Date: Sat, 26 Jul 2014 13:02:32 -0300 From: Marcelo Gondim <gondim@bsdinfo.com.br> To: FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: IPv6 alias do not respond from outside - resolved Message-ID: <53D3D118.9060307@bsdinfo.com.br> In-Reply-To: <53D2EAAF.8070707@bsdinfo.com.br> References: <53D2EAAF.8070707@bsdinfo.com.br>
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Em 25/07/2014 20:39, Marcelo Gondim escreveu: > Dear, > > I'm having the following problem: > > Host A (my network): > =================== > em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 > options=4219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC,VLAN_HWTSO> > > ether 00:1e:67:30:ea:27 > inet 186.xxx.48.3 netmask 0xffffffe0 broadcast 186.xxx.48.31 > inet6 fe80::21e:67ff:fe30:ea27%em0 prefixlen 64 scopeid 0x1 > inet6 2805:xxxx:dead::3 prefixlen 64 > inet 186.xxx.48.4 netmask 0xffffffff broadcast 186.xxx.48.4 > inet 186.xxx.48.5 netmask 0xffffffff broadcast 186.xxx.48.5 > inet6 2805:xxxx:dead::5 prefixlen 64 > inet6 2805:xxxx:dead::4 prefixlen 64 > nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> > media: Ethernet autoselect (1000baseT <full-duplex>) > status: active > > Router (Internet): > =============== > vlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu > 1500 > options=303<RXCSUM,TXCSUM,TSO4,TSO6> > ether 00:1b:21:89:25:32 > inet 186.xxx.48.1 netmask 0xffffffe0 broadcast 186.xxx.48.31 > inet6 fe80::21b:21ff:fe89:2532%vlan0 prefixlen 64 scopeid 0x10 > inet6 2805:xxxx:dead::1 prefixlen 64 > nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> > media: Ethernet autoselect (10Gbase-SR <full-duplex>) > status: active > vlan: 3081 parent interface: ix0 > > Host B (Datacenter OVH): > ====================== > eth0 Link encap:Ethernet HWaddr 00:27:0e:36:67:ae > inet addr:91.xxx.115.215 Bcast:91.xxx.115.255 > Mask:255.255.255.0 > inet6 addr: fe80::227:eff:fe36:67ae/64 Scope:Link > inet6 addr: 2001:xxxx:1:aad7::1/64 Scope:Global > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:680611577 errors:0 dropped:115467 overruns:0 frame:0 > TX packets:410997111 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:929626301412 (865.7 GiB) TX bytes:28858569748 > (26.8 GiB) > > > > If I try to ping the origin Host Bto destination 2805:xxxx:dead::3, I > get an answer correctly: > > (hostb)# ping6 2805:xxxx:dead::3 > PING 2805:xxxx:dead::3(2805:xxxx:dead::3) 56 data bytes > 64 bytes from 2805:xxxx:dead::3: icmp_seq=1 ttl=55 time=219 ms > 64 bytes from 2805:xxxx:dead::3: icmp_seq=2 ttl=55 time=218 ms > 64 bytes from 2805:xxxx:dead::3: icmp_seq=3 ttl=55 time=219 ms > 64 bytes from 2805:xxxx:dead::3: icmp_seq=4 ttl=55 time=218 ms > > But it does not ping 2805:xxxx:dead::4 and 2805:xxxx:dead::5: > > (hostb)# ping6 2805:xxxx:dead::4 > PING 2805:xxxx:dead::4(2805:xxxx:dead::4) 56 data bytes > From 2001:xxxx:2001:1001::96 icmp_seq=2 Destination unreachable: > Address unreachable > From 2001:xxxx:2001:1001::96 icmp_seq=8 Destination unreachable: > Address unreachable > > Now if I do a ping from the router to Host A, it goes to work: > > (router)# ping6 2805:xxxx:dead::4 > PING6(56=40+8+8 bytes) 2805:xxxx:dead::1 --> 2805:xxxx:dead::4 > 16 bytes from 2805:xxxx:dead::4, icmp_seq=0 hlim=64 time=13.550 ms > 16 bytes from 2805:xxxx:dead::4, icmp_seq=1 hlim=64 time=7.776 ms > > (hostb)# ping6 2805:xxxx:dead::4 > PING 2805:xxxx:dead::4(2805:xxxx:dead::4) 56 data bytes > 64 bytes from 2805:xxxx:dead::4: icmp_seq=1 ttl=56 time=219 ms > 64 bytes from 2805:xxxx:dead::4: icmp_seq=2 ttl=56 time=218 ms > 64 bytes from 2805:xxxx:dead::4: icmp_seq=3 ttl=56 time=219 ms > > Why work now? > > FreeBSD xxxxx 10.0-STABLE FreeBSD 10.0-STABLE #10 r267839: Thu Jul 10 > 15:35:04 BRT 2014 root@xxxxx:/usr/obj/usr/src/sys/GONDIM amd64 > > Thanks and best regards, > Gondim > > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > Dear, The problem was only one Firewall rule. Sorry. Gondim
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