Yes, it’s been a while since I did much of any postings, but I’ve been both very busy at work and out of state on vacation. Things are starting to calm down a bit now, so back to some network related postings…

I worked late last night upgrading a batch of out-dated Cisco 3750 switches (first generation), installing a stack of new 3650 switches. I have to admit, these switches are nice! But like most all of Cisco’s stuff, they don’t play well with other vendors products in terms of interface auto-negotiation. The existing switches were all 10/100 interfaces, and we had a Riverbed device installed between the switches and router, so all of the related interfaces were manually configured for 100 Mb, full duplex.

Since the new switches were all gig, and the router was too, I reconfigured them for auto/auto for both speed and duplex.  But I needed to configured the Riverbed device too.  (When I first brought everything online, the Cisco devices came up 100/half….not good at all.)

Since the GUI interface on the Riverbed does not handle interface configurations very well, I connected to the device via SSH and configured the interfaces using the command line…which as we all know is the best way to do anything!! As you can see, interface wan0_0 is configured for 100/full…

Command showing current settings for wan0_0 interface

To change the configuration is easy…here are some of the options…

Interface configuration options

And here I changed both wan0_0 and lan0_0 interfaces for auto/auto operation…

Setting interfaces to auto/auto

It was that simple. I then unplugged both cables to my router and switch, reconnected them, and all interfaces came up 1000Mb (gig) and full duplex.

Working with Riverbed on the command line is rather easy, and you will find many of the commands are similar to Cisco.