Switching

Hi guys, I need a help with issue. Our customer is having 9200L as edge switches (varied models due to PoE demands), some stacked, mostly not. We are running Ansible automation and push commands every night around midnight. And there is one stack whi...

  I ran into an issue today with a 9300 stack running 17.12.4. As usual, I copied the IOS-XE image from USB to the local flash, but the install process consistently failed. None of the following variants worked:     install add file bootflas...

Hi All, I want to simulate the HA of C9400 using StackWise Virtual but I cant seem to find any software that I can use. I have GNS3 and CML. So the question, is C9400 can be simulated or not?

Hi,I am tshooting this. there is a port-channel with two physical ports configured on cisco core mode LACP active and the other side which is fortigate also configured with LACP active. was working fine and recently cisco keeps reporting one port ( s...

TL;DR: no real question, just WTF, Cisco?Ok, first off, WTF Cisco?We bought some 9606 chassis with some C9600X-SUP-2s and put a VRF on them to support our 2-pod ACI IPN. ACI requires Bidirectional PIM to support BUM traffic over the IPN. The switches...

I have unexpected behavior from connected field devices.  For redundancy, there are field devices that have two Ethernet ports and act as bridges.  One port will be to my 9300 switch, second port to another field device, and daisy chain maybe two-fiv...

I have a 9300x-12Y (R3) with 12 25g fiber ports and it has a C9300X-NM-8M network module with 8 multigig ports.I have a switch (SWITCHA) plugged into TE1/1/1 via copper which is trunked and working as normal.I plugged in another switch (SWITCHB) to f...

Recently need to upgrade C9407 Current version: 16.12.03aTarget version: 17.9.6a Supervisor 1 XL Module with 25G FW: 16.12.2rCPLD: 19032905 Two 9407 SVL units---Can't find the upgrade path in official documentation?Can we upgrade directly from 16.12....

I need to simulate some VoIP traffic, FTP traffic, and HTTP traffic at the same time in Cisco Packet Tracer, and I want to monitor the delay and jitter for these three types of communication. Is it possible to do this in Cisco Packet Tracer in any wa...

DSW1 is working as ACTIVE for VLAN 10 and 20. DSW2 is working as ACTIVE for VLAN 30 and 40. All PCs are able to ping their respective Gateway. PCs from VLAN 10 and 20 are able to ping each other. Similarly PCs from VLAN 30 and 40 are able to ping eac...

ello everyone, I'm getting falpping between port  Gi1/0/16 and Gi1/0/23. Here is my config on the those interface: s16-smc-mdf-3750#sh run int gi1/0/16Building configuration...Current configuration : 206 bytes!interface GigabitEthernet1/0/16descripti...

  We are experiencing an issue with a Cisco Catalyst C9300L-48P-4X where the device does not save the configuration. After running commands such as: Version:17.12.2r     write memory copy running-config startup-config   the configuration is n...