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tech:network:cisco:eigrp:md5-authentication:md5-authentication

Cisco: EIGRP MD5 Authentication

Lab 1

Topology

Base Configuration

Common Configuration Snippet

R1

R2

R3

R4

Configuration

Lab 1-1

optional {accept,send}-lifetime overlaps.

  • R2
configure terminal
!
key chain chain-R2
 key 1
  key-string pg1xsecret123
  ! optional
  accept-lifetime 08:20:00 7 dec 2019 duration 900
  send-lifetime 08:20:00 7 dec 2019 duration 900
 key 2
  key-string pg1xsecret345
  ! optional
  accept-lifetime 08:30:00 7 dec 2019 infinite
  send-lifetime 08:30:00 7 dec 2019 infinite
!
interface GigabitEthernet 0/2
 ip authentication mode eigrp 1 md5
 ip authentication key-chain eigrp 1 chain-R2
!
end
  • R2
configure terminal
!
key chain chain-R3
 key 1
  key-string pg1xsecret123
  ! optional
  accept-lifetime 08:20:00 7 dec 2019 duration 900
  send-lifetime 08:20:00 7 dec 2019 duration 900
 key 2
  key-string pg1xsecret345
  ! optional
  accept-lifetime 08:30:00 7 dec 2019 infinite
  send-lifetime 08:30:00 7 dec 2019 infinite
!
interface GigabitEthernet 0/1
 ip authentication mode eigrp 1 md5
 ip authentication key-chain eigrp 1 chain-R3
!
end
show key chain
show ip eigrp neighbors

References

tech/network/cisco/eigrp/md5-authentication/md5-authentication.txt · Last modified: 2019/12/07 17:37 by wnoguchi