Network interfaces

Last Updated : Apr 13, 2026 |
Prolog information
The number of network interfaces that you set up depends the type of Avaya SBC instance that you are deploying.
The following table shows the minimum number of interfaces required for each type:
Type
Minimum number of interfaces
Maximum number of interfaces
EMS
1
2
SBC
4
6
EMS+SBC
4
4
The following table shows the relationship between the number of network interfaces and their configuration when deployed:
Number of network interfaces
Type of Avaya SBC configuration
Interface ports order
1
EMS only
M1
2
EMS only
M1, A1
4
EMS or EMS+SBC or SBC
B1, A1, M1, M2
6
EMS or EMS+SBC or SBC
M1, A1, B1, M2, A2, B2
Note:
EMS requires only M1 interface. A1 interface is ignored.