3com 4500 PWR 50-PORT Manuale Utente
RIP Configuration Commands
149
Example
To configure the next hop of the default route as 129.102.0.2, enter the
following:
following:
<4500>system-view
System View: return to User View with Ctrl+Z.
[4500]ip route-static 0.0.0.0 0.0.0.0 129.102.0.2
RIP Configuration
Commands
Commands
This section describes the commands you can use to configure the Routing
Information Protocol (RIP).
Information Protocol (RIP).
When the Switch 4500 runs a routing protocol, it is able to perform the functions
of a router. The term router in this section can refer either to a physical router or to
the Switch 4500 running a routing protocol.
of a router. The term router in this section can refer either to a physical router or to
the Switch 4500 running a routing protocol.
checkzero
Syntax
checkzero
undo checkzero
View
RIP view
Parameter
None
Description
Use the
checkzero
command to check the zero field of RIP-1 packets. By default,
RIP-1 performs zero field checking.
Use the
undo checkzero
command to disable the checking of the zero fields.
According to the RFC1058 protocol specifications, some fields in RIP-1 packets
must be set to zero. These are called zero fields. During the zero check operation,
if a RIP-1 packet is received in which the zero fields are not zeros, it will be
rejected. Use the
must be set to zero. These are called zero fields. During the zero check operation,
if a RIP-1 packet is received in which the zero fields are not zeros, it will be
rejected. Use the
checkzero
command to enable or disable the zero check
operation on RIP-1.
This command does not work with RIP-2 packets, since RIP-2 packets have no zero
fields.
fields.
Example
To configure the Switch not to perform zero checking for RIP-1 packet, enter the
following:
following:
<4500>system-view
System View: return to User View with Ctrl+Z.
[4500]rip
[4500-rip]undo checkzero
default cost
Syntax
default cost value