rpcinfo -p returns "can't contact portmapper: RPC: Timed out"

Issue

• Problems when using rpcinfo with a remote host
• We have problems when running the command "rpcinfo -p host_remoto", we are getting error.

[root@hostname ~]# rpcinfo -p bvtolremai01
rpcinfo: can't contact portmapper: RPC: Timed out 

• The command "rpcinfo -p" ran directly from the remote machine works properly:

[root@hostname ~]# rpcinfo -p
   program version netid     address                service    owner
    100000    4    tcp6      ::.0.111               portmapper superuser
    100000    3    tcp6      ::.0.111               portmapper superuser
    100000    4    udp6      ::.0.111               portmapper superuser
    100000    3    udp6      ::.0.111               portmapper superuser
    100000    4    tcp       0.0.0.0.0.111          portmapper superuser
    100000    3    tcp       0.0.0.0.0.111          portmapper superuser
    100000    2    tcp       0.0.0.0.0.111          portmapper superuser
    100000    4    udp       0.0.0.0.0.111          portmapper superuser
    100000    3    udp       0.0.0.0.0.111          portmapper superuser
    100000    2    udp       0.0.0.0.0.111          portmapper superuser
    100000    4    local     /var/run/rpcbind.sock  portmapper superuser
    100000    3    local     /var/run/rpcbind.sock  portmapper superuser
    390600   20    tcp6      ::.7.228               arserverd  unknown
    390601   20    tcp6      ::.7.228               arserverd  unknown
    390619   20    tcp6      ::.7.228               arserverd  unknown
...
....
    390699   20   tcp   2020
    390695    1   tcp  32529  arserverd
    390695    2   tcp  32529  arserverd
    390695    3   tcp  32529  arserverd
    390695    4   tcp  32529  arserverd

• If we restart the "rpcbind" service, it works with the first request, but it happens the same issue with the following ones.