Troubleshooting the Logical Disconnection of a T1600 Router
from the TX Matrix Plus Router
Problem
The following changes can cause a T1600 router to be
logically disconnected from the TX Matrix Plus router if the master
and backup Routing Engines are running different Junos OS Releases:
- A host subsystem initiates a change in mastership to a
backup Routing Engine in a T1600 router because the master Routing
Engine has failed.
- You initiate a change in mastership to a backup Routing
Engine in a T1600 router and the on-loss-of-keepalives statement
is not included at the [edit chassis redundancy failure] hierarchy
level.
You initiate a change in mastership to the backup Routing Engine
in the TX Matrix Plus router and the on-loss-of-keepalives statement is not included at the [edit chassis redundancy failure] hierarchy level—All T1600 routers are logically disconnected
from the TX Matrix Plus router.
Solution
To reconnect the T1600 router:
- Initiate a change in mastership to the backup Routing
Engine in the TX Matrix Plus router.
- Replace the failed Routing Engine in the T1600 router
and switch mastership to it. The replacement Routing Engine must be
running the same software release as the master Routing Engine in
the TX Matrix Plus router. See the T1600 Core Router Hardware Guide
.
Switch mastership of all master Routing Engines in the T1600
routers to their backup Routing Engines.
Switch mastership of the new master Routing Engine in the T1600
router back to the original master Routing Engine.
Published: 2011-12-19