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Re: dhclient or network problem

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On Mon, Jul 10, 2017 at 12:55:53PM +0200, Dejan Jocic wrote:
> On 10-07-17, Franz Angeli wrote:
> > Hi,
> > 
> > i have a problem with dhclient:
> > 
> > for example interface name eno52 (tg3, Broadcom Limited NetXtreme
> > BCM5719 Gigabit Ethernet PCIe (rev 01) :
> > 
> > root@********:~# dhclient eno52 -v
> > Internet Systems Consortium DHCP Client 4.3.5
> > Copyright 2004-2016 Internet Systems Consortium.
> > All rights reserved.
> > For info, please visit https://www.isc.org/software/dhcp/
> > 
> > Listening on LPF/eno52/3c:a8:2a:e7:87:bf
> > Sending on   LPF/eno52/3c:a8:2a:e7:87:bf
> > Sending on   Socket/fallback
> > DHCPDISCOVER on eno52 to 255.255.255.255 port 67 interval 4
> > DHCPDISCOVER on eno52 to 255.255.255.255 port 67 interval 10
> > DHCPDISCOVER on eno52 to 255.255.255.255 port 67 interval 7
> > DHCPDISCOVER on eno52 to 255.255.255.255 port 67 interval 9
> > DHCPDISCOVER on eno52 to 255.255.255.255 port 67 interval 15
> > DHCPDISCOVER on eno52 to 255.255.255.255 port 67 interval 16
> > No DHCPOFFERS received.
> > No working leases in persistent database - sleeping.
> > 
> > tcpdump during dhclient doesn't show anything?!?
> > 
> > root@*********:~# tcpdump -i eno52
> > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
> > listening on eno52, link-type EN10MB (Ethernet), capture size 262144 bytes
> > 
> > 
> > root@*******:~# ip addr show eno52
> > 9: eno52: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state
> > DOWN group default qlen 1000
> >     link/ether 3c:a8:2a:e7:87:bf brd ff:ff:ff:ff:ff:ff
> > 
> > 
> > if i use the same ethernet cable on my laptop all works fine...
> 
> Don't you think that you have enough of a clue there :P That eno52 is,
> as you can see ethernet card, of course it will work when you connect it
> with ethernet cable. If you want it to work with wifi, that is another
> story. What is your wifi card, do you have something starting with w in
> the output of ip addr show? What is the output of the lspci -v | grep -i
> -A6 net?
> > 

Uh, no mate, I don't think that is what the OP meant. I suspect the 
laptop is a different computer. And telling us the cable works in his 
laptop is designed to head off suggestions the cable might be at fault.

He never mentiond WiFi anywhere.

Mark

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Thread

dhclient or network problem Franz Angeli <franz.angeli@gmail.com> - 2017-07-10 11:50 +0200
  Re: dhclient or network problem Dejan Jocic <jodejka@gmail.com> - 2017-07-10 13:00 +0200
    Re: dhclient or network problem Mark Fletcher <mark27q1@gmail.com> - 2017-07-16 16:30 +0200
  Re: dhclient or network problem Dominique Dumont <dod@debian.org> - 2017-07-19 09:20 +0200

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