Packet loss on vmbr1

[gorskiy]

Hi, I have a lot of packet loss on the bridge vmbr1 what could be the problem?

root@pve:~# ifconfig
enp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
ether 00:e0:4c:70:67:40 txqueuelen 1000 (Ethernet)
RX packets 18175234 bytes 3330507044 (3.1 GiB)
RX errors 0 dropped 109 overruns 0 frame 0
TX packets 34932205 bytes 44679643001 (41.6 GiB)
TX errors 1 dropped 0 overruns 0 carrier 0 collisions 0

enp4s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
ether 74:27:ea:da:75:ac txqueuelen 1000 (Ethernet)
RX packets 34981326 bytes 44651445588 (41.5 GiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 18072801 bytes 3264890766 (3.0 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 311883 bytes 35884544 (34.2 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 311883 bytes 35884544 (34.2 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

tap100i0: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST> mtu 1500
ether b6:81:ea:18:35:de txqueuelen 1000 (Ethernet)
RX packets 34500761 bytes 44602832574 (41.5 GiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 17924781 bytes 3284836699 (3.0 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

tap100i1: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST> mtu 1500
ether 62:5c:42:6d:5b:84 txqueuelen 1000 (Ethernet)
RX packets 18072077 bytes 3264821698 (3.0 GiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 34980545 bytes 44650400474 (41.5 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

vmbr0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.3 netmask 255.255.255.0 broadcast 0.0.0.0
inet6 fe80::2e0:4cff:fe70:6740 prefixlen 64 scopeid 0x20<link>
ether 00:e0:4c:70:67:40 txqueuelen 1000 (Ethernet)
RX packets 362071 bytes 65168468 (62.1 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 430780 bytes 77616586 (74.0 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

vmbr1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet6 2a00:8740:1b:210:7627:eaff:feda:75ac prefixlen 64 scopeid 0x0<global>
inet6 fe80::7627:eaff:feda:75ac prefixlen 64 scopeid 0x20<link>
ether 74:27:ea:da:75:ac txqueuelen 1000 (Ethernet)
RX packets 163229 bytes 8841222 (8.4 MiB)
RX errors 0 dropped 160069 overruns 0 frame 0
TX packets 733 bytes 69882 (68.2 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

 

[gorskiy]

There are no losses on the physical interface enp4s0, and almost 100% on vmbr1. How can this be?

vmbr1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet6 2a00:8740:1b:210:7627:eaff:feda:75ac prefixlen 64 scopeid 0x0 inet6 fe80::7627:eaff:feda:75ac prefixlen 64 scopeid 0x20 ether 74:27:ea:da:75:ac txqueuelen 1000 (Ethernet)
RX packets 163229 bytes 8841222 (8.4 MiB)
RX errors 0 dropped 160069 overruns 0 frame 0
TX packets 733 bytes 69882 (68.2 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0