Switching

I installed two C1000-8T-2G-L and stacked them using SFPs from the front. Each time the two units are switched off, when powered back up, the second device becomes unknown on the stack. H/W CurrentSwitch# Role Mac Address          Priority    Version...

Hi FreindsvPC Failure Scenariowhat happens to traffic if 1st vPC peer-link goes down and after sometimes 2nd vPC Keep-alive went downThanks

I wanted to bring to your attention an issue we've been experiencing with our current setup. At the moment, our system is running version 17.3.5, and we've encountered intermittent reboots specifically on the standby switch within our 9200PXG stack. ...

Hi all,I am working on a crazy thing since 2 days, we are trying to setup a new configuration with 2960S as access switchs and a 4507 as a core switch.I want to protect the management IP VLAN of the swich using vrf on the 4507so we : SHUT VLAN 1 on e...

I have multiple sg500x switches in a stack, when I go to backup the config, I am only able to backup the config of the master. How can I target/define a different switch in the stack in order to backup that units startup-config, re. that units port c...

Hi all,i have done an upgrade to the NXOS version 5.1(3)N2(1) on a nexus 5000 and have the following message every 5-6 minutes:%AUTHPRIV-5-SYSTEM_MSG:     root : TTY=console ; PWD=/var/sysmgr/sysmgr-subproc ; USER=root ; COMMAND=/sbin/sysctl -q -w vm...

Hi Freinds Does vPC Support only L2 OR in the newest NX-OS release, they added the Capabalite of routing over vPCAFAK , vPC differs from the Normal PC , is that PC support L2/L3 while vPC supports only L2 of course besides vPC Span multiple  Upstream...

Hello guys,Just need help.I am going to upgrade a cisco catalyst 4507R+e SUP 7e device. It is currently at version  03.06.05.E and need to upgrade to the latest version recommended by cisco which is 3.11.4E. Just would like to ask if this is going to...

We have two switches 2960X series and C1000 8 port series switchC1000 port connect as dot1x supplicant to C2960X switch port act as authenticatorDot1x authentication happening correctly and traffic also passing through. however on C1000 supplication ...

hi all,got a switch to remove from an existing stack and want to add to new stack, i want to really do it with no downtime as both stacks are being usedso to remove switch from stack i guess i dopower down switchremove stackwise cables, got two diffe...