Package: avahi-utils Version: 0.6.31-2 Severity: important Tags: ipv6 I'm trying to use mdns naming accross a virtual ethernet link between a Debian 32-bit guest and a RHEL6 64-bit host, both running 'avahi-daemon'. Resolution with other programs also doesn't work, but I've done the most analysis with 'avahi-resolve'. Command line...
dllamber@vmDebian:/usr/share/java$ avahi-resolve -4 -n oc3676843524.LOCAL Failed to resolve host name 'oc3676843524.LOCAL': Timeout reached 'tcpdump' output during the first couple seconds (before the 'Timeout reached' message appears)... vmDebian:/home/dllamber# tcpdump -i eth0 -ttt -vv udp port 5353 tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes 00:00:00.000000 IP6 (hlim 255, next-header UDP (17) payload length: 44) vmDebian.local.mdns > ff02::fb.mdns: [udp sum ok] 0 A (QM)? oc3676843524.LOCAL. (36) 00:00:00.000148 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto UDP (17), length 64) vmDebian.mdns > 224.0.0.251.mdns: [bad udp cksum a747!] 0 A (QM)? oc3676843524.LOCAL. (36) 'tcpdump' output thereafter... 00:00:00.000531 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto UDP (17), length 74) oc3676843524.1028 > 224.0.0.251.mdns: [udp sum ok] 0*- [0q] 1/0/0 oc3676843524.local. (Cache flush) A 192.168.122.1 (46) 00:00:00.101370 IP6 (hlim 255, next-header UDP (17) payload length: 98) vmDebian.local.mdns > ff02::fb.mdns: [udp sum ok] 0 PTR (QM)? b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa. (90) 00:00:00.000164 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto UDP (17), length 118) vmDebian.mdns > 224.0.0.251.mdns: [bad udp cksum c029!] 0 PTR (QM)? b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa. (90) 00:00:00.899400 IP6 (hlim 255, next-header UDP (17) payload length: 44) vmDebian.local.mdns > ff02::fb.mdns: [udp sum ok] 0 A (QM)? oc3676843524.LOCAL. (36) 00:00:00.000150 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto UDP (17), length 64) vmDebian.mdns > 224.0.0.251.mdns: [bad udp cksum a747!] 0 A (QM)? oc3676843524.LOCAL. (36) 00:00:00.000224 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto UDP (17), length 74) oc3676843524.1028 > 224.0.0.251.mdns: [udp sum ok] 0*- [0q] 1/0/0 oc3676843524.local. (Cache flush) A 192.168.122.1 (46) 00:00:00.100438 IP6 (hlim 255, next-header UDP (17) payload length: 98) vmDebian.local.mdns > ff02::fb.mdns: [udp sum ok] 0 PTR (QM)? b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa. (90) 00:00:00.000224 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto UDP (17), length 118) vmDebian.mdns > 224.0.0.251.mdns: [bad udp cksum c029!] 0 PTR (QM)? b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa. (90) 00:00:01.901520 IP6 (hlim 255, next-header UDP (17) payload length: 122) vmDebian.local.mdns > ff02::fb.mdns: [udp sum ok] 0 [2q] A (QM)? oc3676843524.LOCAL. PTR (QM)? b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa. (114) 00:00:00.000220 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto UDP (17), length 142) vmDebian.mdns > 224.0.0.251.mdns: [bad udp cksum 67d4!] 0 [2q] A (QM)? oc3676843524.LOCAL. PTR (QM)? b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa. (114) 00:00:00.000423 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto UDP (17), length 74) oc3676843524.1028 > 224.0.0.251.mdns: [udp sum ok] 0*- [0q] 1/0/0 oc3676843524.local. (Cache flush) A 192.168.122.1 (46) 00:00:02.097754 IP6 (hlim 255, next-header UDP (17) payload length: 98) vmDebian.local.mdns > ff02::fb.mdns: [udp sum ok] 0 PTR (QM)? 3.6.5.8.e.9.e.f.f.f.9.2.c.0.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa. (90) 00:00:00.000176 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto UDP (17), length 118) vmDebian.mdns > 224.0.0.251.mdns: [bad udp cksum b828!] 0 PTR (QM)? 3.6.5.8.e.9.e.f.f.f.9.2.c.0.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa. (90) 00:00:00.000283 IP6 (hlim 255, next-header UDP (17) payload length: 120) vmDebian.local.mdns > ff02::fb.mdns: [udp sum ok] 0*- [0q] 1/0/0 3.6.5.8.e.9.e.f.f.f.9.2.c.0.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa. (Cache flush) PTR vmDebian.local. (112) 00:00:00.001031 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto UDP (17), length 140) vmDebian.mdns > 224.0.0.251.mdns: [bad udp cksum 9835!] 0*- [0q] 1/0/0 3.6.5.8.e.9.e.f.f.f.9.2.c.0.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa. (Cache flush) PTR vmDebian.local. (112) 00:00:00.100613 IP6 (hlim 255, next-header UDP (17) payload length: 50) vmDebian.local.mdns > ff02::fb.mdns: [udp sum ok] 0 PTR (QM)? 251.0.0.224.in-addr.arpa. (42) 00:00:00.000226 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto UDP (17), length 70) vmDebian.mdns > 224.0.0.251.mdns: [bad udp cksum 2f19!] 0 PTR (QM)? 251.0.0.224.in-addr.arpa. (42) 00:00:01.000666 IP6 (hlim 255, next-header UDP (17) payload length: 50) vmDebian.local.mdns > ff02::fb.mdns: [udp sum ok] 0 PTR (QM)? 251.0.0.224.in-addr.arpa. (42) 00:00:00.000137 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto UDP (17), length 70) vmDebian.mdns > 224.0.0.251.mdns: [bad udp cksum 2f19!] 0 PTR (QM)? 251.0.0.224.in-addr.arpa. (42) 00:00:02.001684 IP6 (hlim 255, next-header UDP (17) payload length: 50) vmDebian.local.mdns > ff02::fb.mdns: [udp sum ok] 0 PTR (QM)? 251.0.0.224.in-addr.arpa. (42) 00:00:00.000314 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto UDP (17), length 70) vmDebian.mdns > 224.0.0.251.mdns: [bad udp cksum 2f19!] 0 PTR (QM)? 251.0.0.224.in-addr.arpa. (42) So it looks like the response comes back timely over the network, but doesn't make it back to the querying process. That doesn't seem like the proper behavior! -- System Information: Debian Release: 6.0.7 APT prefers stable APT policy: (500, 'stable') Architecture: i386 (i686) Kernel: Linux 3.2.0-4-686-pae (SMP w/1 CPU core) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Versions of packages avahi-utils depends on: ii avahi-daemon 0.6.31-2 ii libavahi-client3 0.6.23-3lenny3 ii libavahi-common3 0.6.23-3lenny3 ii libc6 2.13-38 ii libdbus-1-3 1.6.8-1+deb7u1 ii libgdbm3 1.8.3-11 avahi-utils recommends no packages. avahi-utils suggests no packages. -- no debconf information -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org