> How are you configuring the bridge interface and dhcpcd? > Does it work as the above?
No.
root@albatross:~# ip link show dev eth0
2: eth0: <BROADCAST,MULTICAST,PROMISC> mtu 1500 qdisc pfifo_fast state DOWN
qlen 1000
link/ether 20:cf:30:2a:7c:07 brd ff:ff:ff:ff:ff:ff
root@albatross:~# ip link set eth0 up
root@albatross:~# brctl addbr br0
root@albatross:~# brctl addif br0 eth0
root@albatross:~# ip link set br0 up
root@albatross:~# brctl show
bridge name bridge id STP enabled interfaces
br0 8000.20cf302a7c07 no eth0
root@albatross:~# brctl showstp br0
br0
bridge id 8000.20cf302a7c07
designated root 8000.20cf302a7c07
root port 0 path cost 0
max age 20.00 bridge max age 20.00
hello time 2.00 bridge hello time 2.00
forward delay 15.00 bridge forward delay 15.00
ageing time 300.01
hello timer 0.61 tcn timer 0.00
topology change timer 0.00 gc timer 299.24
flags
eth0 (1)
port id 8001 state forwarding
designated root 8000.20cf302a7c07 path cost 4
designated bridge 8000.20cf302a7c07 message age timer 0.00
designated port 8001 forward delay timer 13.66
designated cost 0 hold timer 0.00
flags
root@albatross:~# dhcpcd -dB br0
dhcpcd[23098]: version 5.2.12 starting
dhcpcd[23098]: br0: using hwaddr 20:cf:30:2a:7c:07
dhcpcd[23098]: br0: executing `/lib/dhcpcd/dhcpcd-run-hooks', reason PREINIT
dhcpcd[23098]: br0: executing `/lib/dhcpcd/dhcpcd-run-hooks', reason CARRIER
dhcpcd[23098]: br0: broadcasting for a lease
dhcpcd[23098]: br0: sending DISCOVER (xid 0xcb4fa2d2), next in 4.68 seconds
dhcpcd[23098]: br0: sending DISCOVER (xid 0xcb4fa2d2), next in 7.65 seconds
dhcpcd[23098]: br0: sending DISCOVER (xid 0xcb4fa2d2), next in 16.12 seconds
dhcpcd[23098]: br0: sending DISCOVER (xid 0xcb4fa2d2), next in 32.08 seconds
dhcpcd[23098]: timed out
dhcpcd[23098]: allowing 8 seconds for IPv4LL timeout
dhcpcd[23098]: br0: probing for an IPv4LL address
dhcpcd[23098]: br0: checking for 169.254.248.32
dhcpcd[23098]: br0: sending ARP probe (1 of 3), next in 1.42 seconds
dhcpcd[23098]: br0: sending ARP probe (2 of 3), next in 1.60 seconds
dhcpcd[23098]: br0: sending ARP probe (3 of 3), next in 2.00 seconds
dhcpcd[23098]: br0: using IPv4LL address 169.254.248.32
dhcpcd[23098]: br0: adding IP address 169.254.248.32/16
dhcpcd[23098]: br0: adding route to 169.254.0.0/16
dhcpcd[23098]: br0: writing lease `/var/lib/dhcpcd5/dhcpcd-br0.lease'
dhcpcd[23098]: br0: executing `/lib/dhcpcd/dhcpcd-run-hooks', reason IPV4LL
dhcpcd[23098]: br0: sending ARP announce (1 of 2), next in 2.00 seconds
dhcpcd[23098]: br0: sending ARP announce (2 of 2)
^Cdhcpcd[23098]: received SIGINT, stopping
dhcpcd[23098]: br0: removing interface
dhcpcd[23098]: br0: deleting route to 169.254.0.0/16
dhcpcd[23098]: br0: deleting IP address 169.254.248.32/16
dhcpcd[23098]: br0: executing `/lib/dhcpcd/dhcpcd-run-hooks', reason STOP
root@albatross:~# dhclient -v br0
Internet Systems Consortium DHCP Client 4.1.1-P1
Copyright 2004-2010 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Listening on LPF/br0/20:cf:30:2a:7c:07
Sending on LPF/br0/20:cf:30:2a:7c:07
Sending on Socket/fallback
DHCPREQUEST on br0 to 255.255.255.255 port 67
DHCPACK from 192.168.14.1
bound to 192.168.14.32 -- renewal in 2798 seconds.
root@albatross:~# dhclient -x br0
root@albatross:~# dhcpcd -dB br0
dhcpcd[24657]: version 5.2.12 starting
dhcpcd[24657]: br0: using hwaddr 20:cf:30:2a:7c:07
dhcpcd[24657]: br0: executing `/lib/dhcpcd/dhcpcd-run-hooks', reason PREINIT
dhcpcd[24657]: br0: executing `/lib/dhcpcd/dhcpcd-run-hooks', reason CARRIER
dhcpcd[24657]: br0: reading lease `/var/lib/dhcpcd5/dhcpcd-br0.lease'
dhcpcd[24657]: br0: checking for 169.254.248.32
dhcpcd[24657]: br0: sending ARP probe (1 of 3), next in 1.85 seconds
dhcpcd[24657]: br0: sending ARP probe (2 of 3), next in 1.11 seconds
dhcpcd[24657]: br0: sending ARP probe (3 of 3), next in 2.00 seconds
dhcpcd[24657]: br0: using IPv4LL address 169.254.248.32
dhcpcd[24657]: br0: adding IP address 169.254.248.32/16
dhcpcd[24657]: br0: adding route to 169.254.0.0/16
dhcpcd[24657]: br0: writing lease `/var/lib/dhcpcd5/dhcpcd-br0.lease'
dhcpcd[24657]: br0: executing `/lib/dhcpcd/dhcpcd-run-hooks', reason IPV4LL
dhcpcd[24657]: br0: sending ARP announce (1 of 2), next in 2.00 seconds
dhcpcd[24657]: br0: sending ARP announce (2 of 2)
dhcpcd[24657]: br0: broadcasting for a lease
dhcpcd[24657]: br0: sending DISCOVER (xid 0x53cc09cf), next in 4.44 seconds
dhcpcd[24657]: br0: sending DISCOVER (xid 0x53cc09cf), next in 7.46 seconds
dhcpcd[24657]: br0: sending DISCOVER (xid 0x53cc09cf), next in 16.09 seconds
dhcpcd[24657]: br0: sending DISCOVER (xid 0x53cc09cf), next in 31.28 seconds
dhcpcd[24657]: br0: sending DISCOVER (xid 0x53cc09cf), next in 63.99 seconds
--
.''`. martin f. krafft <madduck@d.o> Related projects:
: :' : proud Debian developer http://debiansystem.info
`. `'` http://people.debian.org/~madduck http://vcs-pkg.org
`- Debian - when you have better things to do than fixing systems
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