[Bug 264198] bridge, ipfw: very slow network on bridge with IPFW, virtio or vtnet on 12.3-RELEASE-p5

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 264198] bhyve: very slow network with IPFW, virtio and Vlan on 12.3-RELEASE-p5"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 25 May 2022 10:02:09 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264198

--- Comment #6 from Ole <ol@dbconn.net> ---
vm # ifconfig 
vtnet0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu
1400
        options=80028<VLAN_MTU,JUMBO_MTU,LINKSTATE>
        ether 58:9c:fc:01:1d:65
        inet xx.xx.xx.xx netmask 0xfffffff0 broadcast yy.yy.yy.yy
        media: Ethernet 10Gbase-T <full-duplex>
        status: active
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
        inet 127.0.0.1 netmask 0xff000000
        groups: lo
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1400
        ether 02:33:ef:bb:7f:00
        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: vtnet0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 1 priority 128 path cost 2000
        member: epair0a flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 4 priority 128 path cost 2000
        groups: bridge
        nd6 options=9<PERFORMNUD,IFDISABLED>
epair0a: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0
mtu 1400
        options=8<VLAN_MTU>
        ether 02:cf:c1:ca:e6:0a
        groups: epair
        media: Ethernet 10Gbase-T (10Gbase-T <full-duplex>)
        status: active
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
epair0b: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1400
        options=8<VLAN_MTU>
        ether 02:cf:c1:ca:e6:0b
        inet aa.aa.aa.aa netmask 0xfffffff0 broadcast bb.bb.bb.bb
        groups: epair
        media: Ethernet 10Gbase-T (10Gbase-T <full-duplex>)
        status: active
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>

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