On Sun, 2005-11-06 at 18:06 +0900, SUZUKI Shinsuke wrote: > Hello Sean, > > >>>>> On Sat, 5 Nov 2005 14:39:13 -0800 > >>>>> sean_at_mcneil.com(Sean McNeil) said: > > > > sean> ping6 does NOT work for > > > sean> fe80::203:6dff:fe1a:b19b%dc0 > > > sean> 2002:18c7:2d36:0:203:6dff:fe1a:b19b > > > sean> 2002:18c7:2d36:: > > > > > > It seems an IPv6 operation for dc0 is disabled entirely. Don't you > > > see an error message from your kernel like following? > > > dc0: possible hardware address duplication detected, disable IPv6 > > No, nothing like that in any logs. I can't see how there could > > suddenly be a duplication of hardware addresses. I agree, though, > > that IPv6 is disabled for dc0. Some change in the kernel has caused > > this. > > I tried the same configuration (with the different interface card) > using the latest RELENG-6 in my environment, but I couldn't reproduce > your problem. > > So could you please show me the result of the following commands? > - netstat -rnf inet6 Routing tables Internet6: Destination Gateway Flags Netif Expire ::/96 ::1 UGRS lo0 => default 2002:c058:6301:: UGS stf0 ::1 ::1 UH lo0 ::ffff:0.0.0.0/96 ::1 UGRS lo0 2002::/24 ::1 UGRS lo0 => 2002::/16 2002:18c7:2d36::1 U stf0 2002:18c7:2d36:: 00:03:6d:1a:b1:9b UHL lo0 => 2002:18c7:2d36::/64 link#2 UC dc0 2002:18c7:2d36::1 link#5 UHL lo0 2002:18c7:2d36:0:203:6dff:fe1a:b19b 00:03:6d:1a:b1:9b UHL lo0 2002:18c7:2d36:1:: 00:14:85:85:27:b3 UHL lo0 => 2002:18c7:2d36:1::/64 link#3 UC sk0 2002:18c7:2d36:1:214:85ff:fe85:27b3 00:14:85:85:27:b3 UHL lo0 2002:7f00::/24 ::1 UGRS lo0 2002:e000::/20 ::1 UGRS lo0 2002:ff00::/24 ::1 UGRS lo0 fe80::/10 ::1 UGRS lo0 fe80::%fwe0/64 link#1 UC fwe0 fe80::11:6ff:fe00:7568%fwe0 02:11:06:00:75:68 UHL lo0 fe80::%dc0/64 link#2 UC dc0 fe80::203:6dff:fe1a:b19b%dc0 00:03:6d:1a:b1:9b UHL lo0 fe80::%sk0/64 link#3 UC sk0 fe80::214:85ff:fe85:27b3%sk0 00:14:85:85:27:b3 UHL lo0 fe80::%lo0/64 fe80::1%lo0 U lo0 fe80::1%lo0 link#4 UHL lo0 ff01:1::/32 link#1 UC fwe0 ff01:2::/32 link#2 UC dc0 ff01:3::/32 link#3 UC sk0 ff01:4::/32 ::1 UC lo0 ff02::/16 ::1 UGRS lo0 ff02::%fwe0/32 link#1 UC fwe0 ff02::%dc0/32 link#2 UC dc0 ff02::%sk0/32 link#3 UC sk0 ff02::%lo0/32 ::1 UC lo0 > - ndp -i dc0 linkmtu=1500, maxmtu=1500, curhlim=64, basereachable=30s0ms, reachable=44s, retrans=1s0ms Flags: nud accept_rtadv > - ndp -na Neighbor Linklayer Address Netif Expire S Flags 2002:18c7:2d36:: 0:3:6d:1a:b1:9b dc0 permanent R 2002:18c7:2d36::1 (incomplete) stf0 permanent R 2002:18c7:2d36:0:203:6dff:fe1a:b19b 0:3:6d:1a:b1:9b dc0 permanent R 2002:18c7:2d36:1:: 0:14:85:85:27:b3 sk0 permanent R 2002:18c7:2d36:1:214:85ff:fe85:27b3 0:14:85:85:27:b3 sk0 permanent R fe80::11:6ff:fe00:7568%fwe0 2:11:6:0:75:68 fwe0 permanent R fe80::203:6dff:fe1a:b19b%dc0 0:3:6d:1a:b1:9b dc0 permanent R fe80::214:85ff:fe85:27b3%sk0 0:14:85:85:27:b3 sk0 permanent R fe80::1%lo0 (incomplete) lo0 permanent R > - kernel log message after sysctl -w net.inet6.icmp6.nd6_debug=1 > (if exists) net.inet6.icmp6.nd6_debug: 0 -> 1 Then I tried a ping6. Nothing from the ping6 or any log messages. Some additional info: server# sysctl -a | grep inet net.inet.ip.portrange.randomtime: 45 net.inet.ip.portrange.randomcps: 10 net.inet.ip.portrange.randomized: 1 net.inet.ip.portrange.reservedlow: 0 net.inet.ip.portrange.reservedhigh: 1023 net.inet.ip.portrange.hilast: 65535 net.inet.ip.portrange.hifirst: 49152 net.inet.ip.portrange.last: 65535 net.inet.ip.portrange.first: 49152 net.inet.ip.portrange.lowlast: 700 net.inet.ip.portrange.lowfirst: 1023 net.inet.ip.forwarding: 1 net.inet.ip.redirect: 1 net.inet.ip.ttl: 64 net.inet.ip.rtexpire: 3600 net.inet.ip.rtminexpire: 10 net.inet.ip.rtmaxcache: 128 net.inet.ip.sourceroute: 0 net.inet.ip.intr_queue_maxlen: 50 net.inet.ip.intr_queue_drops: 0 net.inet.ip.accept_sourceroute: 0 net.inet.ip.keepfaith: 0 net.inet.ip.gifttl: 30 net.inet.ip.same_prefix_carp_only: 0 net.inet.ip.subnets_are_local: 0 net.inet.ip.dummynet.debug: 0 net.inet.ip.dummynet.red_max_pkt_size: 1500 net.inet.ip.dummynet.red_avg_pkt_size: 512 net.inet.ip.dummynet.red_lookup_depth: 256 net.inet.ip.dummynet.max_chain_len: 16 net.inet.ip.dummynet.expire: 1 net.inet.ip.dummynet.search_steps: 0 net.inet.ip.dummynet.searches: 0 net.inet.ip.dummynet.extract_heap: 0 net.inet.ip.dummynet.ready_heap: 0 net.inet.ip.dummynet.curr_time: 1636813 net.inet.ip.dummynet.hash_size: 64 net.inet.ip.fastforwarding: 0 net.inet.ip.fw.dyn_keepalive: 1 net.inet.ip.fw.dyn_short_lifetime: 5 net.inet.ip.fw.dyn_udp_lifetime: 10 net.inet.ip.fw.dyn_rst_lifetime: 1 net.inet.ip.fw.dyn_fin_lifetime: 1 net.inet.ip.fw.dyn_syn_lifetime: 20 net.inet.ip.fw.dyn_ack_lifetime: 300 net.inet.ip.fw.static_count: 21 net.inet.ip.fw.dyn_max: 4096 net.inet.ip.fw.dyn_count: 251 net.inet.ip.fw.curr_dyn_buckets: 256 net.inet.ip.fw.dyn_buckets: 256 net.inet.ip.fw.verbose_limit: 0 net.inet.ip.fw.verbose: 0 net.inet.ip.fw.debug: 1 net.inet.ip.fw.one_pass: 1 net.inet.ip.fw.autoinc_step: 100 net.inet.ip.fw.enable: 1 net.inet.ip.check_interface: 0 net.inet.ip.random_id: 0 net.inet.ip.sendsourcequench: 0 net.inet.ip.maxfragsperpacket: 16 net.inet.ip.maxfragpackets: 800 net.inet.ip.process_options: 1 net.inet.icmp.maskrepl: 0 net.inet.icmp.icmplim: 200 net.inet.icmp.bmcastecho: 0 net.inet.icmp.reply_src: net.inet.icmp.icmplim_output: 1 net.inet.icmp.log_redirect: 0 net.inet.icmp.drop_redirect: 0 net.inet.icmp.maskfake: 0 net.inet.tcp.rfc1323: 1 net.inet.tcp.mssdflt: 512 net.inet.tcp.keepidle: 7200000 net.inet.tcp.keepintvl: 75000 net.inet.tcp.sendspace: 32768 net.inet.tcp.recvspace: 65536 net.inet.tcp.keepinit: 75000 net.inet.tcp.delacktime: 100 net.inet.tcp.v6mssdflt: 1024 net.inet.tcp.hostcache.purge: 0 net.inet.tcp.hostcache.expire: 3600 net.inet.tcp.hostcache.count: 4 net.inet.tcp.hostcache.bucketlimit: 30 net.inet.tcp.hostcache.hashsize: 512 net.inet.tcp.hostcache.cachelimit: 15360 net.inet.tcp.reass.overflows: 0 net.inet.tcp.reass.maxqlen: 48 net.inet.tcp.reass.cursegments: 0 net.inet.tcp.reass.maxsegments: 1600 net.inet.tcp.insecure_rst: 0 net.inet.tcp.rfc3390: 1 net.inet.tcp.rfc3042: 1 net.inet.tcp.delayed_ack: 1 net.inet.tcp.blackhole: 0 net.inet.tcp.log_in_vain: 0 net.inet.tcp.newreno: 1 net.inet.tcp.local_slowstart_flightsize: 4 