About Jon Marshall

Jon Marshall · 08-21-2023

Quick question - need to deploy a 3750G stack (two switches) and only have one stack cable at the moment. I know it will work (without redundancy) but when I add the second cable later is there any downtime or does the stack just see the alternate ...

Jon Marshall · 07-10-2023

Quick question as it has been a while so out of practice Can I connect a server with a vPC directly to a pair of Nexus C5548UP switches ie. don't need a FEX or anything in between ? Also any gotchas I need to be aware of ? Many thanks

Jon Marshall · 10-26-2022

This is really more of a pfSense question but there are some very bright people on here so I thought I'd post for a few suggestions. We have a failover pair of Dell 610s, each server has inbuilt 4 x 1Gbps NIC (Broadcom - bce) and we have - bce0 - WA...

Jon Marshall · 09-30-2021

This is following on from - https://community.cisco.com/t5/switching/windows-2016-connectivity-issue/m-p/4477088#M511617 Ran some SPAN tests on the 3750 stack and it looks like it may be an issue with the switches but the behaviour is still no...

Jon Marshall · 09-29-2021

Pretty sure this is a server issue but posting here as there is a lot of knowledge on these forums. 3 hypervisors (Hyper-V - server 2016) with a backend storage setup. Each hypervisor has a teamed pair of NICs on frontend with a vswitch and then ...

Jon Marshall · 08-21-2023

Hi Joe As I am not actually breaking the connection, just adding the second cable should be fine as Leo says. Thanks Jon

Jon Marshall · 08-21-2023

Leo Cheers, thought that might be case just wanted to confirm. Jon

Jon Marshall · 07-14-2023

Apologies, just ignore that, I thought you were trying to do PBR. Jon

Jon Marshall · 07-14-2023

1) the acl has a deny ip any any before the permit lines so it will never get to the permit lines 2) the route map is not applied to the interface Jon

Jon Marshall · 07-13-2023

If you want to block ping from 192.168.103.x to 192.168.101.x and 192.168.102.x add these lines at the top of your 103 acl - deny icmp any 192.168.101.x echo deny icmp any 192.168.102.x echo as I said previously your configuration is correct so som...

Member Since	‎09-22-2003 11:19 PM
Date Last Visited	‎08-28-2023 04:22 AM
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3750 stack cable

vPC connectivity sanity check

PPS and packet loss

3750 stack issues

Windows 2016 connectivity issue

Re: 3750 stack cable

Re: 3750 stack cable

Re: Route-Map Internet Access on ISR-4331

Re: Route-Map Internet Access on ISR-4331

Re: ACLs