
Configuring IP Services
3-10 114065 Rev. A
Using a Default Route for an Unknown Subnet
By default, IP drops packets addressed to an unknown subnet and returns an
ICMP to the sender. This prevents local traffic from accidentally following the
default route to the Internet.
In cases where remote sites follow a default route to a central site, it is appropriate
to enable this parameter. If the router serves as an Internet gateway (with a default
route to the Internet), the parameter can be disabled.
You can use Site Manager to configure IP to use a default route for packets
addressed to an unknown subnet.
The default route must be present in the routing table.
Specifying the Maximum Number of IP Policies
By default, IP allows you configure up to 32 announce policies and 32 accept
policies for each protocol that you configure.on the router. This value must be
increased for IP to allocate memory and implement additional policies.
You can use Site Manager to configure more than 32 Accept or Announce policy
rules for a protocol.
Disabling Route Filter Support
By default, IP supports route filters. You can use Site Manager to disable route
filter support When route filter support is disabled, IP does not allocate memory
for route filters when the maximum number of IP policies is increased..
Site Manager: Enable Default Route for Subnets parameter: page A-44
Site Manager: Maximum Policy Rules parameter: page A-44
Site Manager: Route Filter Support parameter: page A-44
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