Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
Just a simple question why it's recommended to use both Portfast and BPDU Guard together apart from the very fact that both should be used in access switches ports connecting to end users?? Like BPDU Guard will still work if I don't have portfast con...
Are there any configuration guides available for this feature for Catalyst 9300/9300x? We would like to configure and test for an upcoming design.
Is there a way to setup auto config rollback on NEXUS 5k / 7K, where if I make a config mistake and lost access to the device being configured, after X minutes, if I don't intervene, the device auto undo the changes. This has been available on IOS f...
switch reboot after get log How to fix this problem ?2147483644 2024-Feb-09 00:13:49 Emergency %DNS_CLIENT-F-SRCADDRFAIL: Result is 2. Failed to identify address for specified name 'time-c.timefreq.bldrdoc.gov.', requested addr type 1. ***** FATAL ...
Hello,Currently I have a stacked 9300 with 2 members (master & slave)I want to remove the slave from the stack to make it, its own standalone switch BUT I want to keep its current configurationWhat would the steps be for this to happen?In my head the...
hello, recently I have deployed multiple Catalyst 9300 Switches (V17.09.06a). I am not able to configure any new VLAN on one of the switch and I am getting below error. %Error Existing Config-VLAN mode 47: NV Storage Failure how can I fix this iss...
Resolved! C887VA-M-K9 V02 has a fan inside?
Hello, my iOS on C887VA-M-K9 is complaining about heat issues on boot up with VDSL 2 board. I'm wondering if I have an issue of thermal paste, since internally there is none visible clues fan ever existed. I bought this unit used to replace my C887M-...
Hi Team, We need to purchase 3*Nos cisco switch for campus (access switches ) which is best and mid prize range .
Hello everyone.What's your experience with xFSU upgrades? I know this feature is there for a while, but I don't know anyone that actually used in production.We are planning to upgrade a stack of C9300-48UXM, from 17.12.03 to 17.12.06.We can do it in ...
I have a PLC/Machine network that is internal only and Internet connectivity is blocked completely. This presents an issue or a question at least. On new versions of Cisco IOS, the Call Home feature is enabled by default and cannot be disabled. On my...
So, I have been working on UDLD practical. Initially I performed it on EVE-NG (iol switches) where when I put the MAC ACL on an stp Alternate Port it didn't work but for the Designated Port it works absolutely fine. I don't know why it didn't work on...
Hello!We have encountered an issue. We are running Cisco Catalyst 3750 switches configured in a stack, with IOS version 15.0(2)SE. The following message appears in the logs:000399: Jan 7 15:00:47.267 AQTT: %SYS-1-CPURISINGTHRESHOLD: Threshold: Total ...
I have multiple setups with these network switches. At least on two different setups, we have connection issues with one of the ports (port #24). We verified that the port configuration has changed and the reminder of the ports configurations remain ...
We are planning to replace two Cisco Catalyst C9300 switches that are currently configured with HSRP.Could you please recommend the best approach to perform the replacement while minimizing service downtime?Any detailed guidance or best practices wou...
I've not dealt with management ports very often (most switches I manage use SVi's) so I don't know if I'm doing something stupid or misunderstanding the config, I'd appreciate some guidance since I'm not making much progress myself.I have upgraded a ...
