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Changing The Route Loop Prevention Method; Displaying Rip Information - HP ProCurve 6200yl Multicast And Routing Manual

Procurve series switch.
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IP Routing Features
Configuring RIP
N o t e

Changing the Route Loop Prevention Method

RIP can use the following methods to prevent routing loops:
Split horizon - the routing switch does not advertise a route on the same
interface as the one on which the routing switch learned the route.
Poison reverse - the routing switch assigns a cost of 16 ("infinity" or
"unreachable") to a route before advertising it on the same interface as
the one on which the routing switch learned the route. This is the default.
These loop prevention methods are configurable on an individual VLAN
interface basis.
These methods are in addition to RIP's maximum valid route cost of 15.
Poison reverse is enabled by default. Disabling poison reverse causes the
routing switch to revert to Split horizon. (Poison reverse is an extension of
Split horizon.) To disable Poison reverse on an interface, and thereby enable
Split horizon, enter the following:
ProCurve(config)# vlan 1
ProCurve(vlan-1)# no ip rip poison-reverse
Syntax: [no] ip rip poison-reverse
Entering the command without the "no" option will re-enable Poison reverse.

Displaying RIP Information

All RIP configuration and status information is shown by the CLI command
show ip rip and options off that command. The following RIP information can
be displayed:
RIP Information Type
General Information
Interface Information
Peer Information
Redistribute Information
Restrict Information


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