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9000V with Simple Ring - Dual Host configuration

When using Cisco 9000V's in a Simple Ring Topology with Dual ASR9k Hosts, are there any implications if the ASR9k's are running two different versions of IOS-XR even if only for a short period of time?

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Cisco Employee

Since 5.1.1 is the first

Since 5.1.1 is the first release which allows simple ring yes.

Now when 5.1.2 comes out it shouldn't be a problem, but this is not something I have tested.

 

The difference in 5.1.1 and earlier releases is the ability to configure L2 fabric, the underlying architecture is different, and we have an updated satellite control protocol. All of these allow for topologies such as simple ring.

 

In the future with newer topologies if the underlying architecture changes enough, or the control protocol goes through a major revision then it is possible you would see an issue, but I don't see it being an issue with the next few releases.

 

HTH,

Sam

 

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