Alexander Bluhm <bl...@openbsd.org> writes:
> On Mon, Sep 09, 2024 at 03:27:30PM +0300, kekek wrote:
> Three possibiliites
> 1. solicitation gets lost
> 2. no advertisement generated
> 3. advertisement gets lost
7.3:
ifconfig vio0
vio0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr 52:54:00:f1:31:af
index 1 priority 0 llprio 3
groups: egress
media: Ethernet autoselect
status: active
inet 185.104.251.193 netmask 0xffffff00 broadcast 185.104.251.255
inet6 fe80::5054:ff:fef1:31af%vio0 prefixlen 64 scopeid 0x1
inet6 2a09:5302:ffff::1c68 prefixlen 48
tcpdump -ni vio0 ip6 host 2a09:5302:ffff::1c68
tcpdump: listening on vio0, link-type EN10MB
16:42:43.041515 2a09:5302:ffff::1c68 > ff02::1:ff00:1: icmp6: neighbor sol: who
has 2a09:5302:ffff::1
16:42:43.043130 2a09:5302:ffff::1 > 2a09:5302:ffff::1c68: icmp6: neighbor adv:
tgt is 2a09:5302:ffff::1 [class 0xc0]
16:42:43.043181 2a09:5302:ffff::1c68 > 2a09:5302:ffff::1: icmp6: echo request
16:42:43.043658 2a09:5302:ffff::1 > 2a09:5302:ffff::1c68: icmp6: echo reply
16:42:47.931407 2a09:5302:ffff::1 > 2a09:5302:ffff::1c68: icmp6: neighbor sol:
who has 2a09:5302:ffff::1c68 [class 0xc0]
16:42:47.931503 2a09:5302:ffff::1c68 > 2a09:5302:ffff::1: icmp6: neighbor adv:
tgt is 2a09:5302:ffff::1c68
tcpdump -ni vio0 ip6 host fe80::5054:ff:fef1:31af
tcpdump: listening on vio0, link-type EN10MB
^C
9572 packets received by filter
0 packets dropped by kernel
7.6-beta:
ifconfig vio0
vio0: flags=2008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LRO> mtu 1500
lladdr 52:54:00:cd:f9:88
index 1 priority 0 llprio 3
groups: egress
media: Ethernet autoselect
status: active
inet 185.200.190.133 netmask 0xffffff00 broadcast 185.200.190.255
inet6 fe80::5054:ff:fecd:f988%vio0 prefixlen 64 scopeid 0x1
inet6 2a04:5201:2::717 prefixlen 48
tcpdump -ni vio0 host 2a04:5201:2::717
tcpdump: listening on vio0, link-type EN10MB
^C
5981 packets received by filter
0 packets dropped by kernel
tcpdump -ni vio0 host fe80::5054:ff:fecd:f988
tcpdump: listening on vio0, link-type EN10MB
16:48:39.723862 fe80::5054:ff:fecd:f988 > ff02::1:ff00:1: icmp6: neighbor sol:
who has 2a04:5201:2::1
16:48:40.725163 fe80::5054:ff:fecd:f988 > ff02::1:ff00:1: icmp6: neighbor sol:
who has 2a04:5201:2::1
16:48:41.724888 fe80::5054:ff:fecd:f988 > ff02::1:ff00:1: icmp6: neighbor sol:
who has 2a04:5201:2::1
^C
4538 packets received by filter
0 packets dropped by kernel
> Next step is to tcpdump the tap device on the qemu host. This
> should answer in which case we run.
This is a hosting service, I don't have access to qemu.
--
Alexander Shursha
