Hi there,
I am fighting since the last couple of days with the network configuration
on my iBook running Sid: I cannot apply new settings to my network
configuration unless I reboot. I'll show you what I mean:
a) Before rebooting I deactivated all interfaces. This is right after
reboot:
vasquez:~# ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:0A:95:BB:A3:DE
BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0
dropped:0 overruns:0 frame:0 TX packets:18 errors:0 dropped:0
overruns:0 carrier:0 collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:2628 (2.5 KiB) Interrupt:41 Base
address:0xf000
vasquez:~# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
vasquez:~# cat /etc/resolv.conf
# generated by NetworkManager, do not edit!
The interface is clean.
b) Now, I apply my settings (eitherway through ifconfig/route or
network-admin, the Gnome frontend):
vasquez:~# ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:0A:95:BB:A3:DE
inet addr:192.168.1.3 Bcast:192.168.1.7 Mask:255.255.255.248
inet6 addr: fe80::20a:95ff:febb:a3de/64 Scope:Link UP BROADCAST
RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0
dropped:0 overruns:0 frame:0 TX packets:137 errors:0 dropped:0
overruns:0 carrier:0 collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:16130 (15.7 KiB) Interrupt:41 Base
address:0xf000
vasquez:~# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface 192.168.1.0 0.0.0.0 255.255.255.248 U 0 0
0 eth0 0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0
0 eth0
vasquez:~# cat /etc/resolv.conf
# generated by NetworkManager, do not edit!
nameserver 208.67.222.222
nameserver 208.67.220.220
Everything looks ok, right? Now, let me ping Google and my router:
vasquez:~# ping www.google.com
ping: unknown host www.google.com
vasquez:~# ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
ping: sendmsg: Operation not permitted
ping: sendmsg: Operation not permitted
ping: sendmsg: Operation not permitted
--- 192.168.1.1 ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 2000ms
The DNS addressed are correct, they are from opendns.org.
Firewall problems, you might say:
vasquez:~# iptables -F
vasquez:~# iptables -L
Chain INPUT (policy DROP)
target prot opt source destination
Chain FORWARD (policy DROP)
target prot opt source destination
Chain OUTPUT (policy DROP)
target prot opt source destination
vasquez:~# ping www.google.com
ping: unknown host www.google.com
vasquez:~# ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
ping: sendmsg: Operation not permitted
ping: sendmsg: Operation not permitted
ping: sendmsg: Operation not permitted
--- 192.168.1.1 ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 2010ms
What's the matter?
I have then rebooted and the configuration is IDENTICAL, but I am posting
to the list:
vasquez:~# ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:0A:95:BB:A3:DE
inet addr:192.168.1.3 Bcast:192.168.1.7 Mask:255.255.255.248
inet6 addr: fe80::20a:95ff:febb:a3de/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:176 errors:0 dropped:0 overruns:0 frame:0
TX packets:197 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:26498 (25.8 KiB) TX bytes:13592 (13.2 KiB)
Interrupt:41 Base address:0xf000
vasquez:~# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.1.0 0.0.0.0 255.255.255.248 U 0 0 0 eth0
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 eth0
vasquez:~# cat /etc/resolv.conf
# generated by NetworkManager, do not edit!
nameserver 208.67.222.222
nameserver 208.67.220.220
vasquez:~# ping www.google.com
PING www.l.google.com (64.233.161.104) 56(84) bytes of data.
64 bytes from od-in-f104.google.com (64.233.161.104): icmp_seq=1 ttl=244
time=111 ms
64 bytes from od-in-f104.google.com (64.233.161.104): icmp_seq=2 ttl=244
time=112 ms
--- www.l.google.com ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 999ms
rtt min/avg/max/mdev = 111.928/112.060/112.193/0.360 ms
c) Sometimes I find my eth0 configured like this:
vasquez:~# ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:0A:95:BB:A3:DE
inet addr:169.254.206.130 Bcast:169.254.255.255
Mask:255.255.0.0 inet6 addr: fe80::20a:95ff:febb:a3de/64
Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX
packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:137
errors:0 dropped:0 overruns:0 carrier:0 collisions:0
txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:16130 (15.7 KiB) Interrupt:41 Base
address:0xf000
vasquez:~# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0
0 eth0
vasquez:~# cat /etc/resolv.conf
# generated by NetworkManager, do not edit!
WTF? What is that IP address?
Thanks to anyone who could give me advice on this, I am really going nuts.
Btw, happy new year everyone :)
--
Best Regards, Jack
Linux user #264449
Powered by Debian PPC
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