Tuesday, August 23, 2011

Trunking an Extreme 450a to a Cisco 3750 via LACP

I've seen several attempts of this elsewhere on the 'net but most had a few errors that caused issues. Here's the approach that worked for me:

Extreme side: Assuming ports being assigned are not untagged on any VLANs or in use by anything else

Assuming port 5,6,7,8:

Enable sharing 5 grouping 5,6,7,8 lacp

Add to VLANS we need to route:

configure VLANname1 add ports 5 tagged
configure VLANname2 add ports 5 tagged

Cisco commands:

Assuming 2x core switches chained, ports 37 and 38 each. 

interface range g1/0/37-38,g2/0/37-38
description temp connection to extreme core
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 48 mode active

interface port-channel48
description temp connection to extreme core
switchport trunk encapsulation dot1q
switchport mode trunk

3/22/12 update: We've finally retired the old Extreme switches. I am happy to say that this LACP trunk config performed perfectly for nearly 5 months to tie a new Cisco infrastructure to an old Extreme one. 

Sunday, January 30, 2011

I should post before a year has passed.

Being this is a "free time" blog, this exemplifies the last year quite well. This last year has been one of the most challenging I can remember. A couple quick updates to keep it less than a year old:

- I'm working with MSDeploy to build a continuous integration model. I aspire to post my findings here. It has been exceptionally promising thus far.
- Baby #2 is due within the next few weeks. I'm very excited and a bit nervous at the same time.
- Amplifier released their new (pseudo?) concept album The Octopus. Initially I didn't care for it as much as I had hoped, but now that I've given it about 3 listens it's really sticking in my brain.