[lug] routing

[Charles Morrison]

D. Stimits wrote:

> Don't forget, netmask is also very important. Perhaps the results of
> ifconfig from each machine needs to be listed.
> 
> D. Stimits, stimits at idcomm.com
> 


Be my guest. :o)

Not to mention the hosts file if you don't want to reference by IP 
number only.




> Charles Morrison wrote:
> 
>>Charles Morrison wrote:
>>
>>Don't you love people who reply to their own emails ?
>>
>>
>>>If what you're trying to do is have one card dedicated to communicate
>>>soley to one other machine, use different class C networks for each
>>>destination and it's associated card and have them be members of one
>>>network. This way you don't have to muck with routing tables.
>>>
>>OK, that's confusing. maybe some examples.
>>
>>network
>>        host IP(node1)  dest node        dest IP
>>10.1.12.x
>>  10.1.12.1      node2          10.1.12.2
>>10.1.13.x
>>  10.1.13.1      node3          10.1.13.3
>>10.1.14.x
>>  10.1.14.1      node4          10.1.14.4
>>
>>Keeping the node numbers as the last numbers of the IP should help keep
>>things straight. so the other nodes would be set up ...
>>
>>network
>>        host IP(node2)  dest node        dest IP
>>10.1.12.x
>>10.1.12.2
>>node1
>>        10.1.12.1
>>10.1.23.x
>>10.1.23.2
>>  node3         10.1.23.3
>>10.1.24.x
>>10.1.24.2
>>node4
>>        10.1.24.4
>>
>>network
>>        host IP(node3)  dest node        dest IP
>>10.1.13.x
>>  10.1.13.3      node1          10.1.13.1
>>10.1.23.x
>>  10.1.23.3      node2          10.1.23.2
>>10.1.34.x
>>  10.1.34.3      node4          10.1.34.4
>>
>>network
>>        host IP(node4)  dest node        dest IP
>>10.1.14.x
>>  10.1.14.4      node1          10.1.14.1
>>10.1.24.x
>>  10.1.24.4      node2          10.1.24.2
>>10.1.34.x
>>  10.1.34.4      node3          10.1.34.3
>>
>>The third set of numbers in the IP is the node to node number. Maybe
>>this is more confusing...
>>
>>
>>>
>>>>What's the next step?
>>>>
>>>>Is there a way for a machine to ping itself from eth0 to eth1 (e.g. the
>>>>onboard nic to a gig nic)?
>>>>
>>>>The nodes right now are vanilla redhat with the updates applied.
>>>>
>>>>Hugh
>>>>
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