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[SOLVED] dhcpcd - failed renew
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spysz
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Joined: 21 Apr 2007
Posts: 15
Location: Kraków

PostPosted: Thu Sep 12, 2013 6:26 am    Post subject: [SOLVED] dhcpcd - failed renew Reply with quote

Hi,

Can anyone tell me what cause this errors?

dhcpcd[2630]: eth0: failed to renew DHCP, rebinding
dhcpcd[2630]: eth0: failed to renew DHCP, rebinding
dhcpcd[2630]: eth0: failed to renew DHCP, rebinding
dhcpcd[2630]: eth0: failed to renew DHCP, rebinding
and so on and so forth...

Gentoo is working on XenServer, also Vyatta as dhcp server. First get IP (after reboot) is OK, but renew address after expired leases gives this errors.

Any suggestion?

I tried use dhclient but also has similar problem:
DHCPREQUEST on eth0 to 192.168.1.1 port 67
DHCPREQUEST on eth0 to 192.168.1.1 port 67
DHCPREQUEST on eth0 to 192.168.1.1 port 67
DHCPREQUEST on eth0 to 192.168.1.1 port 67
DHCPREQUEST on eth0 to 192.168.1.1 port 67
and so on and so forth...

Some people suggest turn off tx and rx checksum on VIF, but it does not resolve the problem.

Regards,
Simon


Last edited by spysz on Thu Sep 12, 2013 8:38 pm; edited 1 time in total
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UberLord
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Joined: 18 Sep 2003
Posts: 6456
Location: Blighty

PostPosted: Thu Sep 12, 2013 7:32 pm    Post subject: Reply with quote

Generally this is caused by the DHCP server not supplying a direct route to it and RFC2131 specifies that RENEWs must be unicast rather than broadcast.
So it's not a client issue as such, more of a server one.

The good news is that you'll rebind fine in this normally.
_________________
Use dhcpcd for all your automated network configuration needs
Ask for dhcpcd-ui (GTK+/Qt System Tray Network tool) to be added to Gentoo
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spysz
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Joined: 21 Apr 2007
Posts: 15
Location: Kraków

PostPosted: Thu Sep 12, 2013 8:38 pm    Post subject: Reply with quote

UberLord wrote:
Generally this is caused by the DHCP server not supplying a direct route to it and RFC2131 specifies that RENEWs must be unicast rather than broadcast.
So it's not a client issue as such, more of a server one.

The good news is that you'll rebind fine in this normally.


Hi,

I resolve this problem. I turned off tx checksum on interface. Now it is working perfect!

Regards,
Simon
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