OK. I actually verified the connectivity using SSH to port 22. it works. so I do not have any idea why it has problem on SCTP. need more help on this. is there anyway to enable debug? the version that I am using is lksctp-tools-1.0.10-7 On Mon, Jan 9, 2017 at 10:08 AM, Sun Paul <paulrbk@xxxxxxxxx> wrote: > Hi > > 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? > > > > On Fri, Jan 6, 2017 at 8:37 PM, Neil Horman <nhorman@xxxxxxxxxxxxx> wrote: >> On Fri, Jan 06, 2017 at 05:34:47PM +0800, Sun Paul wrote: >>> Hi >>> >>> 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. >>> >>> however, I found that there is no response from the SCTP server, any >>> idea on this? >>> >>> if I connect the client directly to the SCTP server, it do not have any issue. >>> >>> help pls >>> >>> rbk >>> -- >>> To unsubscribe from this list: send the line "unsubscribe linux-sctp" in >>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> >> >> Start with a tcpdump on the client and the server and attempt a connection, >> check to see if the INIT and INIT-ACK chunks are arriving appropriately. >> >> Neil >> -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