net.inet.tcp.slowstart_flightsize: 1 net.inet.tcp.path_mtu_discovery: 1 net.inet.tcp.sack.globalholes: 0 net.inet.tcp.sack.globalmaxholes: 65536 net.inet.tcp.sack.maxholes: 128 net.inet.tcp.sack.enable: 1 net.inet.tcp.inflight.stab: 20 net.inet.tcp.inflight.max: 1073725440 net.inet.tcp.inflight.min: 6144 net.inet.tcp.inflight.debug: 0 net.inet.tcp.inflight.enable: 1 net.inet.tcp.isn_reseed_interval: 0 net.inet.tcp.icmp_may_rst: 1 net.inet.tcp.pcbcount: 159 net.inet.tcp.do_tcpdrain: 1 net.inet.tcp.tcbhashsize: 512 net.inet.tcp.minmssoverload: 0 net.inet.tcp.minmss: 216 net.inet.tcp.syncache.rexmtlimit: 3 net.inet.tcp.syncache.hashsize: 512 net.inet.tcp.syncache.count: 0 net.inet.tcp.syncache.cachelimit: 15359 net.inet.tcp.syncache.bucketlimit: 30 net.inet.tcp.syncookies: 1 net.inet.tcp.always_keepalive: 1 net.inet.tcp.rexmit_slop: 200 net.inet.tcp.rexmit_min: 3 net.inet.tcp.msl: 30000 net.inet.udp.checksum: 1 net.inet.udp.maxdgram: 9216 net.inet.udp.recvspace: 42080 net.inet.udp.strict_mcast_mship: 0 net.inet.udp.blackhole: 0 net.inet.udp.log_in_vain: 0 net.inet.raw.recvspace: 8192 net.inet.raw.maxdgram: 8192 net.inet.accf.unloadable: 0 net.link.ether.inet.log_arp_movements: 1 net.link.ether.inet.log_arp_wrong_iface: 0 net.link.ether.inet.proxyall: 0 net.link.ether.inet.useloopback: 1 net.link.ether.inet.maxtries: 5 net.link.ether.inet.host_down_time: 20 net.link.ether.inet.max_age: 1200 net.link.ether.inet.prune_intvl: 300 net.inet6.ip6.forwarding: 1 net.inet6.ip6.redirect: 1 net.inet6.ip6.hlim: 64 net.inet6.ip6.maxfragpackets: 6400 net.inet6.ip6.accept_rtadv: 0 net.inet6.ip6.keepfaith: 0 net.inet6.ip6.log_interval: 5 net.inet6.ip6.hdrnestlimit: 50 net.inet6.ip6.dad_count: 1 net.inet6.ip6.auto_flowlabel: 1 net.inet6.ip6.defmcasthlim: 1 net.inet6.ip6.gifhlim: 30 net.inet6.ip6.kame_version: 20010528/FreeBSD net.inet6.ip6.use_deprecated: 1 net.inet6.ip6.rr_prune: 5 net.inet6.ip6.v6only: 0 net.inet6.ip6.rtexpire: 3600 net.inet6.ip6.rtminexpire: 10 net.inet6.ip6.rtmaxcache: 128 net.inet6.ip6.use_tempaddr: 0 net.inet6.ip6.temppltime: 86400 net.inet6.ip6.tempvltime: 604800 net.inet6.ip6.auto_linklocal: 1 net.inet6.ip6.prefer_tempaddr: 0 net.inet6.ip6.use_defaultzone: 0 net.inet6.ip6.maxfrags: 6400 net.inet6.ip6.mcast_pmtu: 0 net.inet6.ip6.fw.deny_unknown_exthdrs: 1 net.inet6.ip6.fw.enable: 1 net.inet6.ip6.fw.debug: 1 net.inet6.ip6.fw.verbose: 0 net.inet6.ip6.fw.verbose_limit: 0 net.inet6.icmp6.rediraccept: 1 net.inet6.icmp6.redirtimeout: 600 net.inet6.icmp6.nd6_prune: 1 net.inet6.icmp6.nd6_delay: 5 net.inet6.icmp6.nd6_umaxtries: 3 net.inet6.icmp6.nd6_mmaxtries: 3 net.inet6.icmp6.nd6_useloopback: 1 net.inet6.icmp6.nodeinfo: 3 net.inet6.icmp6.errppslimit: 100 net.inet6.icmp6.nd6_maxnudhint: 0 net.inet6.icmp6.nd6_debug: 1 > > Two things to note: > > The dc0 interface has option VLAN_MTU. Don't know why. > > The dc0 interface is my gateway with ipv4mapping. > > At least these two does not seem to be relating to this problem. > > Thanks, > ---- > SUZUKI, Shinsuke _at_ KAME Project >Received on Mon Nov 07 2005 - 09:42:00 UTC
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