router eigrp 1
no auto-summary
passive-interface default
no passive-interface f0/0
no passive-interface f1/0
eigrp router-id 1.1.1.1
network 10.0.0.0
sh ip eigrp nei
EIGRP Authentication
secures routing protocol communication
prevent route poisening
key chain EIGRP
key 1
key-string cisco
exit
exit
int f0/0
ip authentication key-chain eigrp 1 EIGRP
ip authentication mode eigrp 1 md5
ip authentication key-chain eigrp 1 md5
have to set it up on all the routers becuase the routes will go down
got to do it on the other routers
