Switching

I know it is a very very old devices we see a very very weird thing in the switch , we try to connect a device to one the of the interface On the endpoint device side, I can see the interface is up, no issues, but the switch side shows downwe admin-d...

Quick question. I am going to be prepping a 9500 stack and was curious if I did the initial config using some 100G dac cables to build the svl link I have in office but then the tech installing the switch used 40G qsfps for it, would that cause any i...

Hi AllWe are having some issues wherby when we plug in a 10G SFP int our 9200L-48P-4X switch we get severe performance loss, if we put in a 1G SFP the connection is fine.We have tried multiple SFPs, different ports, different fibers, software upgrade...

We've recently purchased to N9K-C93180YC-FX systems, along with 10gb rj45 transceivers (SFP-10G-T-X) and a hand full of LC-fiber 10 gb (SFP10G-SR++) transceivers.   Each component was approved to work with a minimum of NXOS 9.3.5 by Ciscos Matrix com...

Last reload reason : Critical process sif_mgr fault on rp_0_0 (rc=143) I got this error message after a switch stack rebooted yersterday. Any idea what could cause this?Switch: Cisco 9200L 48P 4xFirmware: 17.12.04

Hello, I have a Cisco CBS350-48T-4X switch stack running software version Version: 3.2.1.1.  A vulnerability scan was recently run on our network and identified the below vulnerabilities.  Does anyone know how to remediate them?* SSL Self-Signed Cert...

Hi Allwe have a pair of C9600 configured with virtual-stacking modehad recently an issue with a new uplink that keeps getting error disable on the C9600 switch side (only on member 2)Mar 7 10:39:30 MST: %UDLD-4-UDLD_PORT_DISABLED: UDLD disabled inter...

Good day to all. I encountered a problem that after turning on the Cisco 3560 switch, all the indicators on the Internet ports start blinking. The console displays this error. What should I do in this situation? Can I solve this problem myself?     !...

How to set time in CISCO IE 4010I dont see clock set commandSW01(config)#clock ?calendar-valid Calendar time is authoritativesummer-time Configure summer (daylight savings) timetimezone Configure time zone

Hello,I am wondering, why ISR4331 send ntp packes with src address 0.0.0.0, though loopback interface is used as src:ntp source Loopback0ntp access-group peer 20ntp server 10.0.0.1ntp server 10.0.0.2debugging:006301: .Mar 6 21:22:29.247: NTP: ntpio_s...