以下是一些官方技术文档的链接，可以了解更多关于 VRRP MD5 认证的内容：
RFC 5798 - Virtual Router Redundancy Protocol (VRRP) Version 3 for IPv4 and IPv6 https://tools.ietf.org/html/rfc5798
HPE FlexNetwork MSR Router Series - VRRP Configuration Examples https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-c03896062
Cisco IOS IP Application Services Command Reference, Release 12.2 - Configuring Virtual Router Redundancy Protocol https://www.cisco.com/c/en/us/td/docs/ios/ipapp/command/reference/iap_book/iap_vrrp.html
Juniper Networks Technical Documentation - Understanding VRRP Authentication with MD5 Algorithm https://www.juniper.net/documentation/en_US/junos/topics/topic-map/vrrp-authentication-md5-algorithm-understanding.html
