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Aggregating Links across switches between A Series IRF pairs

 
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GeorgeSchreck
Occasional Contributor

Aggregating Links across switches between A Series IRF pairs

Having trouble finding/understanding the info I can find....

 

When uplinking a pair of A Series configured as IRF to another pair of A Series configured as IRF with SFP and 1Gbe fiber can links be aggregated across the switches therby providing both link and switching redundancy?   I am specifically looking to use A5120-16G Si pairs against an A5500-24G EI pair.

  

Any clarification would be very helpful and much appreciated.....

 

George

 

 

4 REPLIES
Fredrik Lönnman
Honored Contributor

Re: Aggregating Links across switches between A Series IRF pairs

Yup thats possible. Since IRF supports whats called DLA, distributed link aggregation, member ports on a LAG can be on different member switches.

---
CCIE Service Provider
MASE Network Infrastructure [2011]
H3CSE
CCNP R&S

GeorgeSchreck
Occasional Contributor

Re: Aggregating Links across switches between A Series IRF pairs

Thank you for the response .  If I may pose a follow up qestion.... 

 

Will I still be able to route in this configuration?

 

 

 

 

Fredrik Lönnman
Honored Contributor
Solution

Re: Aggregating Links across switches between A Series IRF pairs

Yes you will.
---
CCIE Service Provider
MASE Network Infrastructure [2011]
H3CSE
CCNP R&S

GeorgeSchreck
Occasional Contributor

Re: Aggregating Links across switches between A Series IRF pairs

Thank you very much.  I thought I had reached this conclusion but confirmation before I spend my budget is really good to have.

 

Thank you again,

 

George