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Old 09-29-2014, 01:49 PM   #1
czezz
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Registered: Nov 2004
Distribution: Slackware/Solaris
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dhcpcd eth0: sendmsg: Cannot assign requested address

Something odd happeinig with my Linux box (its VM with bridge interface).
I have set eth0 to get IP address from DHCP. It seems like it reaches DHCP servers and gets IP but after all it releases it immediately and it repeats it in a loop until time out.
With this same DHCP server I have tried with WinXP box (VM with bridge interface also) and it simply works.
I have rebooted my router and it didnt help. If I assign static IP it works.
I see in a log MAC addr of my VM host: hardware address 08:11:96:55:94:84 claims 192.168.0.119 instead of vm guest.

Im out of ideas whats wrong :/. Maybe someone of you can advise something
My system Slackware 14, dhcpcd 5.5.6

Here is a linting of dhcpcd.

Code:
# /etc/rc.d/rc.inet1 start
Polling for DHCP server on interface eth0:
dhcpcd[2326]: version 5.5.6 starting
dhcpcd[2326]: eth0: sending IPv6 Router Solicitation
dhcpcd[2326]: eth0: sendmsg: Cannot assign requested address
dhcpcd[2326]: eth0: broadcasting for a lease
dhcpcd[2326]: eth0: offered 192.168.0.119 from 192.168.0.1
dhcpcd[2326]: eth0: acknowledged 192.168.0.119 from 192.168.0.1
dhcpcd[2326]: eth0: checking for 192.168.0.119
dhcpcd[2326]: eth0: hardware address 08:11:96:55:94:84 claims 192.168.0.119 - MAC of VM host
dhcpcd[2326]: eth0: sending IPv6 Router Solicitation
dhcpcd[2326]: eth0: sendmsg: Cannot assign requested address
dhcpcd[2326]: eth0: sending IPv6 Router Solicitation
dhcpcd[2326]: eth0: sendmsg: Cannot assign requested address
dhcpcd[2326]: eth0: sending IPv6 Router Solicitation
dhcpcd[2326]: eth0: sendmsg: Cannot assign requested address
dhcpcd[2326]: eth0: broadcasting for a lease
dhcpcd[2326]: eth0: offered 192.168.0.120 from 192.168.0.1
dhcpcd[2326]: eth0: acknowledged 192.168.0.120 from 192.168.0.1
dhcpcd[2326]: eth0: checking for 192.168.0.120
dhcpcd[2326]: eth0: hardware address 08:11:96:55:94:84 claims 192.168.0.120 - MAC of VM host
dhcpcd[2326]: eth0: sending IPv6 Router Solicitation
dhcpcd[2326]: eth0: sendmsg: Cannot assign requested address
dhcpcd[2326]: eth0: sending IPv6 Router Solicitation
dhcpcd[2326]: eth0: sendmsg: Cannot assign requested address
dhcpcd[2326]: eth0: sending IPv6 Router Solicitation
dhcpcd[2326]: eth0: sendmsg: Cannot assign requested address
dhcpcd[2326]: eth0: broadcasting for a lease
dhcpcd[2326]: eth0: offered 192.168.0.121 from 192.168.0.1
dhcpcd[2326]: eth0: acknowledged 192.168.0.121 from 192.168.0.1
dhcpcd[2326]: eth0: checking for 192.168.0.121
dhcpcd[2326]: eth0: hardware address 08:11:96:55:94:84 claims 192.168.0.121 - MAC of VM host
dhcpcd[2326]: eth0: sending IPv6 Router Solicitation
dhcpcd[2326]: eth0: sendmsg: Cannot assign requested address
dhcpcd[2326]: timed out
dhcpcd[2326]: allowing 8 seconds for IPv4LL timeout
dhcpcd[2326]: eth0: sending IPv6 Router Solicitation
dhcpcd[2326]: eth0: sendmsg: Cannot assign requested address
dhcpcd[2326]: eth0: sending IPv6 Router Solicitation
dhcpcd[2326]: eth0: sendmsg: Cannot assign requested address
dhcpcd[2326]: eth0: no IPv6 Routers available
dhcpcd[2326]: eth0: sending IPv6 Router Solicitation
dhcpcd[2326]: eth0: sendmsg: Cannot assign requested address
dhcpcd[2326]: eth0: broadcasting for a lease
dhcpcd[2326]: eth0: offered 192.168.0.122 from 192.168.0.1
dhcpcd[2326]: timed out
/var/state/dhcp/dhclient.leases is empty


Here is log from DHCP server (D-Link DIR-300):

Code:
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:20:34 2014
[Message:102]DHCP: Server receive DISCOVER from 00:0c:29:8f:46:e3.
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:20:36 2014
[Message:103]DHCP: Server sending OFFER of 192.168.0.119.
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:20:36 2014
[Message:104]DHCP: Server receive REQUEST from 00:0c:29:8f:46:e3.
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:20:36 2014
[Message:105]DHCP: Server sending ACK to 192.168.0.119. (Lease time = 604800)
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:20:46 2014
[Message:106]DHCP: Server receive DISCOVER from 00:0c:29:8f:46:e3.
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:20:48 2014
[Message:107]DHCP: Server sending OFFER of 192.168.0.120.
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:20:48 2014
[Message:108]DHCP: Server receive REQUEST from 00:0c:29:8f:46:e3.
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:20:48 2014
[Message:109]DHCP: Server sending ACK to 192.168.0.120. (Lease time = 604800)
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:20:58 2014
[Message:110]DHCP: Server receive DISCOVER from 00:0c:29:8f:46:e3.
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:21:00 2014
[Message:111]DHCP: Server sending OFFER of 192.168.0.121.
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:21:00 2014
[Message:112]DHCP: Server receive REQUEST from 00:0c:29:8f:46:e3.
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:21:00 2014
[Message:113]DHCP: Server sending ACK to 192.168.0.121. (Lease time = 604800)
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:21:01 2014
[Message:114]Web login failure from 192.168.0.101
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:21:07 2014
[Message:115]Web login failure from 192.168.0.101 yes, it was me
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:21:10 2014
[Message:116]DHCP: Server receive DISCOVER from 00:0c:29:8f:46:e3.
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:21:12 2014
[Message:117]DHCP: Server sending OFFER of 192.168.0.122.
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:21:12 2014
[Message:118]DHCP: Server receive REQUEST from 00:0c:29:8f:46:e3.
--------------------------------------------------------------------------------------------
[Time]Mon Sep 29 19:21:12 2014
[Message:119]DHCP: Server sending ACK to 192.168.0.122. (Lease time = 604800)
--------------------------------------------------------------------------------------------
Last edited by czezz; 09-29-2014 at 02:03 PM.
 
