bgp_always_compare_med

RT-1.12: BGP always compare MED

BGP always compare MED

Establish BGP sessions as follows between OTG and DUT.
- OTG emulates three eBGP neighbors peering the DUT.
  - DUT Port1 (AS 65501) ---iBGP 1--- OTG Port1 (AS 65501)
  - DUT Port2 (AS 65501) ---eBGP 1--- OTG Port2 (AS 65502)
  - DUT Port3 (AS 65501) ---eBGP 2--- OTG Port3 (AS 65503)
Associate eBGP neighbors #1 and #2 with MED values of 100 and 50 on the advertised routes.
Enable “always-compare-med” knob on the DUT.
Validate traffic flowing to the prefixes received from eBGP neighbor #2 from DUT (OTG Port3).
Disable MED settings on DUT and OTG ports.
Validate the change of traffic flow because of the change (OTG Port2).
Validate session state and capabilities received on DUT using telemetry.

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