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C
ONFIGURING THE
Parameter
Poison Reverse
Authentication Required
Authentication Code
RIP sends routing-update messages at regular intervals and when the
network topology changes. When a router receives a routing update that
includes changes to an entry, it updates its routing table to reflect the new
route. RIP routers maintain only the best route to a destination. After
updating its routing table, the router immediately begins transmitting
routing updates to inform other network routers of the change.
4-38
B
ADSL R
ARRICADE
Description
A method for preventing loops that would cause
endless retransmission of data traffic.
•
•
Password Authentication key.
OUTER
None: No authentication.
Password: A password authentication key is
included in the packet. If this does not match
what is expected, the packet will be discarded.
This method provides very little security as it
is possible to learn the authentication key by
watching RIP packets.
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