ipsecvpn建立不成功
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问题描述：
与上海端ipsecvpn建立不起来，debug信息如下
I-COOKIE: becee6a471f438b2
R-COOKIE: 0000000000000000
next payload: SA
version: ISAKMP Version 1.0
exchange mode: Main
flags:
message ID: 0
length: 196
*Dec 1 13:32:21:856 2020 H3C IKE/7/PACKET: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
Sending an IPv4 packet.
*Dec 1 13:32:21:856 2020 H3C IKE/7/EVENT: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
Sent data to socket successfully.
*Dec 1 13:32:32:856 2020 H3C IKE/7/PACKET: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
Retransmit phase 1 packet.
*Dec 1 13:32:32:856 2020 H3C IKE/7/PACKET: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
Sending packet to 175.102.21.221 remote port 500, local port 500.
*Dec 1 13:32:32:856 2020 H3C IKE/7/PACKET: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
I-COOKIE: becee6a471f438b2
R-COOKIE: 0000000000000000
next payload: SA
version: ISAKMP Version 1.0
exchange mode: Main
flags:
message ID: 0
length: 196
*Dec 1 13:32:32:856 2020 H3C IKE/7/PACKET: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
Sending an IPv4 packet.
*Dec 1 13:32:32:856 2020 H3C IKE/7/EVENT: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
Sent data to socket successfully.
*Dec 1 13:32:43:856 2020 H3C IKE/7/PACKET: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
Retransmit phase 1 packet.
*Dec 1 13:32:43:856 2020 H3C IKE/7/PACKET: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
Sending packet to 175.102.21.221 remote port 500, local port 500.
*Dec 1 13:32:43:856 2020 H3C IKE/7/PACKET: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
I-COOKIE: becee6a471f438b2
R-COOKIE: 0000000000000000
next payload: SA
version: ISAKMP Version 1.0
exchange mode: Main
flags:
message ID: 0
length: 196
*Dec 1 13:32:43:856 2020 H3C IKE/7/PACKET: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
Sending an IPv4 packet.
*Dec 1 13:32:43:856 2020 H3C IKE/7/EVENT: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
Sent data to socket successfully.
*Dec 1 13:32:59:856 2020 H3C IKE/7/PACKET: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
Retransmit phase 1 packet.
*Dec 1 13:32:59:856 2020 H3C IKE/7/PACKET: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
Sending packet to 175.102.21.221 remote port 500, local port 500.
*Dec 1 13:32:59:856 2020 H3C IKE/7/PACKET: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
I-COOKIE: becee6a471f438b2
R-COOKIE: 0000000000000000
next payload: SA
version: ISAKMP Version 1.0
exchange mode: Main
flags:
message ID: 0
length: 196
*Dec 1 13:32:59:856 2020 H3C IKE/7/PACKET: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
Sending an IPv4 packet.
*Dec 1 13:32:59:856 2020 H3C IKE/7/EVENT: vrf = 0, local = 58.240.44.62, remote = 175.102.21.221/500
Sent data to socket successfully.
%Dec 1 13:33:04:006 2020 H3C LOGIN/5/
- 2020-12-01提问
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看日志，IKE阶段1一直在重传
IPSEC 拍错思路
一、基础配置
地址，路由
二、确定感兴趣流
通过定义ACL来确定要保护的数据
三、部署IKE
IKE的keychain的部署
IKE profile的部署
四、安全联盟的部署【决定对数据进行怎样的加密和验证】
IPsec transform-set
protocol esp
ESP 的加密使用3-des
ESP 的验证使用sha1
五、IPsec policy的部署
IPsec policy 名称 序列号 isakmp//IKE协商
security acl
Ike-profile
transform-set
remote-address 对端地址//对端IPsec policy下发的接口所在地址
六、接口下发
在接口下输入：IPsec apply policy 名称
以上就是ipsec的配置注意事项
- 2020-12-01回答
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您好，请知：
关于IPSEC VPN无法建立，以下是排查要点，请参考：
1、检查两端的路由是否可达。
2、检查两端IPSEC VPN的加密算法、认证算法、认证密钥是否一致。
3、检查两端IPSEC VPN已相互指向。
4、检查两端IPSEC VPN模式是否都一致。
5、检查两端IPSEC VPN已正确下发到端口。
6、检查两端IPSEC VPN感兴趣数据流已正确指定了源和目的。
- 2020-12-01回答
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