Re: tracking TCP session hop by hop

2017-11-29 Thread Yifeng Zhou
Thank you all for the reply! I think traceroute/tcptraceroute is a good way to track tcp session as we can use same 5 tuple as normal TCP does. Bill brought up an interesting point about MPLS and Ethernet, I give it a bit of think and here's what i can tell, please correct me if i'm wrong for MP

Re: tracking TCP session hop by hop

2017-11-29 Thread Peter Phaal
On Wed, Nov 29, 2017 at 9:06 AM, William Herrin wrote: > On Tue, Nov 28, 2017 at 3:48 PM, Yifeng Zhou > wrote: > > > Is there any way that we can track TCP session hop by hop? > > > > Say we have 10 ECMP between A and Z point, what's the easiest way to > track > > specific session is using which

Re: tracking TCP session hop by hop

2017-11-29 Thread William Herrin
On Tue, Nov 28, 2017 at 3:48 PM, Yifeng Zhou wrote: > Is there any way that we can track TCP session hop by hop? > > Say we have 10 ECMP between A and Z point, what's the easiest way to track > specific session is using which path? How we can check between > servers(Linux/Unix) and between Router

RE: tracking TCP session hop by hop

2017-11-29 Thread Tyler Applebaum
Somebody needs to renew their Let's Encrypt SSL cert. -Original Message- From: NANOG [mailto:nanog-boun...@nanog.org] On Behalf Of Jennifer Rexford Sent: Wednesday, November 29, 2017 8:08 AM To: Yifeng Zhou Cc: nanog@nanog.org Subject: Re: tracking TCP session hop by hop https://

Re: tracking TCP session hop by hop

2017-11-29 Thread Jennifer Rexford
https://paris-traceroute.net/ > On Nov 28, 2017, at 3:48 PM, Yifeng Zhou wrote: > > Hi Experts, > > Is there any way that we can track TCP session hop by hop? > > Say we have 10 ECMP between A and Z point, what's the easiest way to track > specific session is us

Re: tracking TCP session hop by hop

2017-11-29 Thread Ruairi Carroll
Have a look at tcptraceroute: https://github.com/mct/tcptraceroute/blob/master/examples.txt On 28 November 2017 at 20:48, Yifeng Zhou wrote: > Hi Experts, > > Is there any way that we can track TCP session hop by hop? > > Say we have 10 ECMP between A and Z point, what's the easiest way to tra

tracking TCP session hop by hop

2017-11-29 Thread Yifeng Zhou
Hi Experts, Is there any way that we can track TCP session hop by hop? Say we have 10 ECMP between A and Z point, what's the easiest way to track specific session is using which path? How we can check between servers(Linux/Unix) and between Routers(Cisco/Juniper etc)? Thanks -Yifeng