1689002731,

问题描述：

BFD配置：

track 1024 BFD echo interface Ten-GigabitEthernet2/0/45 remote ip 10.98.252.9 local ip 10.98.252.10 

BFD状态为Down：

 IPv4 session working in echo mode: 

ping对端地址正常：

ping -a 10.98.252.10 10.98.252.9 

Ping 10.98.252.9 (10.98.252.9) from 10.98.252.10: 56 data bytes, press CTRL+C to break 

56 bytes from 10.98.252.9: icmp_seq=0 ttl=255 time=2.143 ms 

56 bytes from 10.98.252.9: icmp_seq=1 ttl=255 time=1.792 ms 

56 bytes from 10.98.252.9: icmp_seq=2 ttl=255 time=1.785 ms 

56 bytes from 10.98.252.9: icmp_seq=3 ttl=255 time=2.437 ms 

56 bytes from 10.98.252.9: icmp_seq=4 ttl=255 time=3.357 ms 

 --- Ping statistics for 10.98.252.9 --- 5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss round-trip min/avg/max/std-dev = 1.785/2.303/3.357/0.580 ms 

组网及组网描述：

两台交换机直连，其中一台做BFD单臂探测

6小时前提问

可以参考这个案例：

1.6.5  静态路由、Track与BFD联动配置举例

https://www.h3c.com/cn/d_

可以看看这个是不是配置了

bfd echo-source-ip  

6小时前回答

暂无

你正在内容来源：知了社区,MSR3640 BFD探测状态Down，Ping正常