Ping Problem

Ping Problem

Post by Daniel Pouli » Tue, 16 Mar 1999 04:00:00



Hi,
I have a little network with a Linux Redhat 5.1 with 2 ethernet  cards on
two different networks. Each of those card are relied at a Win95 PC.
Each W95 can ping his card and the card where is attached on the Linux PC.
But the card on W95 cant ping the other card in the Linux and in the other
Win95 !
I think my routing table is ok but i'm not sure!
Win95................................Linux Redhat
5.1......................................Win95
131.138.48.91...........131.138.48.92.......131.138.47.2....................
131.138.47.3
May I add a gateway in my routing table ? How ?

Thanks a lot !

 
 
 

Ping Problem

Post by Lew Pitch » Tue, 16 Mar 1999 04:00:00



Quote:>Hi,
>I have a little network with a Linux Redhat 5.1 with 2 ethernet  cards on
>two different networks. Each of those card are relied at a Win95 PC.
>Each W95 can ping his card and the card where is attached on the Linux PC.
>But the card on W95 cant ping the other card in the Linux and in the other
>Win95 !
>I think my routing table is ok but i'm not sure!
>Win95................................Linux Redhat
>5.1......................................Win95
>131.138.48.91...........131.138.48.92.......131.138.47.2....................
>131.138.47.3
>May I add a gateway in my routing table ? How ?

Have you enabled IP forwarding on the Linux box? Your configuration would give
you the symptoms described if Linux IP forwarding were disabled.

Lew Pitcher
System Consultant, Integration Solutions Architecture
Toronto Dominion Bank


(Opinions expressed are my own, not my employer's.)

 
 
 

1. ping problem - only one ping made although -c option

Hi !

Another strange issue on my linux box...
When i do a "ping", it always transmits only _one_ packet
and then "hangs", I'll have to CTRL-C out to stop it.

It doesn't matter at all if i specify the -c option or not...
Its very likely that i messed up something on my box, because
that problem wasn't there a few weeks ago.

(I had some problems with shared libraries, maybe thats
where to start searching ?)

Example:

Centaur:/var/named # ping localhost -c 50
PING localhost (127.0.0.1): 56 data bytes
64 bytes from 127.0.0.1: icmp_seq=0 ttl=255 time=0.431 ms

--> no more packets here....after a few minutes CTRL-C'ing out:

--- localhost ping statistics ---
1 packets transmitted, 1 packets received, 0% packet loss
round-trip min/avg/max = 0.431/0.431/0.431 ms

Any suggestion whats going wrong here?

Watz

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