3Com SuperStack II 3300 User Manual page 116

116 C 8: S
HAPTER ETTING
Enabling and
Disabling Poisoned
Reverse
Adding an
Advertisement
Address
IP P
ARAMETERS
2 Select the interface you require.
Interface 2 - Enter RIP mode
(disabled,learn,advertise,enabled) [enabled]:
3 Enter the RIP mode as required.
When the Poisoned Reverse mode is enabled, RIP does the following:
Advertises route updates it receives back through the receiving
interfaces
Sets the route metric to 16 (meaning "route not reachable")
By disabling the Poisoned Reverse mode, you can stop RIP from
advertising routes back through the originating ports.
Poisoned Reverse mode is enabled by default.
To enable Poisoned Reverse mode:
1 Enter the following at the top-level menu:
ip rip poisonReverse
The following prompt is displayed:
Select IP interfaces (1-4|all) [4]:
2 Select the interface you require.
Interface 2 - Enter RIP poison reverse mode
(disabled,enabled) [enabled]:
3 Enable or disable the Poisoned Reverse mode as required.
You can add an advertisement address to an IP RIP interface. This defines
the IP addresses of specific hosts or routers to receive RIP updates. An
advertisement address is usually the IP broadcast address for a network,
for example, 10.255.255.255, but in certain environments, it may be
useful to restrict advertisements to the IP address of the router.
To add an advertisement address:
1 Enter the following at the top-level menu:
ip rip addAdvertisement
The following prompt is displayed:
Select IP interface {1-4|?} [1]: