I am in a production environment with several vlan/wifi SSIDs. But my campus just went one-to-one with Chromebook devices and the production network that they are connected to, is the same vlan across the network. So we have 6 sites, all same Vlan. M...
Forum Posts
Well, I can't go home until I figure this one out, so I figured I'd reach out for help.I was tasked with bringing a production switch from one school district's network to another (districts merged, long story), so I was trying to maintain as much as...
I'm currently testing IOS 16.9 with IBNS2 network access config on a 9300-Series switch . It seems that the session-timeout transmitted from Radius (ISE 2.4) is not triggering any re-authentication of the connected device. I used/tested several way...
My switch Cisco N9K-C93108TC-EX fail to boot.It keep checking for iPXE and Autoboot failed.Please find the log in attached file. Please advise me the way to fix this error because my device just out of warranty for 3 months. Many thanks,
Hello,Several weeks I've found unusually high CPU usage on my cisco nexus 6001.It's up to 30% which leads to slow ssh cli, but console connection works normally.How to find the issue? CPU utilization for five seconds: 30%/3%; one minute: 31%; five mi...
Please anyone explain for me what is this command for ?thank you
Hi, I recently experienced some issue to establish 100G connectivity between Fortigate 6301F and Cisco Nexus 93180 switch. I tried Cisco Direct-Attached-Cable (DAC) as well as SR4 transceivers. Interface was in "notconnected" state. I found root caus...
Resolved! MAC learning & L3 issue
Hi there,Thanks for reading! I have a Mitel PBX box direct connected to a C9200L. The issue is the Mitel's mgmt IP is unreachable; doesn't ping-reply even from the switch. Vlan 200 exists on the switch. The trunk allows vlan 200. The switch is le...
I'm downloaded stencil Catalyst 9000 from Cisco. But I'm not found 9404R front and rear view.Could share stencil to me ? If you have I'm apologize for English skill.
Resolved! Cisco 9300 vlan question
Hi all! I hope this isn't a stupid question. Here goes: I created a "management" interface vlan on 9300 switch, gave it an IP address and assigned a gatewayThat vlan is temporarily assigned to port gi1/0/48gi1/0/48 is switchport trunk allowed vlan al...
Hi ,I have the 9200L-24P fix switch.I would like to know if i want to do stacking 9200L , do I need to buy STACK-T4-50CM ? or do we need to buy C9200L-STACK-KIT ?
1- Currently we have two switches with same IOS. Do we only require to connect both switches physically thru stack cable ? or we need to configure both switches too on IOS ? 2- Do both switches work as a single logical switch and load will be distrib...
Resolved! TCAM Utilization Issue
I have a Cisco WS-C3750G-24TS switch that is experiencing TCAM utilization issues, which in turn throttles the CPU, and the entire switch bogs down. I'm running dual IPv4/IPv6 and have already changed the SDM template to "desktop IPv4 and IPv6 routin...
Hello When I tried booted with the new IOS. Still it's stuck here, see below. Switch Ports Model SW Version SW Image------ ----- ----- ---------- ----------* 1 26 WS-C3560-24PS 15.0(1)SE3 C3560-IPBASEK9-M------ ----- ----- ---------- ----------------...
Hi All,Recently, the Cisco 9000 series switch is displaying logs below and has caused the interface to be suspended.The issue only affects up-links with SFP-10/25GBase-CSR modules which are patched via Multi-mode OM3 Fiber cabling with distances rang...
