tl;dr;
[x] GRES should be enabled on all Juniper dual-RE switches
[ ] Because of Junos limitation with our current configuration, disable GRES from on dual-RE routers, see T191371
Remove from:
```
cr1-eqiad - done
cr2-eqiad - done
cr1-eqsin - done
cr2-esams
```
[] Nonstop bridging should NOT be enabled on any devices (only useful for STP, which we don't use)
Remove from:
```
asw-esams.mgmt.esams.wmnet
asw2-b-eqiad.mgmt.eqiad.wmnet
fasw-c-eqiad.mgmt.eqiad.wmnet
asw-b-codfw.mgmt.codfw.wmnet
asw1-eqsin.mgmt.eqsin.wmnet
cr1-eqsin.wikimedia.org
fasw-c-codfw.mgmt.codfw.wmnet
asw-c-codfw.mgmt.codfw.wmnet
asw-a-codfw.mgmt.codfw.wmnet
asw2-a-eqiad.mgmt.eqiad.wmnet
asw-d-codfw.mgmt.codfw.wmnet
asw2-c-eqiad.mgmt.eqiad.wmnet
asw2-d-eqiad.mgmt.eqiad.wmnet
```
[x] Nonstop active routing should be enabled on all switches with > 1 RE (handles LACP, BFD, OSPF, BGP, VRRP)
```
asw1-eqsin.mgmt.eqsin.wmnet - done
asw2-c-eqiad.mgmt.eqiad.wmnet - done
asw2-b-eqiad.mgmt.eqiad.wmnet - done
asw2-ulsfo.mgmt.ulsfo.wmnet - done
csw2-esams.mgmt.esams.wmnet - done
asw-a-eqiad.mgmt.eqiad.wmnet - not supported
asw-b-eqiad.mgmt.eqiad.wmnet - not supported
asw-c-eqiad.mgmt.eqiad.wmnet - not supported
```
[ ] graceful-restart should be enabled on devices with 1 RE
Nonstop active routing and graceful-restart are mutually exclusive.
Enable on:
```
mr1-eqsin.wikimedia.org - done
pfw3-eqiad.wikimedia.org - done
mr1-eqiad.wikimedia.org - done
msw1-codfw.mgmt.codfw.wmnet - done
mr1-ulsfo.wikimedia.org - done
pfw3-codfw.wikimedia.org - done
mr1-codfw.wikimedia.org - done
msw1-eqiad.mgmt.eqiad.wmnet - done
asw2-a5-eqiad.mgmt.eqiad.wmnet
```
More details on https://www.juniper.net/documentation/en_US/junos/topics/concept/high-availability-features-in-junos-introducing.html