[Samba] BDC nmblookup and net getlocalsid not working

[Patricio A. Bruna]

I had a similar problem, im still researching for a better solution. 
What i did was use the remote announce option in every BDC and the PDC. 

----- Mensaje Original ----- 
De: Edward Polak <epolak at mcco.nl> 
Para: samba at lists.samba.org 
Enviados: miércoles 8 de noviembre de 2006 14H23 GMT-0400 America/Santiago 
Asunto: [Samba] BDC nmblookup and net getlocalsid not working 

Hi, 

After lots of struggle and rtfm I finally got most things running, except 
for 'nmblookup' and 'net getlocalsid' on the BDC. I'm not new to Samba, but 
plenty more to learn. Here's the setup in summary: 
system pdc is the PDC on subnet 192.168.0.0, running SuSE10.1, LDAP master, 
wins server, domain master browser, no iptables; 
system bdc is the BDC on subnet 192.168.2.0, running SuSE10.0, LDAP slave, 
local master browser, iptables 
Both are Samba3.0.2x and they share the same Workgroup name. These subnets 
are connected through an IPsec tunnel. 

The iptables firewall on bdc does not block port 138/139/445 between 
subnets. LDAP replicates fine (I've checked), users can login to their 
roaming profiles, etc. 
When I check the local Windows network, I see all resources on both subnets 
and I can connect to the shares on both ends etc. 

The only thing that remains a mystery to me is why nmblookup doesn't give an 
answer when looking up accross subnets. I increased the log level on the bdc 
to 4, hoping it might reveal something useful. 

pdc:/ # nmblookup pdc 
querying pdc on 192.168.0.255 
192.168.0.3 pdc<00> 

pdc:/ # nmblookup bdc 
querying bdc on 192.168.0.255 
name_query failed to find name bdc 

pdc:/ # smbclient -L pdc 
success, all services, shares and workstations are listed 

bdc:/ # nmblookup bdc 
debug_lookup_classname(nmbd): Unknown class 
added interface ip=192.168.2.3 bcast=192.168.2.255 nmask=255.255.255.0 
querying bdc on 192.168.2.255 
Got a positive name query response from 192.168.2.3 ( 192.168.2.3 ) 
192.168.2.3 bdc<00> 

bdc:/ # nmblookup pdc 
debug_lookup_classname(nmbd): Unknown class 
added interface ip=192.168.2.3 bcast=192.168.2.255 nmask=255.255.255.0 
querying pdc on 192.168.2.255 
name_query failed to find name pdc 

bdc:/ # smbclient -L pdc 
success, all services, shares and workstations are listed 

pdc:/ # net getlocalsid 
SID for domain THEDOMAIN is: S-1-5-21-1234567890-1234567890-1234567890 

bdc:/ # net getlocalsid 
[2006/11/08 12:53:58, 0] utils/net.c:net_getlocalsid(494) 
Can't fetch domain SID for name: BDC 

To complete the picture, running 'nbtstat -a bdc' and 'nbtstat -a pdc' works 
just fine from the local Windows client's DOS prompt. So does 'net view pdc' 
and 'net view bdc'. 

I've read many similar questions on various mailinglists but didn't find the 
answer and I've read the Samba3-HOWTO (or most of it, anyway). Everything 
else works, so I basically have happy users, but it worries me a bit that 
it's not working like it should (I guess). 
What could be wrong here? I'm lost. 

Let me know if you need more info. 

Big thanks in advance, 
EdP 


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