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- Join Date
- May 2012
network problem with eth0 on linux
BTW, yesterday I modified MTU from 1406 to 500, but then modified it back to 1406.
eth0 Link encap:Ethernet HWaddr 5C:26:0A:2B:B8:06
inet addr:18.104.22.168 Bcast:22.214.171.124 Mask:255.255.240.0
inet6 addr: fe80::5e26:aff:fe2b:b806/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1406 Metric:1
RX packets:21221 errors:0 dropped:0 overruns:0 frame:0
TX packets:1355 errors:0 dropped:0 overruns:0 carrier:0
RX bytes:3710568 (3.5 MiB) TX bytes:130299 (127.2 KiB)
additional information: 1 it seems it is from dhcp coz I didn't do any configuration for the ip address, and it is a public IP. but the ip is fixed
2 I think the /etc/resolv.conf is fine, coz previously the network is fine
- Join Date
- Dec 2011
- Turtle Island West
OK. I'm no network guru or anything, but I do know that playing with ifconfig is for network gurus *only*. Any changes you make there affect all your communications and everything around you.
My best guess? I think you've confused your router and other things by tweaking your MTU. Now it thinks your PC speaks Martian Dialect #43 with a stuttering lisp, and it's deliberately ignoring you.
If you're going to play around with a network interface, get a 2nd NIC and play with that, so you don't get a crippled primary interface.
I hope someone else has some more constructive advice.
BTW my MTU is 1500.
Peace and cheer.
1. Is your setup running static IP or DHCP?
2. If static what is your IP ADD and MASK
3. IF DHCP what is your IP
4 Post the output from 'route -n'
The adventure of a life time.
Linux User #296285