Похоже, что внезапно сломался ipv6 на гугл сервисы:
ping6 ipv6.google.com -s 1300
PING ipv6.google.com(bud02s22-in-x00.1e100.net) 1300 data bytes
72 bytes from bud02s22-in-x00.1e100.net: icmp_seq=1 ttl=55 (truncated)
72 bytes from bud02s22-in-x00.1e100.net: icmp_seq=2 ttl=55 (truncated)
72 bytes from bud02s22-in-x00.1e100.net: icmp_seq=3 ttl=55 (truncated)
72 bytes from bud02s22-in-x00.1e100.net: icmp_seq=4 ttl=55 (truncated)
72 bytes from bud02s22-in-x00.1e100.net: icmp_seq=5 ttl=55 (truncated)
72 bytes from bud02s22-in-x00.1e100.net: icmp_seq=6 ttl=55 (truncated)
72 bytes from bud02s22-in-x00.1e100.net: icmp_seq=7 ttl=55 (truncated)
ping6 www.ipv6tf.org -s 1300
PING www.ipv6tf.org(2a02:2e00:f000:1500:20c:29ff:fef3:f557) 1300 data bytes
1308 bytes from 2a02:2e00:f000:1500:20c:29ff:fef3:f557: icmp_seq=1 ttl=49 time=171 ms
1308 bytes from 2a02:2e00:f000:1500:20c:29ff:fef3:f557: icmp_seq=2 ttl=49 time=218 ms
1308 bytes from 2a02:2e00:f000:1500:20c:29ff:fef3:f557: icmp_seq=3 ttl=49 time=171 ms
1308 bytes from 2a02:2e00:f000:1500:20c:29ff:fef3:f557: icmp_seq=4 ttl=49 time=171 ms
1308 bytes from 2a02:2e00:f000:1500:20c:29ff:fef3:f557: icmp_seq=5 ttl=49 time=171 ms
Туннель поднят на циске.
interface Tunnel1
description -= Hurricane Electric IPv6 Tunnel Broker =-
no ip address
ipv6 mtu 1480
ipv6 address <omitted>
ipv6 enable
ipv6 traffic-filter ToTunnelBroker in
ipv6 inspect tunnel-broker out
ipv6 virtual-reassembly
keepalive 10 3
tunnel source Loopback1
tunnel destination <omitted>
tunnel mode ipv6ip
end