Re: IPv6 fragmentation woes

2016-09-13 Thread Stuart Henderson
On 2016-09-13, Fernando Gont wrote: > On 08/09/2016 07:42 AM, Laurent CARON wrote: >> Hi, >> >> Does anybody have a clue about this issue ? Thanks > > Based on a quick look at what you sent, this is not what I would expect. > > >> Am I mistaken on something, or is this behavior perfectly normal ?

Re: IPv6 fragmentation woes

2016-09-13 Thread Fernando Gont
On 08/09/2016 07:42 AM, Laurent CARON wrote: > Hi, > > Does anybody have a clue about this issue ? Thanks Based on a quick look at what you sent, this is not what I would expect. > Am I mistaken on something, or is this behavior perfectly normal ? > > Please note # tracepath6 from the linux bo

Re: IPv6 fragmentation woes

2016-08-09 Thread Laurent CARON
Hi, Does anybody have a clue about this issue ? Thanks Setup: Source: Linux box: 2a02:27d0:100:115:6000::200 Destination: OpenBSD 5.9-stable box: 2a02:27d0:116::3 Source#: ping6 -M do -s 1232 2a02:27d0:100:114::3 PING 2a02:27d0:100:114::3(2a02:27d0:100:114::3) 1232 data bytes 1240 bytes from

Re: IPv6 fragmentation woes

2016-06-22 Thread Laurent CARON
Hi, After some more tests: Source: Linux machine with IPv6: 2a02:27d0:0:5e0d:1a03:73ff:feba:50b4 Destination: Linux machine with IPv6: 2a02:27d0:0:5e0d:428d:5cff:fea5:501e source# ping6 -M do -s 1300 2a02:27d0:0:5e0d:428d:5cff:fea5:501e destination# tcpdump -ni enp3s0 host 2a02:27d0:0:5e0d:1a03:

Re: IPv6 fragmentation woes

2016-06-14 Thread Laurent CARON
Hi, Back to this issue: Setup: Source: Linux box: 2a02:27d0:100:115:6000::200 Destination: OpenBSD 5.9-stable box: 2a02:27d0:116::3 Source#: ping6 -M do -s 1232 2a02:27d0:100:114::3 PING 2a02:27d0:100:114::3(2a02:27d0:100:114::3) 1232 data bytes 1240 bytes from 2a02:27d0:100:114::3: icmp_seq=1

Re: IPv6 fragmentation woes

2016-05-17 Thread Christoph Viethen
I tried "ping6 2001:7f8:54::250" myself right now. Sorry, that should have read: "I tried $ ping6 -s 1234 2001:7f8:54::145 " (I did send the packets to ..::145 , not the other one)

Re: IPv6 fragmentation woes

2016-05-17 Thread Christoph Viethen
Hello, on 17.05.2016 14:05, Laurent CARON wrote: When sending a ping 6 to a destination not accepting fragmented packets, I experience loss with "big" (but < 1500) packets. % ping6 -s 1234 2001:7f8:54::250 Ex: 14:03:07.959532 2001:7f8:54::145 > 2001:7f8:54::250: frag (0xbfb11fea:1232@0+) icmp