Date: Sat, 4 Feb 2017 13:44:21 -0700 From: Sean Bruno <sbruno@freebsd.org> To: freebsd-net@FreeBSD.org Subject: NFSROOT and lagg(4) Message-ID: <3b771270-245a-cf8a-9cbe-f55df7680812@freebsd.org>
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From: Sean Bruno <sbruno@freebsd.org>
To: freebsd-net@FreeBSD.org
Message-ID: <3b771270-245a-cf8a-9cbe-f55df7680812@freebsd.org>
Subject: NFSROOT and lagg(4)
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"what I want" is to pxe/netboot and then switch over to using a lagg(4)
interface that includes the interface used in the pxe/netboot boot up.
I suspect, I have to switch to MDROOT to do this, but I thought I'd ask
if anyone is doing this type of configuration in their labs?
What seems to happen is that I lose the nfsroot when I reconfigure the
lagg, and I no longer have access to reconfigure.
e.g. pxeboot from em0, then reconfigure networking to use em0/em1 in lagg=
0:
em0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 15=
00
options=3D5259b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,LR=
O,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO>
ether 00:30:18:c5:0a:a9
nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
em1: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 15=
00
options=3D5259b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,LR=
O,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO>
ether 00:30:18:c5:0a:a9
nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
lagg0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu =
1500
options=3D5259b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,LR=
O,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO>
ether 00:30:18:c5:0a:a9
inet 192.168.100.53 netmask 0xffffff00 broadcast 192.168.100.255
nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet autoselect
status: active
groups: lagg
laggproto lacp lagghash l2,l3,l4
laggport: em0 flags=3D1c<ACTIVE,COLLECTING,DISTRIBUTING>
laggport: em1 flags=3D1c<ACTIVE,COLLECTING,DISTRIBUTING>
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