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From: | Stefan Priebe - Profihost AG |
Subject: | [Qemu-devel] dropped pkts with Qemu on tap interace (RX) |
Date: | Tue, 2 Jan 2018 12:17:29 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 |
Hello, currently i'm trying to fix a problem where we have "random" missing packets. We're doing an ssh connect from machine a to machine b every 5 minutes via rsync and ssh. Sometimes it happens that we get this cron message: "Connection to 192.168.0.2 closed by remote host. rsync: connection unexpectedly closed (0 bytes received so far) [sender] rsync error: unexplained error (code 255) at io.c(226) [sender=3.1.2] ssh: connect to host 192.168.0.2 port 22: Connection refused" The tap devices on the target vm shows dropped RX packages on BOTH tap interfaces - strangely with the same amount of pkts? # ifconfig tap317i0; ifconfig tap317i1 tap317i0 Link encap:Ethernet HWaddr 6e:cb:65:94:bb:bf UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1 RX packets:2238445 errors:0 dropped:13159 overruns:0 frame:0 TX packets:9655853 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:177991267 (169.7 MiB) TX bytes:910412749 (868.2 MiB) tap317i1 Link encap:Ethernet HWaddr 96:f8:b5:d0:9a:07 UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1 RX packets:1516085 errors:0 dropped:13159 overruns:0 frame:0 TX packets:1446964 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1597564313 (1.4 GiB) TX bytes:3517734365 (3.2 GiB) Any ideas how to inspect this issue? Greets, Stefan
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