Cisco N9K 93180YC FX3 – NXOS & EPLD Upgrade
NXOS Version Upgrade 1. Copy & Verify Image 2. Upgrade NXOS Version 2.1 Check Current Version & Bootvar Check boot variable. Check current version. 2.2 Check Upgrade Path N9K Upgrade...
Cisco N9k HSRP Config over vPC
Assume vPC is already configured as shown in the attached post. 1. Enable the Features 2. Configure HSRP 3. Check HSRP
Hard Reset Cisco Switch – C3850
Background The switch was in stack and it was dismantled. I was about to erase the config. However, no exec was configured under line con 0. I was not able...
C9300 Stack
Redundancy There are 2 redundancy stack mode. 1+1 Redundancy Prerequisites Enable 1+1 Mode By selecting the role, it enables the 1+1 stack mode. Device# switch 1 role activeDevice# switch 2...
Cisco N9k vPC Config
1. Topology and Device Info 2. vPC Config 2.1 Enable vPC Feature feature vpcN9K-01# show feature | in vpcvpc 1 enabled 2.2 Configure vPC Peer-Keepalive Link The management ports and...
Cisco C9500 StackWise Virtual
1. Prerequisites Both switches in the Cisco StackWise Virtual pair must be: 2. Configure StackWise Virtual Device List Platform C9500-24Y4C C9300-48UB Quantity 2 2 (Stacked) Version 17.06.04 17.09.04 License DNA...
Cisco C9500 Stuck in ROMMON Mode
Issue Description I have a pair of C9500 switches in StackWise Virtual mode. After I disable the Secure StackWise Virtual function, the switches are looped in the reboot and ended...
Cisco 2900 Series – Line 2 & Embedded-Service-Engine
Line 2 in 2900/3900 series router is used by ISM (Internal Service Module). A single ISM slot provides flexibility to integrate intelligent service modules on an internal slot within the chassis...