Switching

Can anyone help me to clear this Blackbelt exam , finding it difficult to cross the line.

Trying to find if there good way to do this via CLI. Yes I can look at each individual interface but looking for additional and/or better ways.

Dear teams ;i typed the command  show ip dhcp snooping binding , so all interface display normal result except two interface display weird mac address as show below , could someone help me to understand why i get this mac address  AA0:B3:CC:FE:BB:BC ...

I have a couple of Catalyst 3750X switches (WS-C3750X-48T-S) that have recently been decommissioned and I am planning to reuse them for some lab work.The 1st one I booted up is in a boot loop, however I can boot to ROMMON.  The 2nd one boots fine.I t...

I may be missing it, but is there a way to set the Dynamic Arp Inspection limits on untrusted ports globally? As far as I can see it appears to only be on a per interface basis.

I am trying to configuration the FC feature on my Nexus 5672UP, everything seem okay but after zoneset activated, nothing happend, server and SAN controller did not see each other.My step:- Enable FCoE feature- Change unified port range to type FC- R...

Hi All, Trying to wrap my head around this high priority issue that accidentally happened. I thought it was pretty safe practice to add a new vlan to existing trunk port by using the 'switchport trunk allowed vlan add <vlan>' command, however this br...

Hello,I've two Nexus 93180YC-EX Switches, one with NXOS version 9.2(2) and other one with: NXOS version 7.0(3)I7(8). Planning to update both straight to 9.3(8). Everything is quite clear, but i got some questions about EPLD upgrade. Especially the ke...

Hello, Can we track or check reach ability of a public IP on Cisco ftd instead of router interface ?

Hello , We have a Switch ( 2 stack)  and Firewall is directly connected to one of the Gig ports . We have below VLAN interfaces configured on the switch  interface Vlan10description managementip address 172.23.7.1 255.255.255.224ip helper-address 172...

Hello community.This is my first post and I hope someone may be able to assist me.  I have a Cisco SG 200-26P switch which is in a domestic setting.  The switch is located in a cabinet in my garage and is therefore connected via a ethernet over main ...

cisco switch. WS-C2960X-24TDL-VO6SERIAL:F0C2349L0M0

Hello Engineers,  I am arguing with psvt+ protocol. Our company using two different switch (Cisco, ExtremeNetworks) and most of switches are Cisco's.Switches are enabled pvst as a default for the Cisco switches. Yesterday there was a loop issue, I no...