| Ticket ID: SIXXS #9573014 Ticket Status: User PoP: brudi01 - (Uberlandia) 
Tunnel stopped working ![[br]](/s/countries/br.gif) Shadow Hawkins on Saturday, 15 June 2013 16:55:48 
Hi, i set up a new tunnel last week (T125258) according the instructions. It worked for two days and now stopped working. I cannot ping even the pop endpoint. A problem with the PoP maybe?
OS: CENTOS 6.4
 kernel 2.6.32-358.11.1.el6.x86_64ifconfig: eth0      Link encap:Ethernet  Endereo de HW C8:60:00:CB:D7:B3
          inet end.: 189.84.194.51  Bcast:189.84.194.55  Masc:255.255.255.248
          endereo inet6: fe80::ca60:ff:fecb:d7b3/64 Escopo:Link
          UP BROADCASTRUNNING MULTICAST  MTU:1500  Mtrica:1
          RX packets:905703 errors:0 dropped:0 overruns:0 frame:0
          TX packets:402674 errors:0 dropped:0 overruns:0 carrier:0
          colises:0 txqueuelen:1000
          RX bytes:466393069 (444.7 MiB)  TX bytes:76702452 (73.1 MiB)
          IRQ:18 Memria:fa600000-fa620000
eth1      Link encap:Ethernet  Endereo de HW 68:05:CA:16:20:2C
          inet end.: 10.10.2.1  Bcast:10.10.2.255  Masc:255.255.255.0
          endereo inet6: 2001:1291:200:84a5::1/64 Escopo:Global
          endereo inet6: fe80::6a05:caff:fe16:202c/64 Escopo:Link
          UP BROADCASTRUNNING MULTICAST  MTU:1500  Mtrica:1
          RX packets:4793059406 errors:0 dropped:1002 overruns:0 frame:0
          TX packets:4141225483 errors:0 dropped:0 overruns:0 carrier:0
          colises:0 txqueuelen:1000
          RX bytes:833938822335 (776.6 GiB)  TX bytes:990612155105 (922.5 GiB)
          IRQ:26 Memria:fa5c0000-fa5e0000
lo        Link encap:Loopback Local
          inet end.: 127.0.0.1  Masc:255.0.0.0
          endereo inet6: ::1/128 Escopo:Mquina
          UP LOOPBACKRUNNING  MTU:16436  Mtrica:1
          RX packets:25850 errors:0 dropped:0 overruns:0 frame:0
          TX packets:25850 errors:0 dropped:0 overruns:0 carrier:0
          colises:0 txqueuelen:0
          RX bytes:4588262 (4.3 MiB)  TX bytes:4588262 (4.3 MiB)
sixxs     Link encap:IPv6 sobre IPv4
          endereo inet6: 2001:1291:200:4a5::2/64 Escopo:Global
          endereo inet6: fe80::bd54:c233/128 Escopo:Link
          UP POINTOPOINT RUNNING NOARP  MTU:1280  Mtrica:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:79 errors:0 dropped:0 overruns:0 carrier:0
          colises:0 txqueuelen:0
          RX bytes:0 (0.0 b)  TX bytes:8088 (7.8 KiB)
/etc/sysconfig/network NETWORKING=yes
HOSTNAME=gerenciador.clustermce.mce.net.br
GATEWAY=189.84.194.49
IPV6INIT=yes
IPV6FORWARDING=yes
IPV6_DEFAULTGW=2001:1291:200:4a5::1
/etc/sysconfig/network-scripts/sixxs DEVICE=sixxs
BOOTPROTO=none
ONBOOT=yes
IPV6INIT=yes
IPV6_TUNNELNAME="SixXS"
IPV6TUNNELIPV4="201.48.254.14"
IPV6TUNNELIPV4LOCAL="189.84.194.51"
IPV6ADDR="2001:1291:200:4a5::2/64"
IPV6_MTU="1280"
TYPE=sit
iptables rules Chain INPUT (policy DROP 27 packets, 1347 bytes)
 pkts bytes target     prot opt in     out     source               destination
   38  3544 ACCEPT     icmp --  any    any     anywhere             anywhere
  384 74066 ACCEPT     all  --  lo     any     anywhere             anywhere
 128M   21G ACCEPT     all  --  any    any     anywhere             anywhere            ctstate RELATED,ESTABLISHED
    0     0 DROP       all  --  any    any     anywhere             anywhere            ctstate INVALID
  863 61968 ACCEPT     all  --  eth1   any     anywhere             anywhere
    1    52 ACCEPT     tcp  --  eth0   any     anywhere             anywhere            tcp dpt:ssh
