(usagi-users 01498) Re: Problem with ATM

[Kazuyoshi SERIZAWA <serizawa@xxxxxxxxxxxxxxxxx>]

  Hi Anthony,

  OK, I'll investigate about it.
# Now I'm not a core-member of USAGI, so it might take time...

From: "Anthony Teslyuk" <krif@xxxxxxx>
Subject: (usagi-users 01495) Problem with ATM
Date: Wed, 29 May 2002 13:50:33 +0400

> Hello,
> I'm using Linux 2.4.17 + USAGI SNAP-20020204 on IPv6 border router PC. It
> switches fast ethernet segment to PVC on ATM Fore PCA-200E card. The problem
> is that it drops packets larger than 128 data bytes. For example:
> 
> krif@ipv6:~$ ping6 -s 128 Moscow-BNS047.free.net
> PING Moscow-BNS047.free.net(2001:640::2e0:1eff:fe8d:c4c) from
> 2001:640:20::40 : 128 data bytes
> 136 bytes from 2001:640::2e0:1eff:fe8d:c4c: icmp_seq=0 hops=64 time=7742.000
> usec
> 136 bytes from 2001:640::2e0:1eff:fe8d:c4c: icmp_seq=1 hops=64 time=5187.000
> usec
> 
> -works fine, while trying "ping6 -s 129 Moscow-BNS047.free.net" we have 100%
> packet loss. Moscow-BNS047.free.net is next hop on ATM.
> ATM device MTU is 9180, Ethernet MTU is 1500.
> 
>     Thanks in advance
> ----