>>720
esp等のlfilter設定とポート解放を確認
PPPoEの時のconfig残しておいて、V6プラスで足りずを追加

tunnel1# tunnel select none
# ip filter 200030 pass * 192.168.100.0/24 icmp * *
# ip filter 200100 pass * 192.168.100.1 udp * 500
# ip filter 200101 pass * 192.168.100.1 esp * *
# ip filter 200102 pass * 192.168.100.1 udp * 4500
# ip filter 200103 pass * 192.168.100.1 udp * 1701
# nat descriptor masquerade static 1 1 192.168.100.1 udp 500
# nat descriptor masquerade static 1 2 192.168.100.1 esp
# nat descriptor masquerade static 1 3 192.168.100.1 udp 4500
# nat descriptor masquerade static 1 4 192.168.100.1 udp 1701

# tunnel select 1
tunnel1# ip tunnel secure filter in 200030 200100 200101 200102 200103 100

# save