About Matthew Martin

Matthew Martin · 04-09-2025

Hello All,Sorry for the odd subject line. But it's hard to describe this in a quick 1 Sentence Title...Here's what's at play. We purchased a Layer-2 Azure ExpressRoute from Comcast that has one uplink port for us. We also have 2 "Socket" devices from...

Matthew Martin · 01-15-2025

Hello All,We've recently moved to a 3rd Party (*non-AnyConnect) Always-On VPN Cloud service. Issue only occurs while I have the VPN service enabled on my PC (*IT Dept can temporarily disable connection).In the location in question, we have a Cisco 95...

Matthew Martin · 12-18-2024

Hello All,A few months back I noticed my WSL Linux was requiring me to add this "ssh -o RequiredRSASize=1024 user@ipaddr" to some hosts that I ssh to, this included a few servers and some Cisco gear.I'm guessing my WSL had some update or openssh was ...

Matthew Martin · 10-18-2024

I was on our ISR4551-X and I noticed the ACL we use for securing the VTY lines wasn't being applied on "line vty 0 4"... #sho ver | inc IOS Cisco IOS XE Software, Version 16.12.07 Cisco IOS Software [Gibraltar], ISR Software (X86_64_LINUX_IOSD-UNIVER...

Matthew Martin · 09-03-2024

Hello All,In one of our locations we are running the following switch stack as shown below. We would like to remove one of the switches from the stack. I was originally thinking this was going to be a fairly simple process without causing any downtim...

Matthew Martin · 01-16-2025

Thanks Flavio!That did it. Very much appreciated!-Matt

Matthew Martin · 01-15-2025

Hey Flavio, thanks for the reply, much appreciated. About to walk out the door of the office, so I'll give this a shot first thing in the AM.That makes a lot of sense. I'll comment back after I've given this a try.Thanks Again,Matt

Matthew Martin · 12-18-2024

Thanks Rob!Got the new key generated and assigned to ssh. All is well now!4451X-HQ1#show ip ssh SSH Enabled - version 2.0 Authentication methods:publickey,keyboard-interactive,password ............... cut............. ............... Authentication t...

Matthew Martin · 10-18-2024

Yes, there VTY lines 5 15 already had the ACL applied. But it wasn't until applied to 0 4 when the issue started.Jonatan, yes... Looks like the management interface we're using has "vrf forwarding Mgmt-intf" configured on it.While writing this I adde...

Matthew Martin · 09-04-2024

So I'm pretty sure I understand the process of removing a switch from the stack now. Thanks all who replied!One other thing I'm curious about that I didn't see in any links I found. Once the switch is removed and the stack reloads and comes back up. ...

Member Since	‎03-30-2011 12:34 PM
Date Last Visited	‎03-13-2025 03:55 PM
Posts	865
Total Helpful Votes Received	127

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Getting a Layer-2 ExpressRoute Talking with Cisco in the Middle

Cannot Reach Switch that is Directly Connected

SSH to ISR Requires Key Size of 1024?

ACL on VTY Line Blocks All Connections

Removing a Switch from a Stack

Re: Cannot Reach Switch that is Directly Connected

Re: Cannot Reach Switch that is Directly Connected

Re: SSH to ISR Requires Key Size of 1024?

Re: ACL on VTY Line Blocks All Connections

Re: Removing a Switch from a Stack