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I recently migrated from a Cat6k Sup720 running s72033-advipservicesk9_wan-mz.122-33.SXI3.bin to a Sup2T running s2t54-adventerprisek9-mz.SPA.150-1.SY1.bin. The config is basically the same, but on the new Sup2T I'm getting 7 Tunnel interfaces which ...

michacox by Level 1
  • 4 replies
  • 0 Helpful votes

Is there any way to block the duplex mismatch errors from CDP from being logged? I have a cisco switch which connects to a non-cisco switch which then connects to a number of devices including a Cisco ATA that does not support full duplex. On the c...

pthaynes by Level 1
  • 4 replies
  • 0 Helpful votes

Hello! I am experiencing slow RSTP convergence times between 27-30 seconds, instead of the 2-3 seconds. I have a 4 node setup which can be seen in the attached picture. 2* Cisco 9500 joined over a 20GB Stackwise Virtual Link with 2* Catalyst 9000 com...

I encountered a problem and managed to fix it but I do not understand how it worked. I had replaced an older switch (2960) to a 3650. The old switch had it's port 24 (fiber) configured in trunk mode connected to a 3650 switch port gi1/1/3. After repl...

HRahman by Level 1
  • 1 replies
  • 0 Helpful votes

Resolved! Packet tracer

Hello all, I hope someone can assist me with my problem.I've created a network in Packet tracer where all (6 departments) see each other + server + router + printers.The requirement is I create a network where only PCs within each department see each...

azux14 by Level 1
  • 5 replies
  • 0 Helpful votes

A customer of ours has a flat Layer 2 network that we would like to make redundant in case there is a fiber cut, or an equipment failure.  Since it is a Layer 2 network, I was thinking of using a HSRP protocol to provide redundancy to the network in ...

help by Level 1
  • 5 replies
  • 0 Helpful votes

Hi AllCan anyone tell me if the Cisco 9410 supports Stackwise virtual?We are looking at replacing our 6509 running VSS so we need this feature, from what I have read only the smaller chassis are supportedMany thanksCarl

Hai we need stack wise virtual feature for a big project with Cisco 9410 and sup1 at present I couldn't see any IOS  version support that feature, but newer ones with 9404 and 9407 are supported ,any one knew this feature will come soon

Kevin100 by Level 1
  • 7 replies
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When i trying to boot my cisco 3650 IOS (CAT3K_CAA-HBOOT-M) Version 1.2The switch send me this message: Stack Adapter Auth Fail : SIF_SERDES_CABLE_EASTBOUNDDec 13 16:42:17 %STACKMGR-1-UNKNOWN_STACK_ADAPTER: Unknown stack adapter inserted on stack por...