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Configuring H.323 Gatekeepers and Proxies
H.323 Gatekeeper Configuration Task List
VC-306
Cisco IOS Voice, Video, and Fax Configuration Guide
The local-gatekeeper-name argument should be a Domain Name System (DNS) host name if DNS is to
be used to locate remote zones.
The zone subnet command may be used more than once to create a list of subnets controlled by a
gatekeeper. The subnet masks need not match actual subnets in use at your site. For example, to specify
a particular endpoint, show its address as a 32-bit netmask.
If a local gatekeeper name is contained in the message, it must match the local-gatekeeper-name
argument.
Step 4
Router(config-gk)# zone subnet local-gatekeeper-name
[default | subnet-address {/bits-in-mask |
mask-address} enable]
Defines a set of subnets that constitute the gatekeeper
zone. Enables the gatekeeper for each of these
subnets and disables it for all other subnets. (Repeat
for all subnets.)
The keywords and arguments are as follows:
• local-gatekeeper-name—Specifies the name of
the local gatekeeper.
• default—(Optional) Applies to all other subnets
that are not specifically defined by the
zone subnet command.
• subnet-address—(Optional) Specifies the
address of the subnet that is being defined.
• bits-in-mask—(Optional) Specifies the number
of bits of the mask to be applied to the subnet
address.
Note The slash must be entered before this
argument.
• mask-address—(Optional) Specifies the mask (in
dotted string format) to be applied to the subnet
address.
• enable—(Optional) Specifies that the gatekeeper
accepts discovery and registration from the
specified subnets.
Note To define the zone as being all but one set of
subnets by disabling that set and enabling all
other subnets, use the no form of the
command as follows: Configure no zone
subnet local-gatekeeper-name
subnet-address {/bits-in-mask |
mask-address} enable.
Note To accept the default behavior, which is that
all subnets are enabled, use the no form of the
command as follows: no zone subnet
local-gatekeeper-name default enable.
Step 5
Router(config-gk)# no shutdown
Brings the gatekeeper online.
Command Purpose