Xen dom0 bridge interface drops a lot of RX packets?Setting up Windows network on XenXen Bridge only working...
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Xen dom0 bridge interface drops a lot of RX packets?
Setting up Windows network on XenXen Bridge only working when IP AssignedKVM/Libvirt bridged/routed networking not working on newer guest kernelsgentoo bonded nics dropping packetsIPv6: ADDRCONF(NETDEV_UP): eth2: link is not ready & IPv6: ADDRCONF(NETDEV_UP): xenbr2: link is not ready on Ubuntu Server - Xen bridgeKVM bridging for virtual machines is not workingqemu, kvm: Guest: No DHCPOFFERS receivedtcpdump on bridge interface (virbr) does not receive any packets destined for one of its addressesLinux: Bridging two ethernet connections together to allow second host onto first networkVLAN on Bridged Interface?
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I'm running Gentoo Hardened as Dom0. It also acts as a router/NAT. There's a bridge interface called br0 which contains a pci-e wlan card, ethernet nic & domU.
bridge name bridge id STP enabled interfaces
br0 8000.002590d4dffe no enp5s0
vif1.0
wlp1s0
Internet connectiong goes through enp6s0 and masquerades to br0. Dnsmasq is serving addresses to br0. I'm experiencing a huge amount of dropped RX packets:
br0: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST> mtu 1500
inet 192.168.0.1 netmask 255.255.255.0 broadcast 192.168.0.255
ether 00:25:90:d4:df:fe txqueuelen 0 (Ethernet)
RX packets 61866962 bytes 67532965037 (62.8 GiB)
RX errors 0 dropped 26876 overruns 0 frame 0
TX packets 51716758 bytes 65149682646 (60.6 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
They also show up on domU:
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.0.2 netmask 255.255.255.0 broadcast 192.168.0.255
ether 00:16:3e:73:d7:5f txqueuelen 1000 (Ethernet)
RX packets 4529002 bytes 4459840926 (4.1 GiB)
RX errors 0 dropped 35247 overruns 0 frame 0
TX packets 4487535 bytes 795673002 (758.8 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
I have no idea where to start debugging this. I've tried tcpdump and dropwatch. Here's output of ~10 seconds dropwatch run: http://pastebin.com/d0yUn9HD
xen bridge gentoo domu dom0
asked Oct 23 '13 at 19:38
ponkayponkay
63
bumped to the homepage by Community♦ 10 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
I'm running Gentoo Hardened as Dom0. It also acts as a router/NAT. There's a bridge interface called br0 which contains a pci-e wlan card, ethernet nic & domU.
bridge name bridge id STP enabled interfaces
br0 8000.002590d4dffe no enp5s0
vif1.0
wlp1s0
Internet connectiong goes through enp6s0 and masquerades to br0. Dnsmasq is serving addresses to br0. I'm experiencing a huge amount of dropped RX packets:
br0: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST> mtu 1500
inet 192.168.0.1 netmask 255.255.255.0 broadcast 192.168.0.255
ether 00:25:90:d4:df:fe txqueuelen 0 (Ethernet)
RX packets 61866962 bytes 67532965037 (62.8 GiB)
RX errors 0 dropped 26876 overruns 0 frame 0
TX packets 51716758 bytes 65149682646 (60.6 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
They also show up on domU:
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.0.2 netmask 255.255.255.0 broadcast 192.168.0.255
ether 00:16:3e:73:d7:5f txqueuelen 1000 (Ethernet)
RX packets 4529002 bytes 4459840926 (4.1 GiB)
RX errors 0 dropped 35247 overruns 0 frame 0
TX packets 4487535 bytes 795673002 (758.8 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
I have no idea where to start debugging this. I've tried tcpdump and dropwatch. Here's output of ~10 seconds dropwatch run: http://pastebin.com/d0yUn9HD
xen bridge gentoo domu dom0
asked Oct 23 '13 at 19:38
ponkayponkay
63
bumped to the homepage by Community♦ 10 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
I'm running Gentoo Hardened as Dom0. It also acts as a router/NAT. There's a bridge interface called br0 which contains a pci-e wlan card, ethernet nic & domU.
