Posted on October 2, 2020 9:31 am
 |  Asked by Farshid Hajizeinalabedin
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i have read Arista DCS-7050S-52 but i did not find anywhere that how many SVIs 7050S-52 can handle,

can anyone guide me how many SVIs these switches can handle without put control plane under pressure?

thank you.

Posted by Alexis Dacquay
Answered on October 6, 2020 4:15 pm

512 SVIs as a rough guideline.

Answered on November 18, 2020 10:09 am

in worst case you think 512SVI is enough?

if we use 1024 do we face any issue? because it has has simple bgp sessions and ip transit with no special setup

Posted by Alexis Dacquay
Answered on November 18, 2020 3:51 pm

The hardware is capable of 4000 SVI, but I think the 7050 was only tested up to 512.
Newer platforms are tested explicitly up to 4000 SVI and it's supported. So besides your switch, I wonder whether the software version might also impact how well it would scale beyond 512.

I suggest you simply test the SVI scale.

About BGP, it's a possible concern. How many sessions?
Even if each session is "simple", if you have 1000 of them then it can have a heavy load on the switch, especially if the peers are unreliable and flap a lot.

Can you detail your BGP scale ?


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