Hardware options

Help on selecting hardware that fits requirements of campus networks

Arista dist switch options

All Arista switches offers EVPN+VXLAN feature set with the correct license

ModelDownlinksUplinksACL EntriesPacket bufferChipset

DCS-7050SX3-48YC8-F

48x25G SFP+8x100G QSFP282K32 MB1x Trident3-X5

DCS-7280SR-48C6-F

48x10G SFP+6x100G QSFP2824K4 GB1x Jericho
7280SR3?

24K4 GB1x Jericho2


https://www.arista.com/en/company/news/press-release/4390-pr-20180329 7050X3 chipset

https://packetpushers.net/broadcom-trident3-programmable-varied-volume/ Trident3 ASIC versions


TCAM / ACL usage on 7050X3

Managed to fit 225 complex ACL entries like "10 permit tcp host 1.0.0.0 host 2.0.0.0 range 1100 1199" (randomized port ranges) in hardware causing 99.8% TCAM usage:

#show platform trident tcam
TCAM group 10 uses 1533 entries and can use up to 3 more.
Router ACL uses 1533 entries.

R-series should be able to fit more than 10X more (not tested)

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