Messages in this thread | | | From | Sun Paul <> | Date | Mon, 9 Jan 2017 18:00:36 +0800 | Subject | Re: Problem on SCTP |
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Hi
the linux router just change the destination, so it can arrive on the the SERVER.
On Mon, Jan 9, 2017 at 5:51 PM, David Laight <David.Laight@aculab.com> wrote: > From: Sun Paul >> Sent: 09 January 2017 02:08 > >> >> I am setting up a lab where the SCTP traffics from client is passing >> >> through a linux router before reaching to the SCTP server running >> >> LKSCTP. >> >> >> >> The linux router did not change the source address of the client, so >> >> when it arrived to the SCTP server, the source address is the oriingal >> >> one. >> >> the INIT chunk arrive on the SERVER, but then no response. the >> application that using in SERVER is the same as the other test. >> >> I noticed one thing in Ethernet frame of the incoming packet on the >> SERVER compared to the one captured from the client is the LG bit on >> the source address. >> >> The LG bit is set to 0 on the request packet received in the >> SERVER,but it is 0 from the one originated on the client. willl it be >> the root cause? > > Which addresses are you talking about, and what do you mean by the LG bit? > > Is your linux 'router' just routing (ie IP forwarding) or is it doing NAT? > If it is changing the IP addresses then the addresses inside some SCTP > chunks also need changing. > > David >
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