5.6 双机热备联动BFD

1.BFD 双向转发监测，BFD协议使用消息，BFD消息，该消息通常不被拦截。两端基于标识符方式进行探测，本地标识符和远端标识符。

2.FW1配置

bfd
quit
bfd 1 bind peer-ip 10.4.0.5 source-ip 10.3.0.1
 discriminator local 123
 discriminator remote 321
min-rx-interval 1000
min-tx-interval 1000
commit

3.R5配置

bfd
quit
bfd 1 bind peer-ip 10.3.0.1  source-ip 10.4.0.5
 discriminator local 321
 discriminator remote 123
min-rx-interval 1000
min-tx-interval 1000
commit

dis bfd session all
Local Remote     PeerIpAddr      State     Type        InterfaceName            
321   123        10.3.0.1        up      S_IP_PEER         -