无线2个AC间漫游建立不成功

WX2510H和WX2540H2个AC之间漫游IACTP隧道无法建立

WX2510H AC:

Mobility group name: officewifi 

Tunnel type: IPv4 

 Source IPv4: 10.10.86.1 

 Source IPv6: Not configured 

 Authentication method: MD5 

 Mobility group status: Enabled 

 Member entries: 3 

 IP address        State        Online time 

 10.10.239.27    DOWN      00hr 00min 00sec

WX2540H AC

Mobility group name: officewifi 

 Tunnel type: IPv4 

 Source IPv4: 10.10.239.27 

 Source IPv6: Not configured 

 Authentication method: MD5 

 Auto discovery: Disabled 

 Mobility group status: Enabled 

 Member entries: 3 

 IP address     State         Online time 

 10.10.86.1     DOWN      00hr 00min 00sec

WX2540H

wlan mobility group officewifi
source ip 10.10.239.27
member ip 10.10.86.1

authentication-mode md5 simple net

group enable  

WX2510H

 wlan mobility group officewifi

source ip 10.10.86.1

member ip 10.10.239.27

authentication-mode md5 simple net

group enable

互相能ping 

Ping 10.10.86.1 (10.10.86.1): 56 data bytes, press CTRL_C to break 

56 bytes from 10.10.86.1: icmp_seq=0 ttl=254 time=0.720 ms 

56 bytes from 10.10.86.1: icmp_seq=1 ttl=254 time=0.414 ms 

56 bytes from 10.10.86.1: icmp_seq=2 ttl=254 time=0.423 ms 

56 bytes from 10.10.86.1: icmp_seq=3 ttl=254 time=0.464 ms 

56 bytes from 10.10.86.1: icmp_seq=4 ttl=254 time=0.384 ms 

--- Ping statistics for 10.10.86.1 --- 

5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss 

round-trip min/avg/max/std-dev = 0.384/0.481/0.720/0.122 ms