[ale] routing and networking

Nick Lucent nlucent at mindspring.com
Sat Apr 10 18:35:09 EDT 1999


On Sat, 10 Apr 1999, Tri wrote:

This kind of looks like you either have a bad network card, bad cable or
bad hub, like maybe the data is being corrupted. I got all those 13 14 15
errors once but I think that was a bad driver (ne2kpci). Im currently
using tulip on a linksys 10/100 card w/o problems.

Nick


> I also get this when I ping the other computer:
> PING 192.168.1.2 (192.168.1.2): 56 data bytes
> 64 bytes from 192.168.1.2: icmp_seq=1 ttl=255 time=0.3 ms
> wrong data byte #10 should be 0xa but was 0x9
>  13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 27 28 29 2a 2b
> 2c 2d 2e 2f 30 31 32
>  33 34 35 36 0 0 0 0 0 0 0 0 0 0 0 0
> 64 bytes from 192.168.1.2: icmp_seq=2 ttl=255 time=0.3 ms
> wrong data byte #14 should be 0xe but was 0xd
>  13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 27 28 29 2a 2b
> 2c 2d 2e 2f 30 31 32
>  33 34 35 36 0 0 0 0 0 0 0 0 0 0 0 0
> 
> --- 192.168.1.2 ping statistics ---
> 5 packets transmitted, 2 packets received, 60% packet loss
> round-trip min/avg/max = 0.3/0.3/0.3 ms
> 
> Something tells me this isn't right. ;-)
> 
> Tri
> 
> -----Original Message-----
> From: Venkatesh Dattathri <venkat at csl.uta.edu>
> To: ale at ale.org <ale at ale.org>
> Date: Saturday, April 10, 1999 3:49 PM
> Subject: Re: [ale] routing and networking
> 
> 
> >
> >Hi Tri,
> >
> >
> >On Sat, 10 Apr 1999, Tri wrote:
> >
> >> >From Tri:
> >> Here's more info about the situation
> >>
> >> Here is what I get from netstat -nr:
> >> Kernel IP routing table
> >> Destination     Gateway         Genmask         Flags   MSS Window  irtt
> >> Iface
> >> 192.168.1.0     0.0.0.0         255.255.255.0   U                0 0
> >> 0  eth0
> >>
> >> Here's what I get from ifconfig eth0:
> >> eth0      Link encap:Ethernet  HWaddr 00:A0:CC:3B:22:5E
> >>           inet addr:192.168.1.1  Bcast:192.168.1.255  Mask:255.255.255.0
> >>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> >>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> >>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> >>           Collisions:0
> >>           Interrupt:10 Base address:0xb000
> >>
> >
> >
> >The RX and TX packets should not be 0 . it should be some number, and only
> >then can you connect to other systems ..( i don't know why it is so or
> >what the significance is..)
> >
> >
> >Also, take a look at the attached Howto.. it may help..
> >
> >> And this might help also, this is my init network script under debian
> 2.1:
> >>
> >> #! /bin/sh
> >> ifconfig lo 127.0.0.1
> >> route add -net 127.0.0.0 lo
> >> ifconfig eth0 192.168.1.1 netmask 255.255.255.0 up
> >>
> >> I know the route command for eth0 is missing, but the kernel sets one up
> >> automatically.
> >>
> >
> >I suggest you try having a route add command for eth0 in your init script.
> >
> >
> >> Tri
> >>
> >> -----Original Message-----
> >> From: Eric Ayers <eric.ayers at mindspring.com>
> >> To: Tri <merlintm at bellsouth.net>
> >> Date: Saturday, April 10, 1999 7:50 AM
> >> Subject: Re: [ale] routing and networking
> >>
> >>
> >> >Tri wrote:
> >> >>
> >> >> When I try to telnet into a second computer(192.168.1.2) on my
> network,
> >> >> telnet returns a message that says it can't reach the host since there
> is
> >> no
> >> >> route to the host. However my routing table indicates that indeed
> there
> >> is a
> >> >> route to every machine on the 192.168.1.0 network. I am using kernel
> >> 2.2.5,
> >> >> the route was set automatically by the kernel when I used:
> >> >> ifconfig eth0 192.168.1.1 netmask 255.255.255.0 up
> >> >> to set up my network card. I am sure that my drivers are loaded
> correctly
> >> >> and the second machine is also using the same kernel version and
> >> configured
> >> >> the same way( except for the ip address of course) Any Ideas on why
> this
> >> is
> >> >> happening. I am using the tulip driver.
> >> >> Tri
> >> >
> >> >
> >> >why don't you mail the output of:
> >> >
> >> >netstat -nr
> >> >and
> >> >ifconfig eth0
> >> >
> >> >on both machines to the list?
> >> >
> >>
> >
> >
> 






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