Re: problems with PCIX-bus NICs

[6bone%6bone.informatik.uni-leipzig.de@localhost]

On Wed, 15 Jul 2009, Robert Elz wrote:

> If you still see the same kind of results when you use -n, ask again...
>
> kre

the problem also occurs with ping6 -n.

the following ping6/tcpdump output shows the problem.


regards
Uwe


bash-4.0# ping6 -n 2001:638:c:a00a::2
PING6(56=40+8+8 bytes) 2001:638:c:a00a::3 --> 2001:638:c:a00a::2
16 bytes from 2001:638:c:a00a::2, icmp_seq=0 hlim=64 time=12271.127 ms
16 bytes from 2001:638:c:a00a::2, icmp_seq=1 hlim=64 time=11200.353 ms
16 bytes from 2001:638:c:a00a::2, icmp_seq=2 hlim=64 time=10196.919 ms
16 bytes from 2001:638:c:a00a::2, icmp_seq=3 hlim=64 time=9204.009 ms
16 bytes from 2001:638:c:a00a::2, icmp_seq=4 hlim=64 time=8200.486 ms
16 bytes from 2001:638:c:a00a::2, icmp_seq=5 hlim=64 time=7196.852 ms
16 bytes from 2001:638:c:a00a::2, icmp_seq=6 hlim=64 time=6204.068 ms
16 bytes from 2001:638:c:a00a::2, icmp_seq=7 hlim=64 time=5200.651 ms
16 bytes from 2001:638:c:a00a::2, icmp_seq=8 hlim=64 time=4197.179 ms


tcpdump -n at 2001:638:c:a00a::3
20:32:54.373521 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: ICMP6, echo request, 
seq 0,length 16
20:32:55.444351 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: ICMP6, echo request, 
seq 1,length 16
20:32:56.447798 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: ICMP6, echo request, 
seq 2,length 16
20:32:57.440749 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: ICMP6, echo request, 
seq 3,length 16
20:32:58.444336 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: ICMP6, echo request, 
seq 4,length 16
20:32:59.448085 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: ICMP6, echo request, 
seq 5,length 16
20:32:59.704285 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 86: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: ICMP6, neighbor 
solicitation, who has 2001:638:c:a00a::2, length 32
20:33:00.440954 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: ICMP6, echo request, 
seq 6,length 16
20:33:00.771869 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 86: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: ICMP6, neighbor 
solicitation, who has 2001:638:c:a00a::2, length 32
20:33:01.444461 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: ICMP6, echo request, 
seq 7,length 16
20:33:01.839482 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 86: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: ICMP6, neighbor 
solicitation, who has 2001:638:c:a00a::2, length 32
20:33:02.448015 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: ICMP6, echo request, 
seq 8,length 16
20:33:03.441568 00:04:23:c3:96:78 > 33:33:ff:00:00:02, ethertype IPv6 
(0x86dd),length 86: 2001:638:c:a00a::3 > ff02::1:ff00:2: ICMP6, neighbor 
solicitation, who has 2001:638:c:a00a::2, length 32
20:33:04.509114 00:04:23:c3:96:78 > 33:33:ff:00:00:02, ethertype IPv6 
(0x86dd),length 86: 2001:638:c:a00a::3 > ff02::1:ff00:2: ICMP6, neighbor 
solicitation, who has 2001:638:c:a00a::2, length 32
20:33:05.576510 00:04:23:c3:96:78 > 33:33:ff:00:00:02, ethertype IPv6 
(0x86dd),length 86: 2001:638:c:a00a::3 > ff02::1:ff00:2: ICMP6, neighbor 
solicitation, who has 2001:638:c:a00a::2, length 32
20:33:06.644243 00:04:23:c2:ab:4e > 00:04:23:c3:96:78, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::2 > 2001:638:c:a00a::3: ICMP6, echo reply, 
seq 0, length 16
20:33:06.644245 00:04:23:c2:ab:4e > 00:04:23:c3:96:78, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::2 > 2001:638:c:a00a::3: ICMP6, echo reply, 
seq 1, length 16
20:33:06.644246 00:04:23:c2:ab:4e > 00:04:23:c3:96:78, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::2 > 2001:638:c:a00a::3: ICMP6, echo reply, 
seq 2, length 16


tcpdump -n at 2001:638:c:a00a::2
20:32:54.370781 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: icmp6: echo request 
seq 0
20:32:54.370804 00:04:23:c2:ab:4e > 00:04:23:c3:96:78, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::2 > 2001:638:c:a00a::3: icmp6: echo reply seq 0
20:32:55.441534 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: icmp6: echo request 
seq 1
20:32:55.441557 00:04:23:c2:ab:4e > 00:04:23:c3:96:78, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::2 > 2001:638:c:a00a::3: icmp6: echo reply seq 
1
20:32:56.445008 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: icmp6: echo request 
seq 2
20:32:56.445031 00:04:23:c2:ab:4e > 00:04:23:c3:96:78, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::2 > 2001:638:c:a00a::3: icmp6: echo reply seq 
2
20:32:57.438055 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: icmp6: echo request 
seq 3
20:32:57.438077 00:04:23:c2:ab:4e > 00:04:23:c3:96:78, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::2 > 2001:638:c:a00a::3: icmp6: echo reply seq 
3
20:32:58.441529 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: icmp6: echo request 
seq 4
20:32:58.441550 00:04:23:c2:ab:4e > 00:04:23:c3:96:78, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::2 > 2001:638:c:a00a::3: icmp6: echo reply seq 
4
20:32:59.367858 00:04:23:c2:ab:4e > 00:04:23:c3:96:78, ethertype IPv6 
(0x86dd),length 86: 2001:638:c:a00a::2 > 2001:638:c:a00a::3: icmp6: neighbor sol: 
who has 2001:638:c:a00a::3
20:32:59.445288 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: icmp6: echo request 
seq 5
20:32:59.445309 00:04:23:c2:ab:4e > 00:04:23:c3:96:78, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::2 > 2001:638:c:a00a::3: icmp6: echo reply seq 
5
20:32:59.701549 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 86: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: icmp6: neighbor sol: 
who has 2001:638:c:a00a::2
20:32:59.701588 00:04:23:c2:ab:4e > 00:04:23:c3:96:78, ethertype IPv6 
(0x86dd),length 78: 2001:638:c:a00a::2 > 2001:638:c:a00a::3: icmp6: neighbor adv: 
tgt is2001:638:c:a00a::2
20:33:00.367861 00:04:23:c2:ab:4e > 00:04:23:c3:96:78, ethertype IPv6 
(0x86dd),length 86: 2001:638:c:a00a::2 > 2001:638:c:a00a::3: icmp6: neighbor sol: 
who has 2001:638:c:a00a::3
20:33:00.438191 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: icmp6: echo request 
seq 6
20:33:00.438209 00:04:23:c2:ab:4e > 00:04:23:c3:96:78, ethertype IPv6 
(0x86dd),length 70: 2001:638:c:a00a::2 > 2001:638:c:a00a::3: icmp6: echo reply seq 
6
20:33:00.769371 00:04:23:c3:96:78 > 00:04:23:c2:ab:4e, ethertype IPv6 
(0x86dd),length 86: 2001:638:c:a00a::3 > 2001:638:c:a00a::2: icmp6: neighbor sol: 
who has 2001:638:c:a00a::2
20:33:00.769407 00:04:23:c2:ab:4e > 00:04:23:c3:96:78, ethertype IPv6 
(0x86dd),length 78: 2001:638:c:a00a::2 > 2001:638:c:a00a::3: icmp6: neighbor adv: 
tgt is2001:638:c:a00a::2