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Hello, I am planning to replace a pair of Nexus switches model C9372PX with a pair of C93180YC-EX We have them deployed in a vPC domain each has a number of FEX modules, all of which are model N2K-C2348TQ-10GE. We do not plan to change the FEX module...
Hello, We have come across an interesting problem with a network loop and would appreciate any suggestions in working back to the root cause of the problem. In summary we have a switch that is forwarding traffic on VLANs regardless of the VLANs appli...
Hello,I have a 6509 switch that once rebooted goes to the rommon prompt and requires me to intervene in order to get the switch to boot.As far as I can see the boot command is OK and the boot variable points towards a file that exists in the bootflas...
About a month ago we migrated out CiscoWorks server to VMware. Ever since we have had a significant amount of broadcast traffic coming from the server. We have noticed this as it is stopped by our firewall. This traffic is broadcast on UDP port 44342...
Hello,We had a few calls with TAC of which the outcome was that a no-downtime cutover wasn't possible as the old and new 9k's have incompatible asics so can not form a vPC domain.In the end we tackled the change like this:Bench-set up the new Nexus 9...
Hello Marce1000, We are working with our support partner and Cisco TAC on this however I would also like to open it up to the community as good though TAC are, there experience seems to be routed in the lab and not the real world. I think there is mo...
Hi Charles, On a little further reading around this Issue I'm not convinced that the FlexStack bug is the cause of our issue as we are using StackWise with the 3750x switches. I'w wondering if the underlying stacking technology is the same or not. Ag...
Thanks Charles, Unfortunately I can't vie specific details of the bug. It looks like it has been resolved in later versions of the IOS though. I welcome comments on which versions are the best, in terms of stability, for a sizeable LAN environment. ...
