Since the Flex Fabric switches are a little bit of an unloved child I provide some more information on their maintenance. Todays Version i 7.10. in the release 2432 Patch 06, meaning that it only added one patchlevel in the last year.
And allthough I plan on retiring my switches, I want to do one last firmware update and with that share how to do it:
First if all do housekeeping. Since flash memory for filesystem access, which you will need for the upgrade procedure, is rare, Continue reading →
Some time ago, I posted on the configuration of an IRF independent resilient fabric with the HPEFlex Fabric FF5700 datacenter switches. During the operation some things arose to my attention which either have been corrected or perhaps not necessarily clear from the first place.
1.) Activate MAD
There needs to be a mechanism to detect multiple actives. This could be considered something like a quorum for the switch-cluster, intended to prohibit split brains. In my case I preferred to do so with LACP. This brings MAD (Multiple Active Detection) to the layer two and is rather simple. It should be configured on an appropriate Bridge Aggregation Group – resulting in an configuration like:
port link-type trunk
port trunk permit vlan all
link-aggregation mode dynamic
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