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bgpd: Extend EVPN next hop tracking to type-1 and type-4 routes

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NH tracking is already in use for type-1, type-3 and type-5 routes.
This change extends that tracking to EAD and ESR to eliminate the 9s
delay (BGP holdtimer) with ES/L2-NHG update seen when all the uplinks
are shutdown on a remote EVPN PE.

Ticket: #2682896

Signed-off-by: Anuradha Karuppiah <anuradhak@nvidia.com>
This commit is contained in:
Anuradha Karuppiah 2021-06-08 14:14:58 -07:00
parent 2ca7780ab5
commit fa46a5cd45
1 changed files with 6 additions and 4 deletions
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10
bgpd/bgp_evpn.c
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@ -6048,10 +6048,12 @@ bool bgp_evpn_is_prefix_nht_supported(const struct prefix *pfx)
* type-5 routes. It may be tweaked later on for other routes, or
* even removed completely when all routes are handled.
*/
if (pfx && pfx->family == AF_EVPN &&
(evp->prefix.route_type == BGP_EVPN_MAC_IP_ROUTE ||
evp->prefix.route_type == BGP_EVPN_IMET_ROUTE ||
evp->prefix.route_type == BGP_EVPN_IP_PREFIX_ROUTE))
if (pfx && pfx->family == AF_EVPN
&& (evp->prefix.route_type == BGP_EVPN_MAC_IP_ROUTE
|| evp->prefix.route_type == BGP_EVPN_AD_ROUTE
|| evp->prefix.route_type == BGP_EVPN_ES_ROUTE
|| evp->prefix.route_type == BGP_EVPN_IMET_ROUTE
|| evp->prefix.route_type == BGP_EVPN_IP_PREFIX_ROUTE))
return true;
return false;