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dhcp with macvlan ?
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Gregoire
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Joined: 15 Apr 2006
Posts: 292

PostPosted: Fri Nov 02, 2012 1:26 pm    Post subject: dhcp with macvlan ? Reply with quote

Hello,

my ISP gave me 3 public IP, I use one for a router that's connected to my PC on eth1 and one other on my PC with eth0.

I would like to use the third one also on eth0 and put a proxy (for example nylond) with it.

My current /etc/conf.d/net
Code:

config_eth1=( "192.168.1.2 netmask 255.255.255.0 broadcast 192.168.1.255" )
modules=("dhcpcd")
dhcp="nontp nonis"
config_eth0=( "dhcp" )
dhcpcd_eth0="-L -t 0"
macvlan_macvlan0="eth0"
mode_macvlan0="vepa"
mac_macvlan0="HERE I GIVE A VALID MAC DIFFERENT FROM ETH0..."
config_macvlan0=( "dhcp" )
dhcpcd_macvlan0="-L -t 0 -G -h penguin2"
dhcp_macvlan0="nontp nonis nodns"

And I have :
Code:

ll /etc/init.d/net*
lrwxrwxrwx 1 root root    6 Apr 17  2008 /etc/init.d/net.eth0 -> net.lo
lrwxrwxrwx 1 root root    6 Dec 26  2009 /etc/init.d/net.eth1 -> net.lo
-rwxr-xr-x 1 root root  17K Oct 23 10:19 /etc/init.d/net.lo
lrwxrwxrwx 1 root root    6 Dec 26  2009 /etc/init.d/net.macvlan0 -> net.lo
-rwxr-xr-x 1 root root 1.6K Oct 23 10:19 /etc/init.d/netmount

For a reason I don't understand just after boot I got :
Code:

ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet n.m.p.q  netmask 255.255.254.0  broadcast 255.255.255.255
        ether xx:xx:...  txqueuelen 1000  (Ethernet)
        RX packets 218645  bytes 288876102 (275.4 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 125035  bytes 11454548 (10.9 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
        device interrupt 17 

eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.1.2  netmask 255.255.255.0  broadcast 192.168.1.255
        ether xx:xx:...  txqueuelen 1000  (Ethernet)
        RX packets 81069  bytes 80671870 (76.9 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 64676  bytes 4156018 (3.9 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
        device interrupt 19 

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 16436
        inet 127.0.0.1  netmask 255.0.0.0
        loop  txqueuelen 0  (Local Loopback)
        RX packets 1913  bytes 367714 (359.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 1913  bytes 367714 (359.0 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

macvlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        ether xx:yy:..  txqueuelen 0  (Ethernet)
        RX packets 306  bytes 18360 (17.9 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

And
Code:

ps aux|grep dhc
root      3266  0.0  0.0   8556   360 ?        Ss   13:36   0:00 dhcpcd -L -t 0 -C ntp.conf -C yp.conf -m 2 eth0

Which seems to be only run for eth0.

Any idea on what I should change for having dhcp also for macvlan0 ?

Thank you very much !
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MacGyver031
Tux's lil' helper
Tux's lil' helper


Joined: 11 Jul 2004
Posts: 141
Location: Ilavalai, Sri Lanka

PostPosted: Mon Nov 05, 2012 5:52 am    Post subject: Reply with quote

Hi,
I am not familiar with "macvlan", but short reading makes me believe that you should create two macvlans to achieve what you are looking for. I think that as soon as you assign the kernel-tcp-stack, the macvlan-tcp-stack is unable to "bind" on eth0.

BR.
_________________
Sincerely your
Joanand K.

MacBook Pro 5.1: 2.4GHz Core2 Duo, 4096MB, 500GB, NVidia 9400/9600 M GT
Gentoo, Kernel 3.4.9, XOrg, Fluxbox.
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Gregoire
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Joined: 15 Apr 2006
Posts: 292

PostPosted: Mon Nov 05, 2012 2:10 pm    Post subject: Reply with quote

I have also tried with two macvlans, but without any change.

Thank for your answer :)
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