Date: Fri, 11 Sep 2015 23:15:22 -0400 From: Cary <lists@flederma.us> To: freebsd-questions <freebsd-questions@freebsd.org> Subject: dhclient(8) sets wrong interface netmask on boot up Message-ID: <55F398CA.7050308@flederma.us>
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QUESTION: How do I get dhclient to correctly set the interface netmask
when the system boots?
Once the system is booted, I cannot SSH into the system until I have
logged in via the console and restarted dhclient(8) (`service dhclient
restart em0`).
ACTIONS TAKEN:
I've installed 10.2-RELEASE[uname] from scratch.
My [/etc/rc.conf] specifies that the em0 interface should have dhclient
run on it.
Running ifconfig(8) prior (ifconfig-0.out) and post (ifconfig-1.out)
dhclient, I found that the netmask is set incorrectly after boot:
# ifconfig -a > ifconfig-0.out
# service dhclient restart em0
Stopping dhclient.
Starting dhclient.
DHCPREQUEST on em0 to 255.255.255.255 port 67
DHCPACK from 192.168.20.1
bound to 192.168.20.166 -- renewal in 43200 seconds.
# ifconfig -a > ifconfig-1.out
# diff ifconfig-0.out ifconfig-1.out
4c4
< inet 192.168.20.166 netmask 0xffffffff broadcast 192.168.20.166
---
> inet 192.168.20.166 netmask 0xffffff00 broadcast 192.168.20.255
My [/etc/dhclient.conf] file is unchanged from the system default.
The DHCP server is an residential wireless router. All other devices are
receiving DHCP configurations from the router without issue.
Thank you in advance for any assistance!
[uname] FreeBSD public.fbsd.local 10.2-RELEASE FreeBSD 10.2-RELEASE #0
r286666: Wed Aug 12 15:26:37 UTC 2015
root@releng1.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64
[/etc/rc.conf]
hostname="public.fbsd.local"
ifconfig_em0="DHCP"
cloned_interfaces="${cloned_interfaces} lo1"
sshd_enable="YES"
# Set dumpdev to "AUTO" to enable crash dumps, "NO" to disable
dumpdev="AUTO"
# enable ezjail
ezjail_enable="YES"
### EOF /etc/rc.conf ###
[/etc/dhclient.conf]
### empty file
--
Cary Mathews
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