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
testing tls1.3 for http and tacacs services on 9300-48U with 17.15.3 http is fine but I don't see tls option under tacacs server config switch(config-server-tacacs)#t?timeout any advice is appreciated, I have my root and signed certificate associated...
Hello Cisco Community!One virtual gateway. Zero downtime. That’s the power of First Hop Redundancy Protocols (FHRP)!In this week’s session, I break down HSRP, VRRP, and GLBP, showing how they keep your network’s default gateway always available, prov...
Dear All,I need your help to understand, if the C9300-NM-8X uplinks module has some limitation about the number of active ports.The C9300-NM-8X is mounted on a C9300-48P, and now has the following port usage status:Te1/1/1 connected trunk full 1000 1...
Please wait while the system restarts.Initializing Hardware...System Bootstrap, Version 17.8.1r[FC2], RELEASE SOFTWARE (P)Compiled Wed 01/26/2022 11:22:44.16 by relCurrent ROMMON image : PrimaryLast reset cause : SoftwareReloadC9300L-48T-4X platform ...
Hi all — I have a design question + troubleshooting help request.Topology / environment2 x Nexus 93180 switches in a vPC pair (acting as distribution).6 x Nexus 2000 FEX units connected to the 9Ks.Servers are connected to the FEX host ports(no aggrig...
Hello Team,I have 2 Cisco C9300-48T in a stack running IOS 17.12.4. and connect to a pair of Core Switches in Etherchannel but was facing some weird situation, suddenly switch reporting LACP suspended. I removed the interface from etherchannel and ke...
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?
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...
Resolved! CISCO core and Fortigate LACP issue
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...
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 everyone! how are they?I tell you that today I apparently have a fatal error on my Cisco 3560. It tells me "Mainboard hardware authentication failed. Abort init..."but I don't understand how it happened. and i have 4 this equipments working To ...
Resolved! Unable to install IOS onto 3850
Hello, Recently I attempted to upgrade the IOS on some 3850 that I received. Somehow the process went wrong and started throwing Mainboard hardware authentication failed. Abort init ... Right after loading the kernel. Eventually using the emergenc...
I just received 2 brand new C9200CX switches to put to use at my business. Unlike the other switches I have on property this one has the micro USB port for the serial connection. I have downloaded and installed the USB driver from Cisco. I am unable ...
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...
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...
