[SATLUG] OT(?sorta) Linksys WCG200 - DHCP wrong (or bad) address with routing and NAT turned on

Jennie Haywood jehaywood at gmail.com
Sun Mar 30 15:12:56 CDT 2008


On Sun, Mar 30, 2008 at 2:54 PM, ed <horned0wl93 at gmail.com> wrote:
> Jennie Haywood wrote:
>  >
>  > hmm.... I'm getting the 72.48.68 and the 66.90.246 networks.
>  > One of the things I tried was setting up the 72 address they were
>  > sending me with a network mask of 255.255.254.0, which is the netmask
>  > that they are using on the 66 network. It looks like they are using
>  > the last 254 number of the subnet as the default gateway so put that
>  > in.   That didn't work.
>  >
>  >
>  Ok, Jeannie...  It looks like we're at least back in the same network,
>  as you might see below, with the 72.48.68.xx address being the major
>  trunk (Grandecom-market03-01), and the 66.90.246.xx being the local
>  network (SM hub, SA Net).  Its possible that the local DHCP server (69)
>  is wonky in some way, and either sending or defaulting DHCP requests
>  up-channel.  If that's the case, the up-channel DHCP server (72)
>  wouldn't know what to do with you (you're not at the right level on its
>  routing table), and might either reject or ignore you  -- its hard to
>  tell... Maybe this is some ammunition you could take back to them?
>
>  > 72.48.68.XX
>  >
>  > Grande Communications Networks, Inc. GRANDECOM-05 (NET-72-48-0-0-1)
>  >                                   72.48.0.0 - 72.48.255.255
>  > Grande Communications SAN ANTONIO HUB 1 GRANDECOM-MARKET03-01
>  > (NET-72-48-68-0-1)
>  >                                   72.48.68.0 - 72.48.69.255
>  >
>  >
>  > 66.90.246.XX
>  >
>  > OrgName:      Grande Communications Networks, Inc.
>  > OrgID:            GCNI
>  > Address:        401 Carlson Cir
>  > City:               San Marcos
>  > StateProv:     TX
>  > PostalCode:   78666
>  > Country:        US
>  >
>  > NetRange:   66.90.128.0 - 66.90.255.255
>  > CIDR:           66.90.128.0/17
>  > NetName:    GRANDECOM-01
>  > NetHandle:  NET-66-90-128-0-1
>  > Parent:         NET-66-0-0-0-0
>  > NetType:        Direct Allocation
>  > NameServer: NS1.LSN.NET
>  > NameServer: NS2.LSN.NET
>  > Comment:      ADDRESSES WITHIN THIS BLOCK ARE NON-PORTABLE
>  > RegDate:        2001-03-29
>  > Updated:        2003-06-20
>  >
>  > OrgAbuseHandle: ABUSE153-ARIN
>  > OrgAbuseName:   Abuse
>  > OrgAbusePhone:  +1-512-878-4000
>  > OrgAbuseEmail:  abuse at grandecom.com
>  >
>  > OrgTechHandle: IPSER2-ARIN
>  > OrgTechName:   IP Services
>  > OrgTechPhone:  +1-512-878-4000
>  > OrgTechEmail:  ipservices at grandecom.com
>  Whaddya think?
>


Thank you!  What's interesting is that the reported DHCP server for
that 66 network is at 192.168.5.4.

-- 
Jennie Haywood
----
Everyone is crazy. It's just a matter of degree.
--
The oak tree in your backyard is just a nut that held its ground.


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