Chapter 19
| Unicast Routing
Configuring the Routing Information Protocol
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◆ Send Version – The RIP version to send on an interface.
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RIPv1: Sends only RIPv1 packets.
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RIPv2: Sends only RIPv2 packets.
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RIPv1 Compatible: Route information is broadcast to other routers with
RIPv2.
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Do Not Send: Does not transmit RIP updates. Passively monitors route
information advertised by other routers attached to the network.
The default depends on the setting for the Global RIP Version. (See
“Configuring General Protocol Settings” on page 699.)
◆ Receive Version – The RIP version to receive on an interface.
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RIPv1: Accepts only RIPv1 packets.
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RIPv2: Accepts only RIPv2 packets.
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RIPv1 and RIPv2: Accepts RIPv1 and RIPv2 packets.
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Do Not Receive: Does not accept incoming RIP packets. This option does
not add any dynamic entries to the routing table for an interface.
The default depends on the setting for the Global RIP Version. (See
“Configuring General Protocol Settings” on page 699.)
◆ Authentication Type – Specifies the type of authentication required for
exchanging RIPv2 protocol messages. (Default: No Authentication)
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No Authentication: No authentication is required.
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Simple Password: Requires the interface to exchange routing information
with other routers based on an authorized password. (Note that
authentication only applies to RIPv2.)
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MD5: Message Digest 5 (MD5) authentication.
MD5 is a one-way hash algorithm is that takes the authentication key and
produces a 128 bit message digest or “fingerprint.” This makes it
computationally infeasible to produce two messages having the same
message digest, or to produce any message having a given pre-specified
target message digest.
◆ Authentication Key – Specifies the key to use for authenticating RIPv2 packets.
For authentication to function properly, both the sending and receiving
interface must use the same password. (Range: 1-16 characters, case sensitive)
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