define your transport, are you talking a layer 2 circuit, vpn tunnel, fiber, etc?
On Wed, Oct 26, 2016 at 4:24 PM, George Skorup <geo...@cbcast.com> wrote: > The manual 100FD interface... what is that talking to? The Auto 1G on R1? > If that's the case, I'd bet that's your problem. Keep in mind that you > cannot run auto on one side and fixed FDX on the other side. This results > in a duplex mismatch. The interface in auto will fall back to HDX. If you > did auto one side and HDX on the other side, they'd both be HDX, so it > would work fine. But obviously half duplex sux. > > On 10/26/2016 1:54 PM, Christopher Gray wrote: > > R1 is the only router with 1 Gbps ports. Everything is auto except 1 > connection that requires manual settings. > > *R1* -- (Auto 1 G FD) ...Internet... (Manual 100 FD) -- *R2 *-- (Auto 100 > FD) -- *R3* -- (Auto 100 FD) ...M5... (Auto 100 FD) -- *R4* > > MTU is set to 1500 on every port (and the UBNT link). > > Flow control is off, and none of the interfaces show any pause frames > received. > > > This is a live link, but it is only running ~ 1 Mbps otherwise. > > > > On Wed, Oct 26, 2016 at 2:12 PM, Steve <li...@wavedirect.org> wrote: > >> Few questions come to mind. >> >> Are all set to auto negotiate or are they fixed at 100Mbit? >> What are the MTU's of each connection? >> Flow control turned on? >> >> >> ----- Original Message ----- >> From: "Christopher Gray" <cg...@graytechsoftware.com> >> To: "af" <af@afmug.com> >> Sent: Wednesday, October 26, 2016 1:57:56 PM >> Subject: [AFMUG] Trouble Identifying Throughput Issue >> >> I have a section of my network that is lacking something, and I can't >> figure out where the problem is. I'm looking for any thoughts / >> suggestions. >> >> 4x MikroTik routers >> >> Link speeds: >> R1 -- (30 Mbps IP / Transport) -- R2 -- (100 Mbps Eth) -- R3 -- (75 Mbps >> UBNT M5) -- R4 >> >> The limiting factor for traffic should be the Transport, and I expect to >> be >> able to get 30 Mbps across the system (one-way). >> >> Testing from R1 to R3 runs 30 Mbps. >> >> Testing from R2 to R4 runs 75 Mbps. >> >> Testing from R1 to R4 only runs 10 Mbps (instead of 30). >> >> Tests were one-way btest with 20 TCP streams. >> >> Any ideas for something that would cause this? >> > > > -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.