Switching

Hello Cisco Community,currently I am trying to extend the configuration of two productive switches with a new vlan 190 and try to connect them via a new fiber cable. The firmware is quite old, but upgrading in the productive system would be not that ...

I have a need to create redundant links to other switches for a mesh topology; however, I know spanning tree would elect different interfaces on Root and Blocking ports, yet I am new trying to tweak STP.  What are some good design practices you have ...

Hi,Is there is way to use pipe command with "show module" to display only the first table?Or is there is other command can display only the first table?The target switches are 7k and 6k. Thank you. switch# show module Mod Ports Module-Type ...

Hi All I ve enabled snmp on asa to allow dmz server access the monitoring server.Its saying cant "UNKNOWN: Get https://10.56.130.114:18443/query/check_nscp_version: dial tcp 10.56.130.114:18443: connect: connection refused " But the rule is actually ...

If (2) 9300 switches are connected with only 1 data stack cable and both are up. Will connecting the 2nd stack ports cause the stack to reload? Stack Ring Speed : 160GStack Ring Configuration: HalfStack Ring Protocol : StackWise

I have 2 cisco 3850's that I am trying to put into a stack.  I have provisioned the 2 switches, set stack numbers on them, but the stack ports never come up, they are always in DOWN status.  What do I need to do??  I am used to 3750's and have no iss...

Hi, I have RSPAN configuration, but I see only broadcast/multicast traffic. I have this: PC (vlan 100) - SW1 -(trunk)- SW2 -(trunk)- SW3 -(trunk)- SW4 - (gi0/23) tcpdump SW1 - 2960 - c2960-lanbasek9-mz.122-50.SE5 SW2 - 2960 SW3 - 3750X SW4 - 2960 All...

I am just running up a new 3560-CX lab switch to play with and having some issues.Scenario:- VLAN 10 clients cant ping VLAN 20 clients and vise versa.- Both clients can be pinged from switch (confirming its not windows firewall)- Both clients can pin...

I want to pair 2 C9500-16X switches using SWV technology. However I don't want to use multiple links for SVL. This will save me two ports. Since almost all interfaces for the downlinks are having dual leg connection, I don't see the issue of keeping ...