%PLATFORM_PM-6-MODULE_INSERTED: SFP module inserted with interface name Twe1/0/23%PLATFORM_PM-6-DIFFERENT_MODULE_INSERTED: Warning: SFP module inserted in to the interface Twe1/0/23 differs from the previously inserted one. The port's fec configurati...
Forum Posts
Have you ever experienced VLAN issues? I'm facing an issue where my laptop should be able to ping all VLANs, but it can only ping the VLAN it's assigned to.Here's what I encountered:1. I enabled IP routing on the C9500, but when I run the "show run" ...
greetings guys,sorry for raising this kind of old-school question.It seems it is usually said that whenever there is a physic loop, a spanning tree (whether 802.1d or 802.1w or whatever, as long as they are not disabled) will take effect and block so...
Hello,It's possible to identify QoS traffic based on DSCP values. For example, for the EF class, by using the command "match ip dscp ef". But, how is the correct DSCP value set for specific traffic?I know that with some applications, the user can hav...
anyone to help with my switch, logging the following logs and rebooting automatically.before it reboots the syst and rps lights light amber and then the fan off the reboots!#model: CS-2960x-48FPS-L
I have a Cisco C9500-24Y4C that I setup a few days ago by creating a user and adding some vlans. I unplugged the switch and moved it to a separate desk to do further setup and testing with other devices. When I plugged it in the switch does not allow...
Hi and thanks in advance for the guidance. Im tasked with designing a IPv4 and IPv6 addressing scheme for a small network (2 host PC's 3 routers with loopback interfaces and two switches) I note in the Cisco IP Addressing Guide it makes reference to ...
I'm looking for the best approach to configure VLAN segmentation on a core switch where some VLANs can communicate with each other while others are restricted. Here's the scenario with 5 VLANs:VLAN 10: Can communicate with VLAN 20 and VLAN 30 only.VL...
I have upgraded cisco catalyst 9300 switch ios upgrade from 16.6 to 17.12.4. after that I have load existing configuration via tftp after that I have save configuration via wr mem and reload it. But after reload when Switch comes again up there is no...
Hello,I am looking for a list that will show both Model names to Part number on any Cisco SFPs.Examples:Model name “SFP-10G-SR-S” = Part Number 10-3105-01Model name “SFP-10G-SR” = Part Number 10-2415-03Model name “SFP-GE-T EXT” = Part Number 30-1421-...
When you have a port set up as an access port connected to another switch using an access port, which of the behaviors below is correct? Upon ingress to the switch, the port tags the frame based on the vlan assignment. Upon egress, the port tags the...
I have a C9300-48UXM originally running 17.6.5 now 17.9.4a (symptom present on both code versions) on the bench, is it normal for the port status LEDs to flash continuously (green) even when there is next to no traffic on the port?A single device con...
Can anyone suggest the correct upgrade path for a 4500X VSS going from 3.6.7 to 3.11.xe? Can't seem to find any documentation on it. Is it safe to assume I can go straight from 3.6.7 to 3.11.xe?
Dear SirsI would like to switch off and back on again the POE function on one channel of my Cisco 2960 Catalyst switch.I have a number of Latte Panda PCs attached and sometimes one may need to be powered down and powered up again without switching th...
Hi!How to clear MAC-Address on a specific switch's portYour help is very much appreciated.
