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sco dhcp client 8 character uname


© December 2004 (various authors)

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From: Jeff Liebermann <jeffl@comix.santa-cruz.ca.us>
Newsgroups: comp.unix.sco.misc
Subject: Re: dhcpc with AT&T @ home cable modem
Date: Sun, 17 Sep 2000 21:55:22 -0700
Message-ID: <f27bss8fc9utijf9uog7afdd6ucdaqjfrj@4ax.com> 
References: <kgf7ss4kfva0oudgigeljh4d2oso2gjtc6@4ax.com>
<8q3u3j$crd$1@hobbes.sco.com> On 18 Sep 2000 02:19:31 GMT, evanh@sco.COM (Evan Hunt) wrote: >>In addition, I am uncertain where my machine name should be listed. >>My assigned machine name from att is c132176-c. uname -S will not >>accept that name. When i added the nic card, i specified that name. > >Uname doesn't like it because it's more than 8 characters long.

I just knew that the 8 character system name would bite some day.
@Home requires that the host name be whatever they assign.  See:
    How to setup the BEFSR41 to work with your Cable Modem
    using a dynamic IP address
        https://www.linksys.com/support/kb.asp?kbid=112
for a hint.  The reason for this is that the customer can supply their
own cable modem and router so tracking customer ID's by MAC address is
not feasable.  So, they use the account number as the hostname.  It also
supposidly prevents the customer from attaching more than one cable modem
as both will have the same hostname.

>At a wild guess, you might want to put "hostname:c132176-c" (on a
>line by itself) into your dhcpc.conf file.  Perhaps the reason you're
>not getting responses to the queries is that the server wants you to
>identify yourself with that hostname.  Worth a shot, anyway.

That will work.  I've also tricked DHCP by adding an extra long system
name into the file:
        /etc/systemid
However, that was a while back and I don't recall if there were any side
effects.  I put the system name into /etc/systemid *TWICE* on two lines
as in:
        c132176-c
        c132176-c
However, methinks that the dhcpc.conf hostname tweak will be sufficient.

Also, don't forget to tweak the maximum receive window in
/etc/default/inet and /etc/tcp.  I use 32768 for DSL and 65536 for Cable.


-- 
Jeff Liebermann   jeffl@comix.santa-cruz.ca.us
150 Felker St #D  Santa Cruz CA  95060
831-421-6491 pager   831-429-1240 fax
https://www.cruzio.com/~jeffl/sco/   SCO stuff




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