Avaya 4000 Series - Stack Health Check: Cascade Up and Cascade Down columns display LINK DOWN or MISSING

Procedure
Figure 24: Ping/Telnet/SSH/Web/DM do not work when you use the stack IP address
Stack Health Check: Cascade Up and Cascade Down
columns display LINK DOWN or MISSING
Use the recovery tree in this section if the output from the switch displays "LINK DOWN" or
"MISSING" in the Cascade Up or Cascade Down columns when you issue the show stack
health command.
Stack Health Check: Cascade Up and Cascade Down columns display LINK DOWN or MISSING
Troubleshooting Avaya ERS 4000 Series April 2014 77