Switching

I have a 3750 that was once part of a stack of 3750's. I removed it from the stack, erased flash and config, re-imaged, etc. Switch still boots as stack member #2, and of course all ports are gi2/0/x. Where is the stack ID set or reset, in rommon? ...

We got the dead member in C3850 stack switchesBefore add a new switch need to be done:>>Upgrade or downgrade the switch with same version of stack members.>>Check the license , it should be same to connect the stack.>>Check the config-value , it shou...

I just wanted to check that in Malaysia, the AIR-CT5508-K9 wireless controller is being replaced by the C9800-L-F-K9 model. Can the power cord from the 5508 controller be used with the 9800 controller?  At the same Malaysia location, we are also repl...

Hi GuysWhen we talk about industrial ethernet, what is the difference between that and normal ethernet? also what would the difference be between a normal cat9k switch vs an industrial ethernet cisco switch with regards to the switching side not the ...

Hello Community!We have the existing stack where one member (#4) is dead and have to be replacedMy question is:When the new switch will be added the licensees on existing stack will be mismatchHow to upgrade the new member switch licensees for the sa...

Hello, This question builds off of the following post:https://community.cisco.com/t5/switching/inconsitent-inferior-pvst-bpdu-received-on-vlan-10/td-p/4852991Would moving the MST switch (sw-50) to PVST to match (SW-03) resolve the issues in the linke...

Hello Cisco Community!We got the problem with Cisco WS-C3850-48P  member switch #4 in stack need to be replaced (it is faulty)To replace the member switch I'll do the steps below:Run this command on the existing stack and new member as well:software ...

Hello,we have the problem that we switched from SG300-10MPP to CBS350-8P-2G. So far so nice but the PoE power budget is now calculated in real time and is blocked. Before we could power our access points easily because the real power amount was count...

Hi All, What command can we use to check the type of SFP inserted in a switch or Router? I needed to check if the blade in my 4500 switch is populated with any SFPs? Will the command be applicable for other series of Catalyst switches as well?Appreci...

Hello. We have setup a new 9200 switch recently and have connected, using SFP/ethernet transceivers, two firewalls (1 FW into each stack member). One of the firewalls has now disconnected and the interface has the status of down/down (not connect). L...