J4350 Tunnel not working

[YDN]

Hello,

I just setup a new tunnel (YDN-1.tunnel.tserv8.dal1.ipv6.he.net) and at this point I cannot ping the IPv6 "Server" side of the tunnel. Here is my JUNOS config:

interfaces {
    ge-0/0/0 {
        unit 0 {
            family inet {
                address 64.198.137.36/29;
            }
        }
    }
    ip-0/0/0 {
        unit 0 {
            tunnel {
                source 64.198.137.36;
                destination 216.218.224.42;
            }
            family inet6 {
                address 2001:470:1f0e:2e8::2/64;
            }
        }
    }
}
routing-options {
    rib inet6.0 {
        static {
            route ::/0 next-hop 2001:470:1f0e:2e8::1;
        }
    }
    static {
        route 0.0.0.0/0 next-hop 64.198.137.33;
        }
}

I think it is correct, but how do I troubleshoot where the problem is? There is not a firewall that I'm aware of in front of the router blocking IP Proto 41. I'm not sure if the ISP is blocking it for some reason at this point. I just want to be sure I'm not missing something before I open a ticket with them.

Thanks,
/Eric