On Tue, Aug 28, 2018 at 5:17 PM Marius Halden <mariu...@lden.org> wrote:
> On Wed, Aug 29, 2018, at 01:50, Kevin Oberman wrote: > > On Tue, Aug 28, 2018 at 1:14 PM Marius Halden <mariu...@lden.org> wrote: > > > > > On Tue, Aug 28, 2018, at 21:34, Navdeep Parhar wrote: > > > > On 8/28/18 12:30 PM, Marius Halden wrote: > > > > > tx_frames does move, rx_frames is stuck at zero. The following > > > counters are non-zero and does increase when traffic is sent through > the > > > interface, all other are stuck at zero: > > > > > > > > > > dev.cxl.0.stats.tx_frames_65_127: 26083 > > > > > dev.cxl.0.stats.tx_frames_64: 4084 > > > > > dev.cxl.0.stats.tx_mcast_frames: 26083 > > > > > dev.cxl.0.stats.tx_bcast_frames: 4084 > > > > > dev.cxl.0.stats.tx_frames: 30167 > > > > > dev.cxl.0.stats.tx_octets: 2608846 > > > > > > > > > > Anything else I should look at? > > > > > > > > > > > > > What is on the other side of the link? Look at the peer's rx stats > and > > > > see if it received the frames that cxl0 claims it has transmitted or > not. > > > > > > Our ISPs router is connected to the other side. Unfortunately I don't > have > > > access to any of the counters, but from what I understood when > originally > > > debugging this with our ISP they did not see any traffic. If needed I > can > > > ask them to check the rx counters tomorrow. > > > > > > -- > > > Marius Halden > > > > > > > This looks a lot like either a routing or NDP issue with the adjacent > > router. Well, an NDP issue devolves to a routing issue. It also possible > > that RDP is an issue, but, if you can't ping the opposite end, that > > eliminates RDP. You might check for NDP traffic with tcpdump or wireshark > > when the connection is restored. If you are not IPv6 conversant, NDP is > the > > IPv6 replacement for ARP and it's pretty obvious how this would impact > your > > connectivity. > > I do see ARP requests and neighbor solicitations with tcpdump, but not any > replies for either. Though I'm pretty sure that's just a symptom of the > problem and not the root cause considering both ipv4 and ipv6 will start > working again if the SFP is removed and reinserted. > > What is RDP in this context? > > -- > Marius Halden > Router Discovery Protocol. Since you are unable to communicate with the adjacent system, RDP is not relevant. I do agree that this is almost certainly a hardware/driver issue. -- Kevin Oberman, Part time kid herder and retired Network Engineer E-mail: rkober...@gmail.com PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683 _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
