Example 6: Css With Multiple Nodes - Avaya ESS User Manual

ESS Overview

Example 6: CSS with multiple nodes

In example 6, there is a multiple node CSS controlled by the S8710 Main server. Port Network 2
is connected to the CSS node in Port Network 3. Port Network 5 is connected to the CSS node
in Port Network 4. There is no IPSI in either Port Network 2 or Port Network 5 (see
Figure 15: CSS with multiple nodes in normal operation
PN #1
PN #2 does not
have an IPSI
Port Network Control Link (EAL)
IP Connection into Control Network
Server or Network Failure
VoIP Path
DSIC LInk
cycmcss5 KLC 031505
44 Avaya Enterprise Survivable Servers (ESS) Users Guide
S8710 Media Server
(Main Server)
PN #2
CSS
PN #3
S8700 ESS Server
(1st Alternative)
disc COMPACT
1
2
UID
disc COMPACT
1
2
UID
CSS PN #4
CSS / EI (Fiber)
ATM / ATM-EI (Fiber)
Dup Link
Out of Service
Figure 15).
PN #6
PN #5
PN #5 does not
have an IPSI