our spanning tree that is driving me nuts. This wont resolve the looping device but will stop STP reconverging when superier BPDU's are received Aug 13, 2018 · Some ports will blocked by the switch (a Procurve 5400 running 16. Determine the designated bridge and designated port for each LAN segment. I would start with captures and see if you're getting BPFUs (TCNs specifically) on that port and trace them back to their origin. display stp bpdu-statistics [ interface interface-type interface-number [ instance instance-list] ] Display information about ports shut down by spanning tree protection features. If I'm on the wrong one, I apologized. Apr 2, 2019 · As noted by alagoutte, the STP port blocking is a default behavior when a port first comes up, and normally clears automatically. Portfast, essentially, disables spanning tree on that port, eliminating the 30 second delay. Problematik port was n. Firmware revision is: WB. If the port still does not receive a health-check packet after waiting for five intervals, the port concludes that the link has failed and blocks the UDLD-enabled port. Interface 24 on switch Rack2sw1 changes state to inconsistent and a blocked port by spanning-tree message is logged ***** Switch Rack2sw1 Configuration ***** Rack2sw1# show config | begin spanning-tree. Shows ports blocked by STP protection functions such as Root guard, Loop guard, BPDU guard, and RPVST guard in addition to MSTI information. Oct 27, 2017 · Nous disposons d'AP IAP305, connectées sur des switchs Aruba 2530G PoE. Any suggestions on why would switch stop getting BPDUs? Here is the log from my Ports disabled by BPDU Protection remain disabled unless BPDU Protection is removed from the switch or by configuring a nonzero BPDU protection timeout. But it also doesn't get an uplink to the fortiswitch. Problem: The Aruba figured it would block port 14 and 52! show spanning-tree inconsistent-ports [vlan <VLAN-ID>] Shows ports blocked by STP protection functions such as Root guard, Loop guard, BPDU guard, and RPVST guard. Expand Post. However, it shows a different result when you do show spanning-tree command. RE: CPPM Jul 11, 2017 · Hello, i hope someone can help me with our problem. Immediately becomes on-line Determine the root bridge and root port for each instance. Default. Sep 16, 2019 · One of my customer is facing issue with port flapping on the Switch when I checked the Switch logs its saying due to STP (The Port is Blocked by STP) after 2 seconds the ports come up and the issue reoccurs after 30 mins. 16. 1 dhcp-snooping authorized-server 10. For example, if you want to re-enable protected ports 60 seconds after receiving a BPDU, you would use this command: Use RSTP/MSTP as a minimum, and set the edge ports to "spanning-tree ethernet 1-20 admin-edge-port". 27:00 hostname "HP2530-48G-3" console baud-rate 115200 dhcp-snooping authorized-server 10. Configures the port as a spanning tree administrative edge port for the role. 9f. x) with message "blocked by AAA". you can do this with "show lacp peer" Your system-ID should show the MAC address of the switch you are peering with, and for LACP to bundle together, these need to match. https . not related to vlans where instead cisco sent bpdus on "native" vlan (default vlan1 on both) so pay attention on trunks (dot1q) and allowed vlans (every vlan + native) but i prefer to left native vlan on IST Apr 30, 2020 · Testing is accomplished by changing the spanning-tree priority on switch Rack2sw2 to zero. When eight LACP-enabled ports are connected to one of these older devices, four ports connect, but the other four ports are blocked. The other end of the Switch is connected to Aruba 207 Access Points. Our company bought a Cisco 2960-S to add to the network, We gave the interface VLAN 1 an IP address, and tried to attached the switch to a jack port on the wall to test if it gets a link or not. However, it seems more likely that STP is part of the symptom rather than the problem May 1, 2014 · I have downloaded the logs from the controller, so is there a file in there where I can see the port up/down events to see if this is triggering the HP port to run STP. 34. When it does, it turns off the NIC. I am trying to troubleshoot the issue but i cannot find a way to have a show port command showing the ports blocked by the AAA without going into the logs. If a bridge or switch is detected on the segment, the port automatically operates as Display history about ports blocked by spanning tree protection features. Admin-edge-port is disabled by default. Symptoms. Port mirroring - stp blocked keshavboodhun Added Jun 17, 2024 Mar 10, 2021 · I have two buildings linked by an inherited single-mode fibre cable with SC connectors. show spanning-tree inconsistent-ports [instance <INSTANCE-ID>]. The normal sequence of events for a port (connected to a non-STP edge host as most IP phones are) coming on-line and then off-line is: Port is Blocked by STP; Port is now on-line; Port is now off-line; The port enters STP blocked when it is first brought up. In most cases, HP recommends that you use the default settings for these parameters and apply changes on a per-port basis only where a non-default setting is clearly indicated by the circumstances of individual links. It clearly indicates that no port is in blocked state. Loopback-Protected—Self-loop protection. Predefined user roles. If you are setting up 2 ports with one intended to be a backup trunk link then the states you are looking for are “forwarding” or “blocking”. 59. Jan 9, 2011 · The switch is running rapid-pvst as visible from the show run output "spanning-tree mode rapid-pvst". Note that enabling STP might cause small network outages, so don’t do this in a production network if you haven’t tried it 3Com 4500 PWR 24 port PoE (Core switch) connected to. spanning-tree Trk1 priority 4 spanning-tree config-name "Config1" spanning-tree config-revision 1 spanning-tree instance 1 vlan 1 2 20 25 30 35 40 60 100 110 120 125 130 140 spanning-tree instance 1 vlan 150 155 160-162 164-166 I 01/26/90 08:36:41 00435 ports: port 35 is Blocked by STP. Hi, I couldn't find the topic about HP product. One of the HP 4345MFC printer is on one of the port on that switch. The Phone got 1 PC-Port to attach a PC behind the Phone. bf. Oct 13, 2017 · I 01/01/90 08:00:32 ports: port 1 is Blocked by LACP I 01/01/90 08:00:31 ports: port 49 is Blocked by LACP Thats a HP switch when i cehck the alert out .
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