tl;dr;
[x] GRES should be enabled on all Juniper dual-RE devices
~~Because of Junos limitation with our current configuration, disable GRES from on dual-RE routers, see T191371~~
Test then re-enable GRES on:
[x] cr1-eqiad
[x] cr2-eqiad
[x] cr1-eqsin
[x] cr2-esams
---
[] Nonstop bridging should NOT be enabled on any devices ([[ https://www.juniper.net/documentation/en_US/junos/topics/reference/general/nonstop-bridging-system-requirements.html | only useful for STP ]], which we don't use)
Remove from:
[] asw2-a-eqiad.mgmt.eqiad.wmnet
[] asw2-b-eqiad.mgmt.eqiad.wmnet
[] asw2-c-eqiad.mgmt.eqiad.wmnet
[] asw2-d-eqiad.mgmt.eqiad.wmnet
[x] asw-a-codfw.mgmt.codfw.wmnet
[x] asw-b-codfw.mgmt.codfw.wmnet
[x] asw-c-codfw.mgmt.codfw.wmnet
[x] asw-d-codfw.mgmt.codfw.wmnet
[] fasw-c-eqiad.mgmt.eqiad.wmnet
[] fasw-c-codfw.mgmt.codfw.wmnet
[] asw2-esams.mgmt.esams.wmnet
[x] asw1-eqsin.mgmt.eqsin.wmnet
---
[x] Nonstop active routing should be enabled on all switches with > 1 RE (handles LACP, BFD, OSPF, BGP, VRRP)
[x] asw1-eqsin.mgmt.eqsin.wmnet
---
[x] Nonstop active routing should NOT be enabled on any router
---
[x] graceful-restart should be enabled on all devices where NSR is not configured (nonstop active routing and graceful-restart are mutually exclusive)
---
[ ] Write matching homer changes to make it systematic.
---
More details on https://www.juniper.net/documentation/en_US/junos/topics/concept/high-availability-features-in-junos-introducing.html