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An ISP employee here. We did nothing particular to support SCTP, so I got curious whenever it works. Just ran a pair of socat's (sctp-listen:12345 and sctp:exam
by drdaeman 13y ago
An ISP employee here. We did nothing particular to support SCTP, so I got curious whenever it works. Just ran a pair of socat's (sctp-listen:12345 and sctp:example.org:12345) and it worked perfectly.
In our setup, NAT's done on a GNU/Linux machines in a simplest possible way, almost like `iptables -t nat -A POSTROUTING -s 10.0.0.0/8 -o eth1 -j MASQUERADE` (we offer dynamic globally-routeable IPv4 addresses first, but when our pools are drained, we have no choice but do NAT for v4). So, it seems, almost every ISP who uses software routers (they're stable, performant and cheap) should be SCTP-friendly.
No idea about Ciscos and alikes, though. None we have does NAT, and given I'm not a Cisco guy I'm not going to reconfigure one just to test things.