Cisco Cisco Expressway Manuel De Maintenance
n
control the bandwidth used for calls between your local Expressway and the neighbor zone
Note that:
n
neighbor zone relationship definitions are one-way; adding a system as a neighbor to your Expressway
does not automatically make your Expressway a neighbor of that system
does not automatically make your Expressway a neighbor of that system
n
inbound calls from any configured neighbor are identified as coming from that neighbor
n
systems that are configured as cluster peers (formerly known as Alternates) must not be configured as
neighbors to each other
neighbors to each other
The configurable options for a neighbor 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.
you to distinguish between zones of the same
type.
Type
The nature of the specified zone, in relation to the
local Expressway. Select Neighbor.
local Expressway. Select Neighbor.
After a zone has been created, the Type
cannot be changed.
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
will be forwarded to a neighbor gatekeeper or
proxy (see the
information). This field specifies the hop count to
use when sending a search request to this
particular zone.
use when sending a search request to this
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.
another zone and already has a hop count
assigned, the lower of the two values is
used.
H.323
section:
Mode
Determines whether H.323 calls are allowed to
and from the neighbor system.
and from the neighbor system.
Port
The port on the neighbor system used for H.323
searches initiated from the local Expressway.
searches initiated from the local Expressway.
This must be the same port number as that
configured on the neighbor system as its
H.323 UDP port.
configured on the neighbor system as its
H.323 UDP port.
SIP
section:
Mode
Determines whether SIP calls are allowed to and
from the neighbor system.
from the neighbor system.
Port
The port on the neighbor system used for
outgoing SIP messages initiated from the local
Expressway.
outgoing SIP messages initiated from the local
Expressway.
This must be the same port number as that
configured on the neighbor system as its SIP
TCP, SIP TLS or SIP UDP listening port
(depending on which SIP Transport mode is
in use).
configured on the neighbor system as its SIP
TCP, SIP TLS or SIP UDP listening port
(depending on which SIP Transport mode is
in use).
Transport
Determines which transport type is used for SIP
calls to and from the neighbor system. The
default is TLS.
calls to and from the neighbor system. The
default is TLS.
TLS verify
mode
mode
Controls whether the Expressway performs
X.509 certificate checking against the neighbor
system when communicating over TLS.
X.509 certificate checking against the neighbor
system when communicating over TLS.
If the neighbor system is another
Expressway, both systems can verify each
other's certificate (known as mutual
authentication). See
Expressway, both systems can verify each
other's certificate (known as mutual
authentication). See
more information.
Cisco Expressway Administrator Guide (X8.1)
Page 82 of 344
Zones and neighbors
Configuring zones