MSR36-20_1和MSR36-20_3之间建立隧道。配置完以后,10.1.1.0/24和10.1.3.0/24之间不通,请问可能是什么原因?
MSR36-20_1 :
MSR36-20_2:
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最佳答案
IPsec sa没有建立起来吧,display ipsec sa看下,有没有安全联盟,如果建立起来了,就看看是不是保护流里的保护网段写错了,报文丢弃原因是没有可用的SA,很有可能是IPsec SA没有建立起来
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我没看出双方sa协商参数的问题,麻烦帮我看下,谢谢! MSR36-20_1 : # interface GigabitEthernet0/0 port link-mode route combo enable copper ip address 192.13.2.1 255.255.255.0 ipsec apply policy map1 # interface GigabitEthernet0/1 port link-mode route combo enable copper ip address 10.1.1.1 255.255.255.0 # ip route-static 10.1.3.0 24 192.13.2.2 # acl advanced 3000 rule 5 permit ip source 10.1.1.0 0.0.0.255 destination 10.1.3.0 0.0.0.255 # ipsec transform-set tran1 esp encryption-algorithm aes-cbc-128 esp authentication-algorithm sha1 # ipsec policy map1 10 isakmp transform-set tran1 security acl 3000 local-address 192.13.2.1 remote-address 131.108.5.2 ike-profile profile1 # ike profile profile1 keychain keychain2 match remote identity address 131.108.5.2 255.255.255.0 # ike keychain keychain2 pre-shared-key address 131.108.5.2 255.255.255.0 key cipher $c$3$2g+pn7jExw7R3KZvj1VG52RIzL6d3Q4= # MSR36-20_3: interface GigabitEthernet0/1 port link-mode route combo enable copper ip address 10.1.3.1 255.255.255.0 # interface GigabitEthernet0/2 port link-mode route combo enable copper ip address 131.108.5.2 255.255.255.0 ipsec apply policy map1 # ip route-static 10.1.1.0 24 131.108.5.1 # acl advanced 3000 rule 5 permit ip source 10.1.3.0 0.0.0.255 destination 10.1.1.0 0.0.0.255 # ipsec transform-set tran1 esp encryption-algorithm aes-cbc-128 esp authentication-algorithm sha1 # ipsec policy map1 10 isakmp transform-set tran1 security acl 3000 local-address 131.108.5.2 remote-address 192.13.2.1 ike-profile profile1 # ike profile profile1 keychain keychain2 match remote identity address 192.13.2.1 255.255.255.0 # ike keychain keychain1 # ike keychain keychain2 pre-shared-key address 192.13.2.1 255.255.255.0 key cipher $c$3$npAtC+ZDTUxZF6j8P+DHUVCBIBT//h4= #
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192.13.2.1和131.108.5.2中间是不是有nat?如果有nat,这个配置就有问题了