Anyone using Arista 7280R as edge router?

Peter Kranz pkranz at unwiredltd.com
Thu Jun 1 17:50:04 UTC 2017


> Arista’s specs say the 7500R / 7280R can handle 1M ipv4+ipv6 routes in hardware (FIB):

I'm using these as edge routers facing multiple peering networks and several full table feeds. No problems so far, very cost effective platform in my mind.

Here is what it looks like with about 100 peers and several full table feeds:

Forwarding Resources Usage

Table    Feature     Chip         Used  Used      Free   Committed   Best Case       High 
                               Entries   (%)   Entries     Entries         Max  Watermark 
                                                                       Entries            
-------- ----------- --------- -------- ----- --------- ----------- ----------- --------- 
LEM                             559529   71%    226903           0      786432     560163 
LEM      MAC                       242    0%    226903           0      786432        290 
Routing  Resource1                 874   42%      1174           0        2048        880 
Routing  Resource2                 543   53%       481           0        1024        548 
Routing  Resource3               16038   48%     16730           0       32768      16060 
Routing  V4Hosts                     0    0%     81920           0       81920          0 
Routing  V4Routes               541905   70%    226903           0      786432     542491 
Routing  V6Hosts                     0    0%     81920           0       81920          0 
Routing  V6Routes                17382    7%    226903           0      786432      17481 



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