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samba-users: Re: [Samba] multi-homed samba PDC and NetApp filers

Re: [Samba] multi-homed samba PDC and NetApp filers

From: John H Terpstra <jht_at_nospam>
Date: Sat May 15 2010 - 01:40:42 GMT
To: "Carl G. Riches" <cgr@u.washington.edu>

On 05/14/2010 07:14 PM, Carl G. Riches wrote:
> We are having a problem getting a NetApp filer to re-join a samba
> domain after a move to a new network. The filer worked fine with
> samba before the move. Apologies in advance for the long missive.
>
> I've tried the following:
>
> - re-running the CIFS setup program on the filer
> - removing the problem filer's samba account, replacing it, and
> re-running the setup program on the filer
> - creating a new machine account on the samba server and re-
> running the setup program on the filer
>
> None of these worked. I also looked through a number of mailing
> list postings about NetApp filers and samba but didn't find any-
> thing to help.
>
> Has anyone gone through this before and provide insight into
> this problem?

Do you happen to specify in your /etc/samba/smb.conf file:
        interfaces = "list of interfaces"
        bind interfaces only = Yes

If so, remove them, then retry the domain join. After successfully
joining you ca re-enable these parameters.

Please let me know if that is the solution.

Cheers,
John T.

> We have the following:
>
> samba server:
> Red Hat Enterprise Linux 5.3
> kernel 2.6.18 i868
> samba 3.0.33
> multiple network interfaces: 10.142.36.64/27
> 10.142.36.96/27
> 10.142.36.192/26
>
> NetApp filer #1:
> NetApp Release 7.2.4L1
> connected through VPN to samba server network 10.142.36.192/26
>
> NetApp filer #2:
> NetApp Release 7.3.1.1
> connected through VPN to samba server network 10.142.36.64/27
>
> Each filer can ping the samba server. CIFS connections from each
> filer are registered by the samba server and are logged in the file:
> 0.0.0.0.log
>
> Each of the filers moved to a new network. Filer #1 rejoined the
> domain but filer #2 can't.
>
> A tcpdump of the unsuccessful transaction is:
> 10:42:38.137963 IP gcc-fs1.netbios-ns > mead.netbios-ns: NBT UDP
> PACKET(137): MULTIHOMED REGISTRATION; REQUEST; UNICAST
> 10:42:38.138165 IP mead.netbios-ns > gcc-fs1.netbios-ns: NBT UDP
> PACKET(137): WACK; POSITIVE; RESPONSE; UNICAST
> 10:42:58.270693 IP mead.netbios-ns > gcc-fs1.netbios-ns: NBT UDP
> PACKET(137): REGISTRATION; NEGATIVE; RESPONSE; UNICAST
> 10:44:11.627124 IP gcc-fs1.netbios-ns > mead.netbios-ns: NBT UDP
> PACKET(137): MULTIHOMED REGISTRATION; REQUEST; UNICAST
> 10:44:11.627292 IP mead.netbios-ns > gcc-fs1.netbios-ns: NBT UDP
> PACKET(137): WACK; POSITIVE; RESPONSE; UNICAST
> 10:44:32.309202 IP mead.netbios-ns > gcc-fs1.netbios-ns: NBT UDP
> PACKET(137): REGISTRATION; NEGATIVE; RESPONSE; UNICAST
> 10:45:45.665702 IP gcc-fs1.netbios-ns > mead.netbios-ns: NBT UDP
> PACKET(137): MULTIHOMED REGISTRATION; REQUEST; UNICAST
> 10:45:45.665803 IP mead.netbios-ns > gcc-fs1.netbios-ns: NBT UDP
> PACKET(137): WACK; POSITIVE; RESPONSE; UNICAST
> 10:46:06.312676 IP mead.netbios-ns > gcc-fs1.netbios-ns: NBT UDP
> PACKET(137): REGISTRATION; NEGATIVE; RESPONSE; UNICAST
>
> Part of the samba log 0.0.0.0.log related to filer #2 is:
>
> [2010/05/14 16:54:52, 3]
> nmbd/nmbd_winsserver.c:wins_process_name_registration_request(1138)
> wins_process_name_registration_request: Group name registration for
> name UWT-15<00> IP 10.208.235.134
> [2010/05/14 16:54:52, 3]
> nmbd/nmbd_winsserver.c:wins_process_name_registration_request(1222)
> wins_process_name_registration_request: Adding IP 255.255.255.255 to
> group name UWT-15<00>.
> [2010/05/14 16:54:52, 4] nmbd/nmbd_packets.c:reply_netbios_packet(940)
> reply_netbios_packet: sending a reply of packet type: wins_reg
> UWT-15<00> to ip 10.208.235.134 for id 39786
> [2010/05/14 16:54:52, 4] libsmb/nmblib.c:debug_nmb_packet(112)
> nmb packet from 10.208.235.134(137) header: id=39786
> opcode=Registration(5) response=Yes
> header: flags: bcast=No rec_avail=Yes rec_des=Yes trunc=No
> auth=Yes
> header: rcode=0 qdcount=0 ancount=1 nscount=0 arcount=0
> answers: nmb_name=UWT-15<00> rr_type=32 rr_class=1 ttl=345600
> answers 0 char ...... hex E0000AD0EB86
> [2010/05/14 16:54:52, 5] libsmb/nmblib.c:send_udp(779)
> Sending a packet of len 62 to (10.208.235.134) on port 137
>
>
> Thanks,
> Carl
>
>

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