Juniper router upgrade

1. Download the proper image to apt1001:/srv/junos/
   • We now only use 64bits vmhost
   • Based on upgrade task and Juniper recommended
2. Make room for the image
   • request system storage cleanup
3. Save rescue config (just in case)
   • request system configuration rescue save
4. Copy image
   • file copy "https://apt.wikimedia.org/junos/$filename.tgz" /var/tmp/
5. Check checksum
   • file checksum md5 /var/tmp/$filename.tgz
   • Compare with checksum on Juniper's website
6. Check if console port is working
7. Depool site (optional)
8. Drain traffic away from router
   • deactivate protocols bgp group Transit4
   • deactivate protocols bgp group Transit6
   • deactivate protocols bgp group IX4
   • deactivate protocols bgp group IX6
   • Adjust OSPF metrics
9. Ensure router is not VRRP master
   • show vrrp summary
   • TODO
10. Downtime host in Icinga and LibreNMS

If Multi RE:

1. Remove graceful-switchover
   • deactivate chassis redundancy graceful-switchover
2. Install image on backup RE
   • request vmhost software add /var/tmp/$filename.tgz re1
3. Reboot RE1
   • request vmhost reboot re1
4. Once back up, perform RE switchover (impactful)
   • request chassis routing-engine master switch
5. Once done, repeat previous 3 steps for re0
6. Rollback "Remove graceful-switchover"

If single RE:

1. Install image on RE
   • request vmhost software add /var/tmp/$filename.tgz
2. Reboot router
   • request vmhost reboot

Both single and dual RE:

1. Check if router is healthy
   • show log messages | last
   • show system alarms
   • show ospf(3) interface
   • show bgp summary
   • All green in Icinga and LibreNMS
2. Cleanup the mess
   • request system storage cleanup
3. Save rescue config (just in case)
   • request system configuration rescue save
4. Remove Icinga and LibreNMS downtimes
5. Rollback "Drain traffic away from router"
6. Rollback VRRP change if any