Date: Sun, 18 May 2003 20:14:22 -0400 From: "Bob Hall" <rjhalljr@starpower.net> To: freebsd-questions@freebsd.org Subject: Re: Cable modem & DHCP Message-ID: <20030519001421.GB653@sten.alder.net> In-Reply-To: <MIEPLLIBMLEEABPDBIEGCEGODNAA.barbish@a1poweruser.com> References: <20030518052814.GA484@sten.alder.net> <MIEPLLIBMLEEABPDBIEGCEGODNAA.barbish@a1poweruser.com>
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On Sun, May 18, 2003 at 09:42:30AM -0400, JoeB wrote:
> Are you using a crossover cable between the cable modem and your
> FBSD box?
Yes. The ethernet light comes on when both the modem and the computer
are running. That means that there's a connection at the link layer, so
the cable should be good. The light does not come on when I use a
"straight through" cable.
Additional info:
$ less dhclient.leases
lease {
<some info deleted>
renew 4 2003/5/15 10:59:57;
rebind 5 2003/5/16 13:59:57;
expire 5 2003/5/16 22:59:57;
}
The lease seems to have expired and dhclient hasn't updated it.
I thought maybe the "default to deny" firewall might be stopping
dhclient from querying the DHCP server, so I compiled a
default-to-allow kernel as a test, but that didn't help. At some
point, dhclient was working, but I was wrapped up in another
problem and didn't notice, and I haven't been able to get it to
update the lease since. I did check to make sure that dhclient is
binding to port 68.
> -----Original Message-----
> From: owner-freebsd-questions@freebsd.org
> [mailto:owner-freebsd-questions@freebsd.org]On Behalf Of Bob Hall
> Sent: Sunday, May 18, 2003 1:28 AM
> To: freebsd-questions@freebsd.org
> Subject: Cable modem & DHCP
>
> I'm trying to connect a FBSD box to a cable modem. I'm getting
> the following message at startup immediately after the dmesg lines
> relating to rlphy0:
> ifconfig: ioctl (SIOCDIFADDR): Can't assign requested
> address.
>
> I assume that refers to
> ifconfig_rl0="DHCP"
> but I have no idea how to fix it so that the address gets assigned.
> The FBSD box is the gateway for my LAN, and I normally run NAT and
> an ipfw firewall w/ tcp.blackhole and udp.blackhole set to 2, but
> I've disabled NAT and the firewall and reset blackhole to 0 for both
> protocols while I try to set up the cable modem. Can anyone tell me
> how to assign the requested address?
>
> configuration info:
> $ uname -a
> FreeBSD sten.alder.net 4.4-RELEASE FreeBSD 4.4-RELEASE #0: Sat Dec
> 7 18:48:43 E
> ST 2002 root@sten.alder.net:/usr/src/sys/compile/STEN2 i386
>
> $ less rc.conf
> hostname="sten.alder.net"
> inetd_enable="YES"
>
> network_interfaces="rl0 lo0"
> ifconfig_rl0="DHCP"
> ifconfig_lo0="inet 127.0.0.1"
>
> kern_securelevel_enable="NO"
> firewall_enable="NO"
>
> named_enable="YES"
> named_flags="-b /etc/namedb/named.conf"
>
> portmap_enable="YES"
>
> $ ifconfig rl0
> rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> inet 0.0.0.0 netmask 0xff000000 broadcast 255.255.255.255
> ether 00:40:05:80:44:4b
> media: Ethernet autoselect (100baseTX <full-duplex>)
> status: active
>
> $ netstat -r
> Routing tables
> Internet:
> Destination Gateway Flags Refs Use Netif
> Expire
> 0 link#4 UC 1 0 rl0
> =>
> default 192.168.0.1 UGSc 26 3 rl0
> 0.255.255.255 ff:ff:ff:ff:ff:ff UHLWb 3 9 rl0
> localhost localhost UH 0 2 lo0
>
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