ensp的ipsec

回答: 根据引用\[1\]和引用\[2\]的内容，ensp的IPSec VPN配置需要注意以下几点。首先，需要编写两条ACL，一条用于IPSec的感兴趣流，另一条用于外网流量的匹配。其次，IPSec VPN的配置较为复杂，需要注意VPN两边参数的一致性，否则可能导致VPN无法建立。另外，IPSec配置的顺序也需要注意。最后，还需要进行Easy-ip配置。根据引用\[3\]的内容，可以看到在配置中需要确保安全联盟出方向的SPI与对端入方向的SPI一致。
#### 引用[.reference_title]
- *1* [基于Ensp的IPsec 实验](https://blog.csdn.net/WANGMH13/article/details/126119678)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down1,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [ENSP防火墙综合实验（GRE、IPSec、NAT通信）【防火墙安全策略】](https://blog.csdn.net/JohnnyG2000/article/details/124834586)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down1,239^v3^insert_chatgpt"}} ] [.reference_item]
- *3* [ENSP配置IPSEC 实验](https://blog.csdn.net/WANGMH13/article/details/126105238)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down1,239^v3^insert_chatgpt"}} ] [.reference_item]
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