Help needed to re-connect FreeBSD to internet

[Manish Jain]

On 03/09/16 13:39, chris at bsdjunk.com wrote:
> On 2016-03-09 01:59, Manish Jain wrote:
>> Hi,
>>
>> I am using a dual-boot machine Windows XP SP3 and FreeBSD 10.2 amd64,
>> using a Wi-Fi modem connected to the PC with a LAN cable. Till a
>> couple of days back, the systems had no issue connecting to internet
>> and the world seemed rosy. All of a sudden, yesterday disaster struck
>> and neither was able open up any site in the web browser.
>>
>> Help from the service provider got the Windows system working again. I
>> enabled Internet Connection Sharing and replaced DHCP with
>> 192.168.10.3 for the PC and 192.168.10.1 for the Wi-Fi modem
>> (default_router). While the Windows connects to the internet now, the
>> FreeBSD box remains stuck with roughly those same settings.
>>
>> ifconfig re0 :
>> re0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 
>> 1500
>> options=8209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,LINKSTATE> 
>>
>>
>>     ether 50:46:5d:66:fd:10
>>     inet 0.0.0.0 netmask 0xff000000 broadcast 255.255.255.255
>>     nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>>     media: Ethernet autoselect (100baseTX <full-duplex>)
>>     status: active
>>
>> pinging 192.168.1.1 produces 'no route to host' and 100.0% packet
>> loss. At boot-time, the system seems to attempt getting a DHCP lease
>> multiple times without success.
>>
>> cat /etc/resolv.conf :
>>
>> nameserver 192.168.1.1
>>
>> cat /etc/rc.conf :
>>
>> hostname="freebsd10dot2.amd64.local"
>> ifconfig_re0="DHCP"
>> sshd_enable="YES"
>> # Set dumpdev to "AUTO" to enable crash dumps, "NO" to disable
>> dumpdev="AUTO"
>> keyrate="fast"
>> apcupsd_enable="YES"
>> dbus_enable="YES"
>> hald_enable="YES"
>> gnome_enable="YES"
>> linux_enable="YES"
>> mysql_enable="YES"
>> fusefs_enable="YES"
>> atapicam_load="YES"
>> cupsd_enable="NO"
>>
>>
>> Can someone please point me to what might be the error/changes needed
>> for my FreeBSD box to connect to internet again ? Thank you.
>>
>> -- 
>> Regards,
>>
>> Manish Jain
> Hi,
>
> By the looks of it you changed the IP but forgot to add the default 
> route.
>
> http://handbook.bsdjunk.com/network-routing.html
>
> When using a static IP you're required to add in a infconfig_nic0="" 
> and defaultroute="" or else it has no where to route the packets.
>
> once you do that you can test using service netif restart && service 
> routing restart
>
> Chris
>
>

Hi Chris/Polytropon,

It worked ! The error I was making was using 'default_router' instead of 
'defaultrouter' in rc.conf. Using 'bsdconfig networking' sorted that out.

I still can't figure though why DHCP was working till the day before. 
Anyways, thanks a lot.

Regards
Manish Jain