组网如下
安全域安全策略全通
FW1:
bfd echo-source-ip 9.8.7.6
#
interface GigabitEthernet1/0
port link-mode route
ip address 10.10.20.10 255.255.255.0
session log enable ipv4 inbound
session log enable ipv4 outbound
bfd min-echo-receive-interval 300
bfd detect-multiplier 3
#
ip route-static 8.8.8.8 32 GigabitEthernet1/0 10.10.20.5 bfd echo-packet
FW2:
#
interface GigabitEthernet2/0
port link-mode route
ip address 10.10.20.5 255.255.255.0
bfd min-echo-receive-interval 300
bfd detect-multiplier 3
#
BFD的抓包显示:
S是自己配置的,目的是本机出接口的,源目MAC需要本机和对端
回包只需要把源目MAC调换回来即可
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