跨不同DMZ部署Keepalived时出现Receive advertisement timeout故障排查求助
跨不同DMZ部署Keepalived时出现Receive advertisement timeout故障排查求助
各位大佬好,我最近在两台分属不同DMZ的服务器上部署Keepalived,已经开放了所有必要的端口,两台服务器之间能正常通信,但启动Keepalived后,两台机器的日志里都出现了以下报错:
Mon Oct 10 22:03:18 2022: (xxxx22) Receive advertisement timeout
Mon Oct 10 22:03:18 2022: (xxxx22) Entering MASTER STATE
两台服务器的Keepalived配置详情:
Master服务器配置:
vrrp_instance server1 { state Master interface ens01 //10.41.134.101/27 virtual_router_id 253 priority 200 advert_int 1 virtual_ipaddress { 10.41.176.98/27 dev ens01 } }
Backup服务器配置:
vrrp_instance server2 { state Backup interface ens01 //10.41.176.97/27 virtual_router_id 253 priority 150 advert_int 1 virtual_ipaddress { 10.41.176.98/27 dev ens01 } }
网络拓扑说明
我整理了对应的Keepalived网络拓扑图(标注为:Keepalived diagram)
目前我已经尝试过切换多播和单播模式,但问题依然存在,想请教下各位,可能的故障原因是什么?会不会是防火墙拦截了VRRP的广播包?
备注:内容来源于stack exchange,提问作者André Bolinhas
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