Information
Configure the EIGRP address family key chain.
Rationale:
This is part of the EIGRP authentication configuration
Impact:
Organizations should plan and implement enterprise security policies that require rigorous authentication methods for routing protocols. Using the address-family 'key chain' for EIGRP enforces these policies by restricting the exchanges between predefined network devices.
Solution
Configure the EIGRP address family key chain.
hostname(config)#router eigrp <virtual-instance-name>
hostname(config-router)#address-family ipv4 autonomous-system {eigrp_as-number}
hostname(config-router-af)#af-interface {interface-name}
hostname(config-router-af-interface)#authentication key-chain {eigrp_key-chain_name}
Default Value:
No key chains are specified for EIGRP