bridge name bridge id STP enabled interfaces
br0 8000.002590d4dffe no enp5s0
vif1.0
wlp1s0
Internet connectiong goes through enp6s0 and masquerades to br0. Dnsmasq is serving addresses to br0. I'm experiencing a huge amount of dropped RX packets:
br0: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST> mtu 1500
inet 192.168.0.1 netmask 255.255.255.0 broadcast 192.168.0.255
ether 00:25:90:d4:df:fe txqueuelen 0 (Ethernet)
RX packets 61866962 bytes 67532965037 (62.8 GiB)
RX errors 0 dropped 26876 overruns 0 frame 0
TX packets 51716758 bytes 65149682646 (60.6 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
They also show up on domU:
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.0.2 netmask 255.255.255.0 broadcast 192.168.0.255
ether 00:16:3e:73:d7:5f txqueuelen 1000 (Ethernet)
RX packets 4529002 bytes 4459840926 (4.1 GiB)
RX errors 0 dropped 35247 overruns 0 frame 0
TX packets 4487535 bytes 795673002 (758.8 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
I have no idea where to start debugging this. I've tried tcpdump and dropwatch. Here's output of ~10 seconds dropwatch run: http://pastebin.com/d0yUn9HD
xen bridge gentoo domu dom0
asked Oct 23 '13 at 19:38
ponkayponkay
63
I'm running Gentoo Hardened as Dom0. It also acts as a router/NAT. There's a bridge interface called br0 which contains a pci-e wlan card, ethernet nic & domU.
bridge name bridge id STP enabled interfaces
br0 8000.002590d4dffe no enp5s0
vif1.0
wlp1s0
Internet connectiong goes through enp6s0 and masquerades to br0. Dnsmasq is serving addresses to br0. I'm experiencing a huge amount of dropped RX packets:
br0: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST> mtu 1500
inet 192.168.0.1 netmask 255.255.255.0 broadcast 192.168.0.255
ether 00:25:90:d4:df:fe txqueuelen 0 (Ethernet)
RX packets 61866962 bytes 67532965037 (62.8 GiB)
RX errors 0 dropped 26876 overruns 0 frame 0
TX packets 51716758 bytes 65149682646 (60.6 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
They also show up on domU:
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.0.2 netmask 255.255.255.0 broadcast 192.168.0.255
ether 00:16:3e:73:d7:5f txqueuelen 1000 (Ethernet)
RX packets 4529002 bytes 4459840926 (4.1 GiB)
RX errors 0 dropped 35247 overruns 0 frame 0
TX packets 4487535 bytes 795673002 (758.8 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
I have no idea where to start debugging this. I've tried tcpdump and dropwatch. Here's output of ~10 seconds dropwatch run: http://pastebin.com/d0yUn9HD
xen bridge gentoo domu dom0
xen bridge gentoo domu dom0
asked Oct 23 '13 at 19:38
ponkayponkay
63
asked Oct 23 '13 at 19:38
ponkayponkay
63
asked Oct 23 '13 at 19:38
ponkayponkay
63
asked Oct 23 '13 at 19:38
ponkayponkay
63
asked Oct 23 '13 at 19:38
ponkayponkay
63
63
bumped to the homepage by Community♦ 10 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
bumped to the homepage by Community♦ 10 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
add a comment |
1 Answer
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Dropping packets is a sign of being overrun.
Look at ethtool -g eth0 and see if you can raise the receive-buffers.
Doing so will shortly (1-2s) reset the link.
answered Nov 6 '13 at 22:26
NilsNils
6,74922363
add a comment |
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Dropping packets is a sign of being overrun.
Look at ethtool -g eth0 and see if you can raise the receive-buffers.
Doing so will shortly (1-2s) reset the link.
answered Nov 6 '13 at 22:26
NilsNils
6,74922363
add a comment |
Dropping packets is a sign of being overrun.
Look at ethtool -g eth0 and see if you can raise the receive-buffers.
Doing so will shortly (1-2s) reset the link.
answered Nov 6 '13 at 22:26
NilsNils
6,74922363
add a comment |
Dropping packets is a sign of being overrun.
Look at ethtool -g eth0 and see if you can raise the receive-buffers.
Doing so will shortly (1-2s) reset the link.
answered Nov 6 '13 at 22:26
NilsNils
6,74922363
Dropping packets is a sign of being overrun.
Look at ethtool -g eth0 and see if you can raise the receive-buffers.
Doing so will shortly (1-2s) reset the link.
answered Nov 6 '13 at 22:26
NilsNils
6,74922363
answered Nov 6 '13 at 22:26
NilsNils
6,74922363
answered Nov 6 '13 at 22:26
NilsNils
6,74922363
answered Nov 6 '13 at 22:26
NilsNils
6,74922363
6,74922363
add a comment |
add a comment |
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