Switching

We currently have our Cisco equipment synced to our NTP server using MD5 authentication, which works well. We have a directive from our cybersecurity team to upgrade to one of the SHA authentication mechanisms and facing a problem with that.Now, both...

Have a stack of 9300s running XE v17.12.03.  The system-wide MTU setting is 1500.  We have 4 VMware ESXi hosts connected and trying to set jumbo frames for the vMotion links for the hosts.  Several interfaces are set with "mtu 9198", while others are...

Hi, I've searched and searched, but can't find the command to light up an individual switch in a stack for identification. I could have sworn I have used this before...or maybe it was a dream....I don't know now. This would come in handy when dealin...

Hello Community.I have a very odd problem in my network. There is a N5K-C56128P that I have several private-vlans on it. Now one of these Pimary-VLANS has 269 Community-VLANS on it that are working properly and see their gateway on firewall which is ...

Good evening all, Today I have continuously received logs related to " %PLATFORM_MATM-4-QUEUE_OVERLIMIT: MATM dropped learn cache batch messages as queue limit has reached." in my Cisco catalyst 9500 core L3 switch. By this my network is random block...

We have several Cisco 2960X switches, and we would like to more closely monitor temperature on the units.  Is there a simple way to change the temperature output to Fahrenheit instead of displaying it in Celsius? 

So, For a long time i have used:login block-for 900 attempts 3 within 120login on-failure loglogin on-success logThis logs to syslog fine and can be dumped to security software and reports ran to search string when needed just fine. Lately, i noticed...

I am trying to setup a Guest VLAN and my dhcp server is on a different vlan.This guest vlan is internet only access, so I am denying all private address and ssh to SVI of vlan 901. So far everything works fine except for dhcp assignmentThis is the ex...

hello team,currently have device C9606R with Cisco IOS XE Software, Version 17.09.06. and I have connected with Fortigate by SFP-10GBase-SR" When pinging between both equipmentshow me the following message.%SW_DAI-4-DHCP_SNOOPING_DENY: 1 Invalid ARPs...

Hello everyone, I have a 4 stack of 9300 switches that were already in place at a company we recently took over. After applying our configurations, I noticed that under the >show environment power all< command, the bottom 2 switches in the stack are ...

I've gone through several discussions on this board of different folks trying to reinstall or repair a corrupted ios. I'm effectively in the same boat but can't seem to get passed my issue. I've tried loading in ROMMON but can't seem to get it there....