Old 09-29-2014, 04:04 PM   #2
czezz
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Registered: Nov 2004
Distribution: Slackware/Solaris
Posts: 924

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I want to post an update to this post.
I have stopped DHCP server on my router and started DHCP server (isc-dhcpd-4.2.7) on another physical machine.
Here is what I see in /var/log/messages (pay attention to blue text and MAC 00:0c:29:8f:46:e3 )
Again, windows box works - 08:00:27:25:a7:3c (vxp)




Code:
Sep 29 22:52:25 proxy dhcpd: DHCPREQUEST for 192.168.0.105 from 08:00:27:25:a7:3c via eth0
Sep 29 22:52:25 proxy dhcpd: DHCPACK on 192.168.0.105 to 08:00:27:25:a7:3c (vxp) via eth0
Sep 29 22:53:49 proxy dhcpd: DHCPREQUEST for 192.168.0.101 from 08:11:96:55:94:84 via eth0
Sep 29 22:53:49 proxy dhcpd: DHCPACK on 192.168.0.101 to 08:11:96:55:94:84 (E72C768ADFD622) via eth0
Sep 29 22:55:13 proxy dhcpd: DHCPDISCOVER from 00:0c:29:8f:46:e3 via eth0
Sep 29 22:55:14 proxy dhcpd: DHCPOFFER on 192.168.0.102 to 00:0c:29:8f:46:e3 (slax14) via eth0
Sep 29 22:55:15 proxy dhcpd: DHCPREQUEST for 192.168.0.102 (192.168.0.201) from 00:0c:29:8f:46:e3 (slax14) via eth0
Sep 29 22:55:15 proxy dhcpd: DHCPACK on 192.168.0.102 to 00:0c:29:8f:46:e3 (slax14) via eth0
Sep 29 22:55:15 proxy dhcpd: DHCPDECLINE of 192.168.0.102 from 00:0c:29:8f:46:e3 (slax14) via eth0: abandoned
Sep 29 22:55:25 proxy dhcpd: DHCPDISCOVER from 00:0c:29:8f:46:e3 via eth0
Sep 29 22:55:26 proxy dhcpd: DHCPOFFER on 192.168.0.103 to 00:0c:29:8f:46:e3 (slax14) via eth0
Sep 29 22:55:26 proxy dhcpd: DHCPREQUEST for 192.168.0.103 (192.168.0.201) from 00:0c:29:8f:46:e3 (slax14) via eth0
Sep 29 22:55:26 proxy dhcpd: DHCPACK on 192.168.0.103 to 00:0c:29:8f:46:e3 (slax14) via eth0
Sep 29 22:55:26 proxy dhcpd: DHCPDECLINE of 192.168.0.103 from 00:0c:29:8f:46:e3 (slax14) via eth0: abandoned
Sep 29 22:55:36 proxy dhcpd: DHCPDISCOVER from 00:0c:29:8f:46:e3 via eth0
Sep 29 22:55:37 proxy dhcpd: DHCPOFFER on 192.168.0.104 to 00:0c:29:8f:46:e3 (slax14) via eth0
Sep 29 22:55:37 proxy dhcpd: DHCPREQUEST for 192.168.0.104 (192.168.0.201) from 00:0c:29:8f:46:e3 (slax14) via eth0
Sep 29 22:55:37 proxy dhcpd: DHCPACK on 192.168.0.104 to 00:0c:29:8f:46:e3 (slax14) via eth0
Sep 29 22:55:38 proxy dhcpd: DHCPDECLINE of 192.168.0.104 from 00:0c:29:8f:46:e3 (slax14) via eth0: abandoned
Sep 29 22:55:48 proxy dhcpd: DHCPDISCOVER from 00:0c:29:8f:46:e3 via eth0
Sep 29 22:55:49 proxy dhcpd: DHCPOFFER on 192.168.0.106 to 00:0c:29:8f:46:e3 (slax14) via eth0
 
Old 09-30-2014, 06:57 AM   #3
czezz
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Registered: Nov 2004
Distribution: Slackware/Solaris
Posts: 924

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I did one try today in my office in corporate network. I started VM with my slack and it works. Corporate DHCP assigned address and my VM host did not reject it or complain at all. Then I tried this same again in my home and the issue returned again :/

I guess I miss some settings in my DHCP server...
No clue.
 
Old 09-30-2014, 07:58 AM   #4
keefaz
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Registered: Mar 2004
Distribution: Slackware
Posts: 6,552

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What are your settings in /etc/rc.d/rc.inet1.conf?
Did you try to change MAC address (HWADDR[0]), eg set it to "08:00:27:25:a7:3c"?
Last edited by keefaz; 09-30-2014 at 07:59 AM.
 
  


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