tap on lagg ?

Vincent Olivier vincent at up4.com
Mon Mar 20 22:41:43 UTC 2017


Hello,

Sorry for waiting so long. I don’t know if i’m doing it right but I tried «  -vlanhwtag » all the interfaces and I’m still having problems. Namely (as I didn’t have this information before) that all participating interfaces in the bridge itself are in promiscuous mode (and, if that is related) I cannot ssh into the host machine from any bhyve virtual machine. My goal is to be able to ssh and mount host nfs exports onto the VMs. Doing a « -promisc » on all the interfaces won’t change anything. Can someone help? Pleas find below a ifconfig dump.

Regards,

Vincent


igb0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
	options=6403ab<RXCSUM,TXCSUM,VLAN_MTU,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6>
	ether 54:a0:50:88:88:c6
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: Ethernet 1000baseT <full-duplex>
	status: active
igb1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
	options=6403ab<RXCSUM,TXCSUM,VLAN_MTU,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6>
	ether 54:a0:50:88:88:c6
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: Ethernet 1000baseT <full-duplex>
	status: active
igb2: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
	options=6403ab<RXCSUM,TXCSUM,VLAN_MTU,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6>
	ether 54:a0:50:88:88:c6
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: Ethernet 1000baseT <full-duplex>
	status: active
igb3: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
	options=6403ab<RXCSUM,TXCSUM,VLAN_MTU,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6>
	ether 54:a0:50:88:88:c6
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: Ethernet 1000baseT <full-duplex>
	status: active
cxl0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
	options=ec07bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWTSO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
	ether 00:07:43:37:47:70
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: Ethernet none
	status: no carrier
cxl1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9000
	options=ec07bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWTSO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
	ether 00:07:43:37:47:78
	inet 192.168.11.5 netmask 0xffffff00 broadcast 192.168.11.255 
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: Ethernet 10Gbase-Twinax <full-duplex>
	status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
	options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
	inet6 ::1 prefixlen 128 
	inet6 fe80::1%lo0 prefixlen 64 scopeid 0x7 
	inet 127.0.0.1 netmask 0xff000000 
	nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
	groups: lo 
lagg0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
	options=6403ab<RXCSUM,TXCSUM,VLAN_MTU,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6>
	ether 54:a0:50:88:88:c6
	inet 192.168.1.23 netmask 0xffffff00 broadcast 192.168.1.255 
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: Ethernet autoselect
	status: active
	groups: lagg 
	laggproto lacp lagghash l2,l3,l4
	laggport: igb0 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING>
	laggport: igb1 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING>
	laggport: igb2 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING>
	laggport: igb3 flags=0<>
bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
	description: vm-lan1g
	ether 02:f7:d6:01:1a:00
	nd6 options=1<PERFORMNUD>
	groups: bridge 
	id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
	maxage 20 holdcnt 6 proto rstp maxaddr 2000 timeout 1200
	root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0
	member: tap1 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
	        ifmaxaddr 0 port 11 priority 128 path cost 2000000
	member: tap0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
	        ifmaxaddr 0 port 10 priority 128 path cost 2000000
	member: lagg0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
	        ifmaxaddr 0 port 8 priority 128 path cost 6666
tap0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
	description: vmnet-unifi-0-lan1g
	options=80000<LINKSTATE>
	ether 00:bd:b9:51:fa:00
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: Ethernet autoselect
	status: active
	groups: tap 
	Opened by PID 1523
tap1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
	description: vmnet-docker-0-lan1g
	options=80000<LINKSTATE>
	ether 00:bd:41:36:d7:01
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: Ethernet autoselect
	status: active
	groups: tap 
	Opened by PID 16378

> Le 7 févr. 2017 à 03:53, Ruben <mail at osfux.nl> a écrit :
> 
> Hi Vincent,
> 
>> Didn’t try it it with disabling the tso/lro/vlanhwtagging features. Will try again with those disabled.
>> 
>> 
>>> I have no experience in comparable setups without the vlan "layer" though.
>> 
>> My setup didn’t involve vlans, only this: tap <—> bridge <—> lagg <—> igb0, igb1, igb2, igb3
>> 
>> Do you think that could be it? I have no need for a vlan here, though…
>> 
>> 
>>> What seems to be your predicament?
>> The tap would fail to « up » with an error message (that I forgot to note).
> 
> I haven't had any trouble "upping" taps (even with the offloading
> features enabled) but since I mostly use the
> 
> net.link.tap.up_on_open=1
> 
> sysctl setting I can't say I have manually upped them a lot (and didn't
> look at logfiles that much since stuff just worked).
> 
> 
>> 
>> 
>> I will try to do it again with the aforementioned features disabled (but without a vlan layer) and report back here.
> 
> Im curious about your findings!
> 
> Regards,
> 
> Ruben



More information about the freebsd-virtualization mailing list