cannot ping anything

Fri Jan 20 11:44:11 PST 2006

See if you can ping your own interface.  You should be able to ping it on 
both the loop back 127.0.0.1 and the 192.168.1.128 address.

If you can ping those and still not the router at 192.168.1.1 check for 
other defaultrouter statements.  If you have only one of these statements, 
I would bring down the interface and bring it up manually until you find 
the correct settings.  For instance you may need to set the line speed 1t 
10 MBs, or 100 MBs or 1000 Mbs, or set the duplex setting.  Oh and check 
the LED's on your ethernet interface and router and hub/switches to be sure 
you didn't knock a cable loose.

         -Derek

At 12:50 PM 1/20/2006, Alvaro J. Gurdián wrote:
>thanks, but the defaultrouter line was already present in my /etc/rc.conf.
>
>On Jan 20, 2006, at 1:32 PM, Derek Ragona wrote:
>
>>Check your /etc/rc.conf for this line:
>>defaultrouter="192.168.1.1"
>>
>>add it and reboot if it is missing
>>
>>         -Derek
>>
>>
>>At 12:26 PM 1/20/2006, Alvaro J. Gurdián wrote:
>>>Yesterday I placed an HD with Freebsd 5.3 release in a Dell Dimension 
>>>L800CXE.  It booted properly. ( since it's running a generic kernel with 
>>>only a name change)
>>>
>>>However I could not ping anything inside or outside the LAN.
>>>Ex:
>>>ping google.com
>>>ping: cannot resolve google.com: Hostname lookup failure
>>>
>>>ping 192.168.1.1
>>>ping: sendto: No route to host
>>>
>>>I tried several addresses inside the LAN, 127.0.0.1, localhost, 
>>>192.168.1.128, and all gave the same result.
>>>
>>>I was previously using this HD in another machine to test IPF, with NAT 
>>>also, and it worked peerfectly there.
>>>
>>>
>>>So just to be safe I erased the contents of /etc/rc.conf, and then used 
>>>sysinstall to bring up my NIC.  I  chose NO for IPv6, and YES for DHCP.
>>>
>>>That seemed to work correctly, just to be sure I ran ifconfig:
>>>dc0: flags=108843<UP,BROACAST,RUNNING,SIMPLEX,MULTIPLY> MTU 1500
>>>         options=8<VLAN_MTU>
>>>         inet 192.168.1.128 netmask 0xffffff00 broadcast 192.168.1.255
>>>         ether 00:80:ad:81:1a:9f
>>>         media: Ethernat autoselect (100baseTX)
>>>         status: active
>>>plip0: flags=108810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
>>>lo0: flags=8049<UP,LOOPBACK,SIMPLEX,MULTICAST> mtu 1500
>>>         inet 127.0.0.1 netmask 0xff000000
>>>
>>>Still, things are looking good; so, I go to another box, log into my 
>>>router(192.168.1.1), and I can see the MAC address of the BSD box on my router.
>>>
>>>
>>>However, I still get the same results when I ping as I did above.
>>>
>>>Then I checked the routing tables:
>>>
>>>netstat -r
>>>Routing Tables
>>>
>>>Internet:
>>>Destination     Gateway                 Flags   Refs    Use     Netif 
>>>Expire
>>>default         192.168.1.1             UGS             0       6
>>>   dc0
>>>localhost               localhost                       UH
>>>   1      37      lo0
>>>192.168.1               link#1                  UC              0
>>>   0      dc0
>>>192.168.1.1     00:0c:41:bd:49:7d       UHLW    1       0       dc0
>>>   695
>>>192.168.1.128   localhost                       UGHS    0       0
>>>   lo0
>>>
>>>The output of netstat and ifconfig aboe are from today.  I began having 
>>>this problem yesterday, and left the box on over night.
>>>Yesterday's output was different in that the BSD box had a different IP 
>>>address, 192.168.1.122.  That is fine I understand that the box is 
>>>communicating with the router and negotiating leases when they 
>>>expire.  However, why has the gateway to 192.168.1.1 changed from link#1 
>>>to the MAC address of my router.  I am certain that if  I restart the 
>>>computer that same gateway will revert to link#1.
>>>
>>>The my questions are:
>>>How do I get the system to see others in the network, and vice-versa?
>>>What should the gateway for 192.168.1.1 be?(which also happens to be my 
>>>routers address)
>>>
>>>
>>>I am hoping it is something simple.  I could just as have easily 
>>>reinstalled the system and started from scratch, but I wanted to know 
>>>how to solve this problem.
>>>
>>>Other info that might help:
>>>less /etc/rc.conf
>>>ifconfig_dco="DHCP"
>>>hostname="fw.company.com"
>>>defaultrouter="192.168.1.1"
>>>
>>>less /etc/resolv.conf
>>>search carolina.rr.com
>>>nameserver 24.25.5.60
>>>naemserver 24.25.5.61
>>>
>>>less /etc/hosts
>>>::1                     localhost.company.com   localhost
>>>127.0.0.1               localhost.company.com   localhost
>>>
>>>Thanks in advance
>>>
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