Junos MX router ISSU walkthrough and validation
In-Service Software Upgrade (ISSU) on a Juniper MX240 router w/ dual RE's.
Lab design in first 1m of video. Covered topics:
Software download
Pre-checks
Install
In-Service stability
Post-checks
Tested using a pair of MX80's and an IXIA server.
Upgrade begins at ~22:30
Upgrade complets at ~24:18
Upgrade process accelerated. Total real upgrade time is ~22m.
Max packet loss = ~0.2%
Mean packet loss = ~0.087%
Test session maintained w/ no BGP or interface flaps.