Cisco Expressway Series

Clustering Connections
Cluster Connections Before X8.8
Cluster Port Reference Before X8.8
Purpose Src. IP Src. ports Protocol Dest. IP Dst. Ports
Cluster database synchronization (IPSec AH) This
peer
N/A 51 Other
peers
N/A
Key exchange between peers (ISAKMP) This
peer
500 UDP Other
peers
500
Cluster recovery This
peer
30000-
35999
UDP Other
peers
4371
Cluster communication This
peer
30000-
35999
TCP Other
peers
4369-
4380
Bandwidth management (Expressway-C cluster
only)
This
peer
1719 UDP Other
peers
1719
Table 6 Cluster Synchronization and Communications
12
Cisco Expressway IP Port Usage Configuration Guide