Need help/advice configuring Samba for ClearCase and multiple network interfaces

[Lars Kneschke]

Eric Boehm wrote:
> 
> I'm looking for suggestions in configuring Samba for use with ClearCase and
> multiple network interfaces.
> 
> My "wish" is to be able to use a single UNC name for the Samba/ClearCase host
> and have a particular NT client use the "right" interface for their subnet.
> 
> I have interfaces on
> 
> 47.111.64.0/20
> 47.140.0.0/20
> 47.202.32.0/20
> 
> I have the interfaces listed in the "interfaces =" entry in smb.conf
> 
> However, there is a different hostname associated with each interface. NT
> clients on the different subnets would use a different hostname in their UNC
> name for my share, e.g.,
> 
> \\host1\vobstore for client 47.111.65.76
> \\host2\vobstore for client 47.140.7.148
> \\host3\vobstore for client 47.202.34.73
> 
> I would like some way for the UNC path to be
> 
> \\Some Name\vobstore
> 
> but have the client go through the interface appropriate for their subnet.
> 
> I can get a similar result with the automounter under UNIX if I have multiple
> IP addresses associated with a hostname in DNS. The automounter will select
> the right interface for the subnet.
> 
> Is this even possible? Do I need to use NetBIOS aliases? Do I need to have
> multiple IP addresses associated with "Some Name" and WINS/DNS will do the
> right thing?
You need to use 3 different smb.conf files. The important parameters
are:
interfaces = ip.ip.ip.ip
(samba will at least use this interfaces, in one smb.conf you need also
to bind to 127.0.0.1)

bind interfaces only=yes
(force samba to bind only the interfaces from above)

netbios name=netbios name
(use this netbios name)

then you can start smbd, nmbd, ... with the -s option, to use different
configfiles.


This should help you a little bit.

Cu
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