RIP v2 with Authentication
Outline
This challenge involves the configuration of RIP Version 2 with authenticated routing tables. The objectives of this challenge are to:
Commands
> en
# config t
(config)# router
rip
(config-router)#
version 2
(config-router)#
network 194.205.128.0
(config-router)#
exit
(config)# key
chain martin
(config-keychain)#
key 1
(config-keychain-key)#
key-string officer
(config-keychain-key)#
exit
(config-keychain)#
exit
(config)# int e0
(config-if)# ip
rip authentication key-chain martin
(config-if)# ip
rip authentication mode md5
Example
> en
# config t
(config)# router rip
(config-router)# ?
Router
configuration commands:
address-family Enter Address Family command mode
auto-summary Enable automatic network number
summarization
default Set a command to its defaults
default-information Control distribution of default
information
default-metric Set metric of redistributed routes
distance Define an administrative
distance
distribute-list Filter networks in routing updates
exit Exit from routing protocol
configuration mode
flash-update-threshold Specify flash update threshold in second
help Description of the
interactive help system
input-queue Specify input queue depth
maximum-paths Forward packets over multiple paths
neighbor Specify a neighbor router
network
Enable routing on an
IP network
no Negate a command or set
its defaults
offset-list Add or subtract offset from IGRP
or RIP metrics
output-delay Interpacket delay for RIP updates
passive-interface Suppress routing updates on an interface
redistribute Redistribute information from
another routing
protocol
timers Adjust routing timers
traffic-share How to compute traffic share over
alternate paths
validate-update-source Perform sanity checks against source address
of
routing updates
version Set routing protocol version
(config-router)#
version 2
(config-router)#
network 194.205.128.0
(config-router)#
exit
(config)# key ?
chain
Key-chain management
config-key
Set a private configuration key
(config)# key
chain ?
WORD
Key-chain name
(config)# key
chain martin
(config-keychain)#
?
Key-chain
configuration commands:
default
Set a command to its defaults
exit
Exit from key-chain configuration mode
key
Configure a key
no
Negate a command or set its defaults
(config-keychain)#
key ?
<0-2147483647> Key identifier
(config-keychain)#
key 1
(config-keychain-key)#
key-string officer
(config-keychain-key)#
exit
(config-keychain)#
exit
(config)# int e0
(config-if)# ip
rip authentication ?
key-chain
Authentication key-chain
mode
Authentication mode
(config-if)# ip
rip authentication key-chain martin
(config-if)# ip
rip authentication mode ?
md5
Keyed message digest
text
Clear text authentication
(config-if)# ip
rip authentication mode md5