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Date:      Wed, 25 May 2022 10:02:09 +0000
From:      bugzilla-noreply@freebsd.org
To:        virtualization@FreeBSD.org
Subject:   [Bug 264198] bridge, ipfw: very slow network on bridge with IPFW, virtio or vtnet on 12.3-RELEASE-p5
Message-ID:  <bug-264198-27103-4dAlmzfLqk@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-264198-27103@https.bugs.freebsd.org/bugzilla/>
References:  <bug-264198-27103@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D264198

--- Comment #6 from Ole <ol@dbconn.net> ---
vm # ifconfig=20
vtnet0: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric=
 0 mtu
1400
        options=3D80028<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=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
lo0: flags=3D8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=3D680003<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=3D21<PERFORMNUD,AUTO_LINKLOCAL>
bridge0: flags=3D8843<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=3D143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 1 priority 128 path cost 2000
        member: epair0a flags=3D143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 4 priority 128 path cost 2000
        groups: bridge
        nd6 options=3D9<PERFORMNUD,IFDISABLED>
epair0a: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metri=
c 0
mtu 1400
        options=3D8<VLAN_MTU>
        ether 02:cf:c1:ca:e6:0a
        groups: epair
        media: Ethernet 10Gbase-T (10Gbase-T <full-duplex>)
        status: active
        nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
epair0b: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu =
1400
        options=3D8<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=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>

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