Connecting Extreme and Cisco Networks

25th August 2017 by Martin Flammia

Filed under Extreme Networks EXOS, Featured Article

Last modified 30th September 2017

Recently had a installation where an Extreme Networks was replacing a Cisco, and the transition required both networks to work in parrallel and therefor be connected. Typically I would do this via OSPF, but in this scenario it wasn’t an option – so the answer come in the form of multiple VRRP based on the conversation on the Extreme Networks Hub here The process in …


21st April 2016 by Martin Flammia

Filed under Extreme Networks Configuration, Extreme Networks EXOS

Last modified 25th August 2017

Here are the some shortcuts to GTAC articles: https://gtacknowledge.extremenetworks.com/articles/How_To/How-to-configure-MLAG-in-Extreme-switches https://gtacknowledge.extremenetworks.com/articles/How_To/Sample-configuration-for-two-tier-MLAG https://gtacknowledge.extremenetworks.com/articles/How_To/How-to-configure-VRRP-active-active-on-MLAG-Peers SWITCH 1 First off decide on ports to be used for the ISC, and if more than one configure them as a lag:

Then create a /30 (recommended) Vlan / Subnet for the ISC link, and put the proposed ISC ports into the Vlan, tagged:

Configure IP address for local ISC link:

Configure …


29th December 2015 by Martin Flammia

Filed under Extreme Networks EXOS

Last modified 4th January 2016

Below is an example configuration that includes 4 participating routers, with 2 VRID’s. VRRP default is 100. If the VRRP router is the IP address owner (which means that the VRRP router IP address matches the VRRP VLAN IP address), the priority is 255 and cannot be changed Highest priority makes the router the IP address owner In the case of VRID 1, this will …