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Old 06-19-2008, 09:33 AM   #1
cov
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unable to ping hostname


Hi,

I have the following network:

Code:
----------
|Internet|
----------
    |
 --------------           ------------------
|Wireless Modem| ))----(( |'admin2' on DHCP |
| on 10.0.0.*  |      |    ------------------
 --------------       |     ------------------
    |                  -(( |'client1' on DHCP |
    |wired                  ------------------
    |
 ----------------
|Wireless Router |           ------------------
| on 192.168.0.* | ))----(( |'client2' on DHCP |
 ----------------            ------------------
'admin2' and 'client1' are connected wirelessly to the modem which is allocating DHCP on the 10.0.0.0 subnet. 'client2' is connecting wirelessly to the wireless router which is allocating DHCP on the 192.168.0.0 subnet.

I can ping 'admin2' from 'client1', but I cannot ping 'admin2' from 'client2'. However, I can ping 10.0.0.6 (which is the address allocated by the wireless modem) from 'client2'.

Is there a way to resolve 'admin2' so that 'client2' can ping it by name?

Or should I just allocate a static ip to 'admin2'?

'client1' and 'client2' are running XP and 'admin2' is running Ubuntu.
 
Old 06-19-2008, 11:52 AM   #2
rajwinder
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I think .. if u want to ping by name then atlest u require some service like WINS ( to resolve netbios names) or u can put a local host entry for this particualr host with IP ( that u said u can ping)
 
Old 06-19-2008, 12:14 PM   #3
cov
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Quote:
Originally Posted by rajwinder View Post
I think .. if u want to ping by name then atlest u require some service like WINS ( to resolve netbios names) or u can put a local host entry for this particualr host with IP ( that u said u can ping)
Well...

The hostname resolves in the 10.0.0.* subnet. It's only on the 192.168.0.* subnet that the hostname isn't seen...
 
Old 06-19-2008, 01:17 PM   #4
kenoshi
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I'm going to make some assumptions from what you are saying here:

1. You can ping the IP address of admin2 directly from client2
2. You can't ping admin2 by hostname
3. admin2 probably has nmbd enabled
4. admin2 and client1 gets address via DHCP from the modem, while client2 gets address via DHCP from the router

Netbios doesn't work across subnets, so client2 won't resolve. Easiest thing to do is set up admin2 as your wins server (see Samba docs for more information), and set up client1 and client2 to point to it for wins/netbios resolution.

Hope this helps.
 
Old 06-19-2008, 02:02 PM   #5
cov
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Quote:
Originally Posted by kenoshi View Post
I'm going to make some assumptions from what you are saying here:

1. You can ping the IP address of admin2 directly from client2
2. You can't ping admin2 by hostname
Yes, that's it.
Quote:
Originally Posted by kenoshi View Post
3. admin2 probably has nmbd enabled
Not sure. I don't think it had nmbd, but I installed samba in an attempt to resolve the problem.
Quote:
Originally Posted by kenoshi View Post
4. admin2 and client1 gets address via DHCP from the modem, while client2 gets address via DHCP from the router
Yes, that makes sense.
Quote:
Originally Posted by kenoshi View Post

Netbios doesn't work across subnets, so client2 won't resolve. Easiest thing to do is set up admin2 as your wins server (see Samba docs for more information), and set up client1 and client2 to point to it for wins/netbios resolution.
Yes, that's what I'm thinking.
I've installed samba and set the following in smb.conf
wins support = yes
name resolve order = wins lmhosts hosts bcast
How can I point to admin2 though? No problem for client1, but client2 doesn't know the name of admin2 and it's ip varies.
Quote:
Originally Posted by kenoshi View Post

Hope this helps.
Well, sort of...
 
  


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