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Arista

Trivia

Quick Tips

  • traceroute to check all leaf nodes are available from each other

  • show ip mroute to confirm multicast is not configured

  • Base is linux, all device specific code is userprocess.

  • provide a json eAPI ecosystem to use (inMon, Spotify's pyEOS, more)

  • Ansible, Chef, Puppet, Splunk and RedHat are ecosystem partners

  • 4 types of programmability

 [XML   /  JSON           |]<----- High Level API
 [CLI   /  SNMP           |]
 [ Protocols              |]
 [ Protocol Infrastructure|]
 [ Platform Code          |]
 [ HAL                    |]<----- H/w API
 [ Kernel                 |]<----- Linux API
 [ Hardware               |]

4th approach is DB approach with EOS' SysDB
  • Arista EOS architecture
    -------------------------------------
    [      Arista EOS Architecture      ]
    -------------------------------------
                  {PIM}
      {SNMP}<-,    '|'         ,>{BGP}
              --,-------------'
     {Driver}<- {  SysDB  }<-----{IGMP}
             ---^   '|'   ^--
      {STP}--'       |       '--{eAPI}
                  {MLAG}
    -------------------------------------
    [   Efficient Publish/Subscribe     ]
    -------------------------------------
    [         Linear Cloud Scale        ]
    -------------------------------------
  • CloudVision is like Network-wide SysDB, aggregation of network-wide SysDB. Provides single integration point to network. Platform for automation and visibility across network.

upgrade

  • Smart System Upgrade (SSU)

automated rolling upgrades for Spine|Leaf so minmal outage; reload, reload fast-boot; now fastest reload hitless taking 17ms

sources