3.5 EIGRP [for IPv4 and IPv6]

sh ip eigrp interfaces detail…

kind of a funky command, but it shows the hello time (default is 5, of course)…

r3(config-if)#do sh ip eigrp int det
IP-EIGRP interfaces for process 100

Xmit Queue   Mean   Pacing Time   Multicast    Pending
Interface        Peers  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes
Fa0/0              2        0/0        19       0/1           80           0
Hello interval is 5 sec
Next xmit serial <none>
Un/reliable mcasts: 0/14  Un/reliable ucasts: 23/11
Mcast exceptions: 5  CR packets: 4  ACKs suppressed: 4
Retransmissions sent: 4  Out-of-sequence rcvd: 0
Authentication mode is not set

r3(config-if)#ip hello-interval eigrp 100 10
r3(config-if)#do sh ip eigrp int det
IP-EIGRP interfaces for process 100

Xmit Queue   Mean   Pacing Time   Multicast    Pending
Interface        Peers  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes
Fa0/0              2        0/0        19       0/1           80           0
Hello interval is 10 sec
Next xmit serial <none>
Un/reliable mcasts: 0/14  Un/reliable ucasts: 23/11
Mcast exceptions: 5  CR packets: 4  ACKs suppressed: 4
Retransmissions sent: 4  Out-of-sequence rcvd: 0
Authentication mode is not set