Router firewall may be the reason, but i need some help

checking these:
#ip6tables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
DROP all anywhere anywhere rt type:0
ACCEPT all anywhere anywhere state RELATED,ESTABLISHED
ACCEPT all anywhere anywhere state NEW
ACCEPT all anywhere anywhere state NEW
ACCEPT ipv6-nonxt anywhere anywhere length 40
ACCEPT all anywhere anywhere
ACCEPT all anywhere anywhere
ACCEPT udp anywhere anywhere udp dpt:546
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp destination-unreachable
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp packet-too-big
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp time-exceeded
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp parameter-problem
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp echo-request
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp echo-reply
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp type 130
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp type 131
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp type 132
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp router-solicitation
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp router-advertisement
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp neighbour-solicitation
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp neighbour-advertisement
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp type 141
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp type 142
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp type 143
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp type 148
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp type 149
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp type 151
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp type 152
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp type 153
DROP all anywhere anywhere
Chain FORWARD (policy DROP)
target prot opt source destination
DROP all anywhere anywhere state INVALID
ACCEPT all anywhere anywhere state RELATED,ESTABLISHED
DROP all anywhere anywhere rt type:0
TCPMSS tcp anywhere anywhere tcp flags:SYN,RST,ACK/SYN TCPMSS clamp to PMTU
ACCEPT all anywhere anywhere
ACCEPT all anywhere anywhere
ACCEPT ipv6-nonxt anywhere anywhere length 40
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp destination-unreachable
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp packet-too-big
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp time-exceeded
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp parameter-problem
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp echo-request
ACCEPT ipv6-icmp anywhere anywhere ipv6-icmp echo-reply
ACCEPT all anywhere anywhere
DROP all anywhere anywhere
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
DROP all anywhere anywhere rt type:0