Network Manager Strikes Again!!!!

[Paul Howarth]

jim lawrence wrote:
> why can't i connect to the internet when i have NetworkManager running?    
> see below
> ####################################################################
> [root at JimsNotebook ~]# ifconfig
> eth0      Link encap:Ethernet  HWaddr 00:40:D0:5E:70:4F
>           inet addr:192.168.1.53  Bcast:192.168.1.255  Mask:255.255.255.0
>           UP BROADCAST NOTRAILERS RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:3 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:2 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:1240 (1.2 KiB)  TX bytes:703 (703.0 b)
>           Interrupt:3
> 
> eth1      Link encap:Ethernet  HWaddr 00:0E:35:1F:CE:CF
>           UP BROADCAST NOTRAILERS MULTICAST  MTU:1500  Metric:1
>           RX packets:9 errors:0 dropped:1 overruns:0 frame:0
>           TX packets:1 errors:0 dropped:0 overruns:0 carrier:1
>           collisions:0 txqueuelen:1000
>           RX bytes:6743093 (6.4 MiB)  TX bytes:1925226 (1.8 MiB)
>           Interrupt:11 Base address:0x6000 Memory:e0001000-e0001fff
> 
> lo        Link encap:Local Loopback
>           inet addr:127.0.0.1  Mask:255.0.0.0
>           UP LOOPBACK RUNNING  MTU:16436  Metric:1
>           RX packets:1399 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:1399 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:1388648 (1.3 MiB)  TX bytes:1388648 (1.3 MiB)
> I ping my router  just fine.....
> [root at JimsNotebook ~]# ping -c4 192.168.1.49
> PING 192.168.1.49 (192.168.1.49) 56(84) bytes of data.
> 64 bytes from 192.168.1.49: icmp_seq=0 ttl=150 time=1.81 ms
> 64 bytes from 192.168.1.49: icmp_seq=1 ttl=150 time=0.489 ms
> 64 bytes from 192.168.1.49: icmp_seq=2 ttl=150 time=0.489 ms
> 64 bytes from 192.168.1.49: icmp_seq=3 ttl=150 time=0.479 ms
> 
> --- 192.168.1.49 ping statistics ---
> 4 packets transmitted, 4 received, 0% packet loss, time 3000ms
> rtt min/avg/max/mdev = 0.479/0.817/1.814/0.576 ms, pipe 2
> can't ping google 
> [root at JimsNotebook ~]# ping -c4 www.google.com
> ping: unknown host www.google.com
> [root at JimsNotebook ~]# service network restart
> Shutting down interface Lan:                               [  OK  ]
> Shutting down loopback interface:                          [  OK  ]
> Setting network parameters:                                [  OK  ]
> Bringing up loopback interface:                            [  OK  ]
> [root at JimsNotebook ~]# ifconfig
> eth0      Link encap:Ethernet  HWaddr 00:40:D0:5E:70:4F
>           inet addr:192.168.1.53  Bcast:192.168.1.255  Mask:255.255.255.0
>           UP BROADCAST NOTRAILERS RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:11 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:9 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:2932 (2.8 KiB)  TX bytes:1840 (1.7 KiB)
>           Interrupt:3
> 
> eth1      Link encap:Ethernet  HWaddr 00:0E:35:1F:CE:CF
>           UP BROADCAST NOTRAILERS MULTICAST  MTU:1500  Metric:1
>           RX packets:9 errors:0 dropped:1 overruns:0 frame:0
>           TX packets:1 errors:0 dropped:0 overruns:0 carrier:1
>           collisions:0 txqueuelen:1000
>           RX bytes:6743093 (6.4 MiB)  TX bytes:1925226 (1.8 MiB)
>           Interrupt:11 Base address:0x6000 Memory:e0001000-e0001fff
> 
> lo        Link encap:Local Loopback
>           inet addr:127.0.0.1  Mask:255.0.0.0
>           UP LOOPBACK RUNNING  MTU:16436  Metric:1
>           RX packets:1407 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:1407 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:1389308 (1.3 MiB)  TX bytes:1389308 (1.3 MiB)
> still can't ping google
> 
> [root at JimsNotebook ~]# ping -c4 www.google.com
> ping: unknown host www.google.com

This may be a raw connectivity problem or a name resolution problem.

What happens why you try the ping using just the IP address?

$ ping -c4 64.233.161.104

If this works, check out the difference in /etc/resolv.conf when 
NetworkManager is running.

Paul.