EIGRP for IPv6 authentication

初期設定

iosv-0(config)#key chain EIGRP
iosv-0(config-keychain)#key 1
iosv-0(config-keychain-key)#key-string EIGRP-STRING
iosv-0(config-keychain-key)#cryptographic-algorithm hmac-sha-256
iosv-0(config-keychain-key)#end

iosv-0(config)#int gi0/0
iosv-0(config-if)#ipv6 authentication mode eigrp 1 md5
*Jul  1 15:02:24.226: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::2 (GigabitEthernet0/0) is down: authentication mode changedv
iosv-0(config-if)#ipv6 authentication key-chain eigrp 1 EIGRP
iosv-0(config-if)#do sh ipv6 eigrp neighbor
EIGRP-IPv6 Neighbors for AS(1)
H   Address                 Interface              Hold Uptime   SRTT   RTO  Q  Seq
(sec)         (ms)       Cnt Num
0   Link-local address:     Gi0/1                    11 00:17:24   10   100  0  7
FE80::3

<key-chain>
iosv-1(config-if)#ipv6 authentication mode eigrp 1 md5
iosv-1(config-if)#ipv6 authentication key-chain eigrp 1 EIGRP
iosv-1(config-if)#
*Jul  1 15:06:07.315: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is up: new adjacency

iosv-0#sh ipv6 eigrp neighbor
EIGRP-IPv6 Neighbors for AS(1)
H   Address                 Interface              Hold Uptime   SRTT   RTO  Q  Seq
                                                   (sec)         (ms)       Cnt Num
1   Link-local address:     Gi0/0                    10 00:02:34    7   100  0  15
    FE80::2
0   Link-local address:     Gi0/1                    12 00:22:40   10   100  0  7
    FE80::3

・key-chainを使っているのでOSPFの時と設定はほとんど同じ

参考

Chapter: IPv6 Routing: EIGRP Support


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