Cisco Cisco Expressway Maintenance Manual
The configurable options for a traversal client zone are:
Field
Description
Usage tips
Configuration section:
Name
The name acts as a unique identifier, allowing you to
distinguish between zones of the same type.
distinguish between zones of the same type.
Type
The nature of the specified zone, in relation to the local
Expressway. Select Traversal client.
Expressway. Select Traversal client.
After a zone has been created,
the Type cannot be changed.
the Type cannot be changed.
Hop count
The hop count is the number of times a request will be
forwarded to a neighbor gatekeeper or proxy (see the
forwarded to a neighbor gatekeeper or proxy (see the
hop count to use when sending a search request to this
particular zone.
particular zone.
If the search request was
received from another zone and
already has a hop count
assigned, the lower of the two
values is used.
received from another zone and
already has a hop count
assigned, the lower of the two
values is used.
Connection credentials section:
Username and
Password
Traversal clients must always authenticate with traversal
servers by providing their authentication credentials. Each
traversal client zone must specify a Username and
servers by providing their authentication credentials. Each
traversal client zone must specify a Username and
Password to be used for authentication with the traversal
server.
server.
Multiple traversal client zones
can be configured, each with
distinct credentials, to connect
to one or more service providers.
can be configured, each with
distinct credentials, to connect
to one or more service providers.
H.323 section:
Mode
Determines whether H.323 calls are allowed to and from the
traversal server.
traversal server.
Protocol
Determines which of the two firewall traversal protocols
(Assent or H.460.18) to use for calls to the traversal server.
(Assent or H.460.18) to use for calls to the traversal server.
for
more information.
Port
The port on the traversal server to use for H.323 calls to and
from the local Expressway.
from the local Expressway.
For firewall traversal to work via
H.323, the traversal server must
have a traversal server zone
configured on it to represent this
Expressway, using this same port
number.
H.323, the traversal server must
have a traversal server zone
configured on it to represent this
Expressway, using this same port
number.
SIP section:
Mode
Determines whether SIP calls are allowed to and from the
traversal server.
traversal server.
Port
The port on the traversal server to use for SIP calls to and
from the Expressway.
from the Expressway.
This must be different from the listening ports used for
incoming TCP, TLS and UDP SIP calls (typically 5060 and
5061).
incoming TCP, TLS and UDP SIP calls (typically 5060 and
5061).
For firewall traversal to work via
SIP, the traversal server must
have a traversal server zone
configured on it to represent this
Expressway, using this same
transport type and port number.
SIP, the traversal server must
have a traversal server zone
configured on it to represent this
Expressway, using this same
transport type and port number.
Unified
Communications
services
Communications
services
Controls whether this traversal zone provides Unified
Communications services, such as mobile and remote
access.
Communications services, such as mobile and remote
access.
If enabled, this zone must also be
configured to use TLS with TLS
verify mode enabled.
configured to use TLS with TLS
verify mode enabled.
This setting only applies when
is
set to Mobile and remote access.
101
Cisco Expressway Administrator Guide
Zones and Neighbors