Switching

Hi everyone,I'm having trouble finding any information on what these logs could mean:2011 Oct 27 16:17:48 XALBCVMNX01 %FWM-2-STM_LOOP_DETECT: Loops detected in the network among ports Po3 and Po4 vlan 100 - Disabling dynamic learn notificationsfor 18...

WS-C3850-12X48U running 16.9.5I added all ports to the Application Visibility enabled column but I'm not seeing any AVC/NBAR data.Tried rebooting the switch but still no data.Does it take a while to show up or is there something wrong with my config?...

we get this message on regular basis, 5 - 10 times a day - no issues though  FEC: pagp_switch_port_up: no etherchnl config - related to PAgP protocol, whats the possible cause ?

Hello, In our DC we're utilizing VPC feature with pair of Nexus switches like N9K, N6K, N5K. Sometimes where's an urgency to reload one of the pair switches. The reason could be: upgrade, or device misbehavior (for example because of more than 13xx d...

Hi, I have a mini test setup that I am attempting to setup to support testing of IP phone provisioning. The setup consists of a IP Phone, Windows 2008 and Cisco 3560 POE switch. On the switch I have created three VLAN'sVLAN 100 Native - 10.252.100.0/...

Has there been a End-of-Sale, End-of-Life, or End-of-Support Announcement for the Nexus 9000 93180YC-EX, NXOS 9.3(3)? I am seeing that some of the Nexus 9K's have End-of-Sale and End-of-Life Announcements, I am wanting to confirm before more are boug...

Hi there,On my Nexus 3548 switch, I'm wanting to create a filtered SPAN session to port mirror only UDP data from one Ethernet port to another:switch(config)# ip access-list acl-udp-only switch(config-acl)# permit udp any any switch(config-acl)# exit...

Hi, We are setting up a new site office & as part of requirement  9200 Catalyst switches (4 members) are procured. Just want to know, is there any option to configured this 4 switches in stack without stack cable, as this switches will be placed in d...

I would like to connect (4) 10Gb SFP+ ports on Catalyst 6880 to Nexus 9300 40Gb QSFP to provide 40Gb bandwidth between 6800 and 9300.  Catalyst doesn't have 40Gb port so I am thinking of combining (4) 10Gb SFP+ to Nexus (1) 40Gb QSFP port. I have th...

Hi Is it possible to run Trustsec over a 3rd party VPLS  / Telco switching service.Have managed to find options with Macsec for setting authentication to happen in unicast to avoid the transit provider trying to process the eapol messages but cant se...

Hello Colleagues ,I have a cable QSFP-4X10G-AOC10M that i need to connect the 40G port to 3850-48xs and use 2 of the 10G ends , 1x10G to be connected to 3850-24xs and 1X10G to a controller 5520? datasheet stated that These breakout cables connect to ...

Hi all, I'd like to create a macro which changes the port mode to multi-auth and back to multi-domain only if doesn't have a certain interface description. My approach looks like follows: macro auto execute MULTI_AUTH_TEST { if [[ $LINKUP == YES ]]; ...

Hello, We just received our new Cisco 9600 swtiches and I tried to upgarde them the version 17.2.1. I followed the procedure from this Release Note Everything seems to work fine except from point number 5. Step 5 upgrade rom-monitor capsule golden...

My configuration is as follows, indicating the native vlan on each trunk interface:the native vlans are fully tagged across these trunks (except 1003). when I connect the cisco 9300 across the wireless mesh, I get a PVST vlan mismatch error at my rou...