On 04/09/16 12:14, Toke Høiland-Jørgensen wrote:
Simon Kelley <si...@thekelleys.org.uk> writes:
OK, naive attempts to reproduce this have failed entirely, it just works
for me :-)
I see something similar:
recvmsg(10, {msg_name={sa_family=AF_INET6, sin6_port=htons(50214), inet_pton(AF_INET6,
"fe80::c23f:d5ff:fe62:22ac", &sin6_addr), sin6_flowinfo=htonl(0),
sin6_scope_id=if_nametoindex("eth1.1")}, msg_namelen=28,
msg_iov=[{iov_base="\243\307\1\0\0\1\0\0\0\0\0\0\6google\3com\0\0\1\0\1", iov_len=4096}], msg_iovlen=1,
msg_control=[{cmsg_len=32, cmsg_level=SOL_IPV6, cmsg_type=0x32}], msg_controllen=32, msg_flags=0}, 0) = 28
dnsmasq: query[A] google.com from fe80::c23f:d5ff:fe62:22ac
So I've LEDE r1504 (+8 special sauce local tweaks) + bleeding edge
dnsmasq commit 16800ea072dd0cdf14d951c4bb8d2808b3dfe53d on an Archer C7
router. Using linux mint 18 client: kevin@Animal ~/git/github/lede
(exp) $ dig -6 @fe80::62e3:27ff:feaf:9e50%wlan0 google.com AAAA
; <<>> DiG 9.10.3-P4-Ubuntu <<>> -6 @fe80::62e3:27ff:feaf:9e50%wlan0
google.com AAAA
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 54808
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;google.com. IN AAAA
;; ANSWER SECTION:
google.com. 33 IN AAAA 2a00:1450:4009:80a::200e
;; Query time: 10 msec
;; SERVER: fe80::62e3:27ff:feaf:9e50%3#53(fe80::62e3:27ff:feaf:9e50%3)
;; WHEN: Sun Sep 04 16:01:01 BST 2016
;; MSG SIZE rcvd: 67
strace running on the router:
clock_gettime(CLOCK_REALTIME, {1473001369, 678036759}) = 0
recvmsg(10, {msg_name={sa_family=AF_INET6, sin6_port=htons(43191),
inet_pton(AF_INET6, "fe80::2677:3ff:fe47:8fec", &sin6_addr),
sin6_flowinfo=htonl(0), sin6_scope_id=if_nametoindex("br-lan")},
msg_namelen=28, msg_iov=[{iov_base="\356;\1
\0\1\0\0\0\0\0\1\6google\3com\0\0\34\0\1\0\0)\20"..., iov_len=4096}],
msg_iovlen=1, msg_control=[{cmsg_len=32, cmsg_level=SOL_IPV6,
cmsg_type=0x32}], msg_controllen=32, msg_flags=0}, 0) = 39
ioctl(10, SIOCGIFNAME, {ifr_index=17, ifr_name="br-lan"}) = 0
sendmsg(10, {msg_name={sa_family=AF_INET6, sin6_port=htons(43191),
inet_pton(AF_INET6, "fe80::2677:3ff:fe47:8fec", &sin6_addr),
sin6_flowinfo=htonl(0), sin6_scope_id=if_nametoindex("br-lan")},
msg_namelen=28,
msg_iov=[{iov_base="\356;\201\200\0\1\0\1\0\0\0\1\6google\3com\0\0\34\0\1\300\f\0\34"...,
iov_len=67}], msg_iovlen=1, msg_control=[{cmsg_len=32,
cmsg_level=SOL_IPV6, cmsg_type=0x32}], msg_controllen=32, msg_flags=0},
0) = 67
poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}, {fd=6,
events=POLLIN}, {fd=7, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9,
events=POLLIN}, {fd=10, events=POLLIN}, {fd=11, events=POLLIN}, {fd=12,
events=POLLIN}, {fd=13, events=POLLIN}], 10, -1
I can confirm client box has linklocal inet6 addr:
fe80::2677:3ff:fe47:8fec/64 Scope:Link. I think it 'just works' for me too.
However I'm sure recently I saw some discussion on ipv6 link local
'unresponsive' type issues in the lede chat room. Maybe worth asking
in there.
Kevin
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