    0     0 ACCEPT     tcp  --  eth0   any     anywhere             anywhere            tcp dpt:ftp-data
    0     0 ACCEPT     tcp  --  eth0   any     anywhere             anywhere            tcp dpt:ftp
    0     0 ACCEPT     tcp  --  eth0   any     anywhere             anywhere            tcp dpts:freeciv:6556
    0     0 ACCEPT     all  --  any    any     brudi01.sixxs.net    anywhere
    0     0 ACCEPT     all  --  any    any     nlhaa01.sixxs.net    anywhere
    0     0 ACCEPT     ipv6 --  any    any     anywhere             anywhere
Chain FORWARD (policy DROP 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination
   46 10702 ACCEPT     all  --  any    any     anywhere             anywhere            ctstate RELATED,ESTABLISHED
    9   468 DROP       all  --  any    any     anywhere             anywhere            ctstate INVALID
    4   288 ACCEPT     all  --  eth1   any     10.10.2.0/24         anywhere
Chain OUTPUT (policy ACCEPT 105M packets, 24G bytes)
 pkts bytes target     prot opt in     out     source               destination
ip6tables rules Chain INPUT (policy ACCEPT 10 packets, 896 bytes)
 pkts bytes target     prot opt in     out     source               destination
    0     0 DROP       tcp      sixxs  any     anywhere             anywhere            tcp dpt:http
    0     0 DROP       tcp      sixxs  any     anywhere             anywhere            tcp dpt:domain
    0     0 DROP       udp      sixxs  any     anywhere             anywhere            udp dpt:domain
Chain FORWARD (policy ACCEPT 2 packets, 192 bytes)
 pkts bytes target     prot opt in     out     source               destination
Chain OUTPUT (policy ACCEPT 101 packets, 9920 bytes)
 pkts bytes target     prot opt in     out     source               destination
ip -6 route show unreachable ::/96 dev lo  metric 1024  error -101 mtu 16436 advmss 16376 hoplimit 4294967295
unreachable ::ffff:0.0.0.0/96 dev lo  metric 1024  error -101 mtu 16436 advmss 16376 hoplimit 4294967295
2001:1291:200:4a5::/64 via :: dev sixxs  proto kernel  metric 256  mtu 1280 advmss 1220 hoplimit 4294967295
2001:1291:200:84a5::/64 dev eth1  proto kernel  metric 256  mtu 1500 advmss 1440 hoplimit 4294967295
unreachable 2002:a00::/24 dev lo  metric 1024  error -101 mtu 16436 advmss 16376 hoplimit 4294967295
unreachable 2002:7f00::/24 dev lo  metric 1024  error -101 mtu 16436 advmss 16376 hoplimit 4294967295
unreachable 2002:a9fe::/32 dev lo  metric 1024  error -101 mtu 16436 advmss 16376 hoplimit 4294967295
unreachable 2002:ac10::/28 dev lo  metric 1024  error -101 mtu 16436 advmss 16376 hoplimit 4294967295
unreachable 2002:c0a8::/32 dev lo  metric 1024  error -101 mtu 16436 advmss 16376 hoplimit 4294967295
unreachable 2002:e000::/19 dev lo  metric 1024  error -101 mtu 16436 advmss 16376 hoplimit 4294967295
unreachable 3ffe:ffff::/32 dev lo  metric 1024  error -101 mtu 16436 advmss 16376 hoplimit 4294967295
fe80::/64 dev eth0  proto kernel  metric 256  mtu 1500 advmss 1440 hoplimit 4294967295
fe80::/64 dev eth1  proto kernel  metric 256  mtu 1500 advmss 1440 hoplimit 4294967295
fe80::/64 via :: dev sixxs  proto kernel  metric 256  mtu 1280 advmss 1220 hoplimit 4294967295
default via 2001:1291:200:4a5::1 dev sixxs  metric 1  mtu 1280 advmss 1220 hoplimit 4294967295
 
Tunnel stopped working ![[br]](/s/countries/br.gif) Shadow Hawkins on Saturday, 15 June 2013 22:05:10 
Already solved it. Thanks =)
 
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