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RIP 77
Perform the following configurations in RIP view.
By default, RIP-2 uses the route aggregation function.
Setting RIP-2 Packet Authentication
RIP-1 does not support packet authentication. However, you can configure packet
authentication on RIP-2 interfaces.
RIP-2 supports two authentication modes:
■ Simple authentication — This mode does not ensure security. The key is not
encrypted and can be seen in a network trace so simple authentication should
not be applied when there are high security requirements
■ MD5 authentication — This mode uses two packet formats: One format
follows RFC1723 (RIP Version 2 Carrying Additional Information); the other
format follows RFC2082 (RIP-2 MD5 Authentication).
Perform the following configuration in VLAN interface view
The usual packet format follows RFC1723 and nonstandard follows RFC2082.
Configuring Split Horizon
Split horizon means that the route received through an interface will not be sent
through this interface again. The split horizon algorithm can reduce the
generation of routing loops, but in some special cases, split horizon must be
disabled to obtain correct advertising at the cost of efficiency. Disabling split
horizon has no effect on the P2P connected links but is applicable on the Ethernet.
Table 14 Enabling Route Aggregation
Operation Command
Enable the automatic aggregation function of
RIP-2
summary
Disable the automatic aggregation function of
RIP-2
undo summary
Table 15 Setting RIP-2 Packet Authentication
Operation Command
Configure RIP-2 simple authentication key rip authentication-mode simple
password-string
Configure RIP-2 MD5 authentication with
packet type following RFC 1723
rip authentication-mode { simple password
| md5 { usual key-string | nonstandard
key-string key-id } }
Configure RIP-2 MD5 authentication with
packet type following RFC 2082
rip authentication-mode { simple password
| md5 { usual key-string | nonstandard
key-string key-id } }
Set the packet format type of RIP-2 MD5
authentication
rip authentication-mode { simple password
| md5 { usual key-string | nonstandard
key-string key-id } }
Cancel authentication of RIP-2 packet undo rip authentication-mode