isis三种认证方式

ISIS协议支持三种认证方式：接口认证、区域认证和路由域认证。接口认证是对Hello报文进行认证，用于确认邻居的可靠性，只有接口认证可以影响邻居的建立。接口认证可以选择明文认证或MD5认证方式。区域认证是对L1的SNP报文和LSP报文进行认证，而路由域认证是对L2的SNP和LSP报文进行认证。在默认情况下，ISIS路由器不进行认证，也没有认证字段。当配置认证时，ISIS的认证是通过携带TLV字段实现的。\[1\]\[2\]
#### 引用[.reference_title]
- *1* [ISIS认证概述](https://blog.csdn.net/qq_46402409/article/details/122100549)[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^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [IS-IS详解（十五）——IS-IS 认证](https://blog.csdn.net/weixin_40228200/article/details/120069969)[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^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
- *3* [HCIE-RS论述ISIS认证](https://blog.csdn.net/m0_45364989/article/details/124890732)[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^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
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