[4019] in North American Network Operators' Group
Re: :)
daemon@ATHENA.MIT.EDU (Enke Chen)
Wed Sep 4 16:11:07 1996
To: "roy alcala" <roy@mci.net>
cc: Christian Nielsen <cnielsen@vii.com>, nanog@merit.edu, enke@mci.net
In-reply-to: Your message of "Wed, 04 Sep 1996 15:23:03 EDT."
<199609041923.PAA06295@postoffice.Reston.mci.net>
Date: Wed, 04 Sep 1996 15:41:44 -0400
From: Enke Chen <enke@mci.net>
BTW, core4.wsp.mci.net did not show up in the traceroute
due to a bug in the code that we are running. (The bug
has been fixed in a later version.)
The direct interconnection between MCI and Sprint is in
the Chicago area rather than in Denver. The connection
speed is OC12 rather than DS3 :-)
-- Enke
> Date: Wed, 04 Sep 1996 15:23:03 -0400
> From: "roy alcala" <roy@mci.net>
> To: Christian Nielsen <cnielsen@vii.com>
> CC: nanog@merit.edu
>
> This is a private interconnect between Sprint and MCI, and the serial
> subnet comes out of address space assigned to MCI (so the inverse
> mapping is handled by MCI as well). We didn't really know what map
> the inverse address to in the PTR record, but we wanted it to have
> *some* mapping, so we just picked an arbitrary hostname.
>
> We'd be happy to change this mapping to some other hostname (or CNAME
> the inverse address), if the Sprint folks would prefer something
> different :-)
>
> The other end of the link has a more-descriptive DNS entry:
>
> roy@ns% host -t ptr 89.77.157.206.in-addr.arpa
> 89.77.157.206.in-addr.arpa PTR core4-hssi5-0.WillowSprings.mci.net
>
> - roy -
>
> -------------------------------------------------------------------------
> | roy alcala | MCI |
> | IP Development | 2100 Reston Parkway |
> | roy@mci.net | Reston, Virginia 22091 |
> | beep-roy@mci.net (pager) | (703) 715-7425 |
> | (800) SKY-PAGE PIN 1633689 | (703) 715-7066 FAX |
> -------------------------------------------------------------------------
>
>
> >
> >I guess sometimes they don't like to tell us what kind of link they have.
> >
> > 4 core1-fddi-1.Denver.mci.net (204.70.3.113) 208 ms 29 ms 19 ms
> > 5 somerouter.sprintlink.net (206.157.77.90) 84 ms 90 ms *
> > 6 somerouter.sprintlink.net (206.157.77.90) 86 ms 88 ms 88 ms
> > 7 * sl-chi-6-F0/0.sprintlink.net (144.228.50.6) 168 ms 92 ms
> >
> >
> >
> >Christian
> >