Switching

Hi, thereI've a couple of WS-C4507R+E switches (Version 03.08.07.E.152-4.E7) with installed standby supervisor engine.After attaching to the standby supervisor engine ("attach module 4", "session module 4") I'm getting cli authorization fails if I tr...

Hi, I need IOS ipbasek9 for WS-C2950-24 is there anyone know how can i get those ios. because i search in cisco download for WS-C2950-24 is not available. Thanks, Rocky

Dear Experts,I Need IOS for support both the command Switchport block musticast and Switchport block unicast in cisco WS-C2950-24So which IOS i have to upgrade to support both the above mention command. in cisco 2950-24 switch.Thanks in ADV,Vaib...

Hi All,I have a cisco C2950 and I've just did a firmware upgrade. I have downloaded the c2950-i6q4l2-tar.121-22.EA14.tar and I've installed the firmware accordingly. Everything went well, the Switch is booting with new version etc..etc..The problem I...

Hi team,We have an ongoing issue with our customer connected CCT bundle, and it is showing packet drops. We were able to isolate the issue to a single point and the issue is between Provider Edge switch to Cat 4500 cluster. We have connected a test r...

This is on a 4500X running 03.08.06.EThere doesn't seem to be a cookie option under the deny statements in an extended ip access-list. ip access-list extended FOO switch01(config-ext-nacl)#permit ip any object-group BLOCKED log ? WORD User d...

Hi.I am not a network expert, so it is possible that I don't use the correct terminology... Sorry for that.I am having a very weird issue with some of my devices (access control door control units) connected to a core switch, they get randomly discon...

Hi,  Can someone confirm that Cisco ISR 4331 router support ethernchannel, if yes then can we connect I SR Router 4331 with 2960-X stack switches (different member use for router connectivity).  Reference document link will be highly appreciated. 

All: I'm about to run a P.O.C. evaluation of MACSEC/TrustSec technology. For part of that, I'll want to validate the encryption of the payload inside the Layer2 Frame payload on the wire (and the details of the MACSEC 16 byte header) If I use a SPAN ...

Hi, i´m Juan from ArgentinaI was reading at very granular detail about STP, to my CCIE Written Cert, and i have one scenario where i don´t know how STP works.If i have one 2 L2 ring, STP converge in the midle of the ring,  one switch has his port in ...