Cisco Cisco Expressway Maintenance Manual
Field
Description
Usage tips
Location section:
Location
Peer 1 to Peer
6 address
Peer 1 to Peer
6 address
The IP address or FQDN of the neighbor system.
Enter the addresses of additional peers if:
■
the neighbor is an Expressway cluster, in
which case you must specify all of the
peers in the cluster
which case you must specify all of the
peers in the cluster
■
the neighbor is a resilient non-Expressway
system, in which case you must enter the
addresses of all of the resilient elements in
that system
system, in which case you must enter the
addresses of all of the resilient elements in
that system
Calls to an Expressway cluster are routed to
whichever peer in that neighboring cluster has
the lowest resource usage. See
whichever peer in that neighboring cluster has
the lowest resource usage. See
more information.
For connections to non-Expressway systems,
the Expressway uses a round-robin selection
process to decide which peer to contact if no
resource usage information is available.
the Expressway uses a round-robin selection
process to decide which peer to contact if no
resource usage information is available.
Advanced section:
Zone profile
Determines how the zone's advanced settings are
configured.
configured.
Default: uses the factory default profile.
Custom: allows you to configure each setting
individually.
individually.
Alternatively. choose one of the preconfigured
profiles to automatically use the appropriate
settings required for connections to that type of
system. The options include:
profiles to automatically use the appropriate
settings required for connections to that type of
system. The options include:
■
Cisco Unified Communications Manager
■
Cisco Unified Communications Manager
(8.6.1 or later)
(8.6.1 or later)
■
Nortel Communication Server 1000
■
Infrastructure device (typically used for
non-gatekeeper devices such as an MCU)
non-gatekeeper devices such as an MCU)
Only use the Custom profile to configure the
individual advanced settings on the advice of
Cisco customer support.
individual advanced settings on the advice of
Cisco customer support.
information about the Cisco Unified
Communications Manager profiles.
Communications Manager profiles.
Configuring Traversal Client Zones
To traverse a firewall, the Expressway must be connected with a traversal server (typically, an Expressway-E).
In this situation your local Expressway is a traversal client, so you create a connection with the traversal server by
creating a traversal client zone on your local Expressway. You then configure the client zone with details of the
corresponding zone on the traversal server. (The traversal server must also be configured with details of the
Expressway client zone.)
creating a traversal client zone on your local Expressway. You then configure the client zone with details of the
corresponding zone on the traversal server. (The traversal server must also be configured with details of the
Expressway client zone.)
After you have neighbored with the traversal server you can:
■
use the neighbor as a traversal server
■
query the traversal server about its endpoints
■
apply transforms to any queries before they are sent to the traversal server
■
control the bandwidth used for calls between your local Expressway and the traversal server
For full details on how traversal client zones and traversal server zones work together to achieve firewall traversal,
see
see
100
Cisco Expressway Administrator Guide
Zones and Neighbors