Avaya ESS User Manual page 61

The problem that caused the Main server outage has been fixed (see
Networks can now communicate with the Main Server. Using the Auto Return functionality, the
administrator scheduled the return of all Port Networks to the Main server.
If the Auto Fallback to Primary feature (Communication Manager 3.0 or later) is being used, the
G350 automatically re-registers with the Main server when it becomes available. If the Auto
Primary feature is not being used (as shown in
on the G350.
Figure 25: LSP working in an ESS environment - fall-back to the Main server
S8500 ESS Server
(2nd Alternative)
disc
S8300 LSP
G350
PN #1
PN #2
Figure
S8710 Media Server
(Main Server)
PN #4
PN #3
Port Network Control Link (EAL)
IP Connection into Control Network
Server or Network Failure
VoIP Path
DSIC LInk
Figure
25), a manual reset must be performed
S8700 ESS Server
(1st Alternative)
disc COMPACT
1
2
UID
disc COMPACT
1
2
UID
PN #5
PN #6
Issue 1.1 June 2005
ESS failover examples
25). All Port
PN #8
PN #7
CSS / EI (Fiber)
ATM / ATM-EI (Fiber)
Dup Link
Out of Service
cycmlsp4 KLC 031505
61