Problem ping

good afternoon
I’m having a problem with a POP access, the following message appears when a ping to radio:

172.16.30.237 92 byte redirect host (5:1) time=3 ms
172.16.200.190 64 byte ping: ttl=254 time=6 ms
172.16.200.190 64 byte ping: ttl=254 time=8 ms
172.16.200.190 64 byte ping: ttl=254 time=7 ms
172.16.30.237 92 byte redirect host (5:1) time=3 ms
172.16.200.190 64 byte ping: ttl=254 time=6 ms
172.16.30.237 92 byte redirect host (5:1) time=4 ms
172.16.200.190 64 byte ping: ttl=254 time=8 ms
172.16.30.237 92 byte redirect host (5:1) time=4 ms
172.16.200.190 64 byte ping: ttl=254 time=21 ms
172.16.30.237 92 byte redirect host (5:1) time=13 ms
172.16.200.190 64 byte ping: ttl=254 time=26 ms
172.16.30.237 92 byte redirect host (5:1) time=2 ms
172.16.200.190 64 byte ping: ttl=254 time=4 ms


anyone know what might be?
thankful to all

Already been discussed:
http://forum.mikrotik.com/viewtopic.php?f=2&t=38709&start=0&hilit=icmp+redirect