Re: [PLUG] Comcast @Home in South Jersey. DHCP

[Michael Bevilacqua <michael@clockbot.net>]

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Robert-

I use Redhat 7.1 which has issues with DHCP timeouts as well
and here is the fix that works for our lan:

in /etc/sysconfig/network-scripts/ifup verify that you have this
configuration:


if [ -n "${DYNCONFIG}" ]; then
    PUMPARGS=
    DHCPCDARGS="-d -t 180"               #this is new
    if [ -n "${DHCP_HOSTNAME}" ]; then
       PUMPARGS="-h ${DHCP_HOSTNAME}"
       DHCPCDARGS="DHCPCDARGS -h ${DHCP_HOSTNAME}"   #this is also
    fi
    if [ -n "${NEEDHOSTNAME}" ]; then
       PUMPARGS="${PUMPARGS} --lookup-hostname"
       DHCPCDARGS="${DHCPCDARGS} -H"
    fi
    if [ "${PEERDNS}" = "no" ]; then
       PUMPARGS="${PUMPARGS} -d"
       DHCPCDARGS="${DHCPCDARGS} -R"
    fi





Michael Bevilacqua
ASPRE, Inc.
MBevilacqua@aspre.net
http://www.aspre.net/

Managed e-Business that works
- ---------------------------------
the first exclusive e-Business Application Service Provider (ASP)

t. 215.957.2266 Ext. 2179
f. 215.957.2277

113 Rock Road
Horsham, PA 19044



On Thu, 7 Jun 2001, Michael Whitman wrote:

> I configure staticly.  They say they can shift your ip # but they havent
> for me in 2 years.
> Maybe your service is different.
>
>
> At 09:04 AM 6/7/2001 -0400, you wrote:
> >Hello:
> >
> >I recently signed up for Comcas's @Home cable service and am having
> >difficulty configuring my Debian Potato machine to use a dhcp client to
> >communicate with the service.
> >
> >The technician that I spoke to during the initial setup gave me the
> >current ip address, gateway, netmask, and DNS servers.  These work fine
> >when I configure /etc/network/interfaces like so:
> >
> >#Lan adapter
> >iface eth0 inet static
> >     address: 192.168.1.5
> >     network 192.168.1.0
> >     netmask  255.255.255.0
> >
> >#@Home adapter
> >iface eth1 inet static
> >     address <ip.address.from.comcast>
> >     network <ip.address.from.comcast>
> >     netmask 255.255.255.0
> >     gateway <gateway.address.from.comcast>
> >
> >
> >I just left my resolv.conf alone with my isp's nameservers and all is
> >well with my connection.  However the addresses I'm using are subject to
> >change without notice so a dynamic solution is necessary.
> >
> >I installed the dhcpcd package and added the following to
> >/etc/dhcpcd/config
> >
> >OPTIONS='-h "hostnamefromcomcast"'
> >
> >My /etc/hostname file reads as follows:
> >
> >hostnamefromcomcast
> >
> >and my /etc/hosts file contains the line:
> >
> >192.168.1.5 hostnamefromcomcast.tnvl1.nj.home.com
> >
> >
> >I thought this was all that was necessary but my syslog reflects
> >timeouts from dhcpc trying to get an address. (timeout is currently 60
> >seconds.)   Naturally when I try to   ifup eth1  I get a message telling
> >me that dhcpcd is not running because it timed out and died.
> >
> >If anyone has a similar configuration and know where I've gone wrong I'd
> >appreciate their input.  But please be gentle, my pride is damaged by
> >this defeat.
> >To add insult to injury I plugged the cable modem into a win2k box and
> >set the computer name to hostnamefromcomcast and the workgroup to @home
> >and dns and ip address to dynamic and the machine connected instantly
> >with tcp/ip settings that match the values provided by the comcast
> >technician.
> >
> >Thanks in advance:
> >
> >Robert Squire

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