About petehummon

petehummon · 03-15-2023

Hi everyone, I'm looking at a production router running Cisco IOS XR Software, Version 7.4.15. When I do a "show lldp neighbors" for a specific physical interface, I see this:RP/0/RP0/CPU0:RouterX#show lldp neighbors HundredGigE0/0/0/0Thu Feb 23 1...

petehummon · 04-22-2021

Hi Cisco folks,I’m a L3 guy who’s been asked to modify a couple of L2 devices. I need to connect some client hosts to two different switches, and I think I’m misunderstanding how my VLANs traverse the bundle-Ethernet topology.For the sake of simplici...

petehummon · 04-20-2021

Hi Cisco Folks,I’m a L3 guy who is struggling to understand a L2 configuration. I need a sanity check to make sure I understand how my devices are configured. I have two Cisco switches (running IOS XR 6.6.12) connected by a Bundle-Ethernet interface ...

petehummon · 04-14-2021

Hi Cisco people, I've just inherited a Cisco L2 device running IOS XR 6.6.12. This switch has a bundle connection to another identical switch. I see this subinterface on the switch-to-switch bundle connection in the running config: interface Bu...

petehummon · 02-19-2021

Hi everyone, My boss recently asked me to become the admin for a Cisco device running IOS XR 6.6.3, a version of code I’ve never worked with before. Unfortunately, the device’s previous admin abruptly left the company, and there is no history or doc...

petehummon · 03-16-2023

Yes, you are correct! I contacted the admin of the remote machine, and indeed, LLDP is disabled on the phy interface, enabled on the bundle. It looks weird, but makes sense in context... Thank you

petehummon · 04-26-2021

Awesome, thanks so much Giuseppe! It hadn't occurred to me that my traffic was being dropped at the remote side switch because I wasn't rewriting the VLAN tags on that end. That's a great lead, thank you!

petehummon · 04-20-2021

Excellent, thank you! THis is exactly what I needed to know. You've made my day.

petehummon · 04-20-2021

Thanks so much for writing, Giuseppe,So if I’m understanding you correctly, my customer traffic arrives at one of my two switches, tagged with VLAN 1234: (Forgive the over-simplified ASCII art):+-------------+-----------+--------------+ | SA/DA/Etype...

petehummon · 02-12-2021

@pieterh This is great, thank you. I don't know what the Ubuntu host of my box is, but you're right, I should ignore. Thank you for the link!

Member Since	‎02-12-2021 07:27 AM
Date Last Visited	‎04-17-2023 12:08 PM
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Cisco IOS XR :: "show lldp neighbors" shows [DISABLED] for bundled int

Forwarding L2 Traffic through Bundle-Ethernet interfaces

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Encapulation command -- What is a "second-dot1q" VLAN?

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Re: Cisco IOS XR :: "show lldp neighbors" shows [DISABLED] f

Re: Forwarding L2 Traffic through Bundle-Ethernet interfaces

Re: Question about Q-in-Q Configuration

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