Assuming you want to use DHCP, what happens if you comment out (or remove) the “iface eth0 inet static” line (and the “address” and “netmask” lines)?
> On Jun 20, 2019, at 18:17, zhang laiyu <zhan...@ihep.ac.cn> wrote: > > Thanks you. > the contents of /etc/network/interfaces: > > auto eth0 > iface eth0 inet dhcp > iface eth0 inet static > address 10.0.0.21 > netmask 255.255.255.0 > > when I want to start the network, I got some warning: > > roach:~# /etc/init.d/networking restart > Reconfiguring network interfaces...ifdown: failed to open statefile /etc/ne > ifup: failed to open statefile /etc/network/run/ifstate: Stale NFS file hae > failed. > > I aslo use this: > auto eth0 > #iface eth0 inet dhcp > iface eth0 inet static > address 10.0.0.21 > netmask 255.255.255.0 > > But can not start the network. > if I run dhclient and can get IP address. > > >> -----Original Messages----- >> From: "David MacMahon" <dav...@berkeley.edu> >> Sent Time: 2019-06-20 22:26:41 (Thursday) >> To: casper@lists.berkeley.edu >> Cc: "zhang laiyu" <zhan...@ihep.ac.cn>, jackhick...@gmail.com >> Subject: Re: [casper] ROACH Network is unreachable >> >> To further Marc’s query: when you mmcboot into the broken system, what are >> the contents of /etc/network/interfaces? >> >> Dave >> >>>> On Jun 20, 2019, at 04:06, Marc <m...@ska.ac.za> wrote: >>>> >>>> On 6/20/19, zhang laiyu <zhan...@ihep.ac.cn> wrote: >>>> Hi，Marc, Jack >>>> I make some progress but it was not solved. >>>> I boot the ROACH by 'run mmcboot' and did not got an IP address. And >>>> then log in RAOCH as root and try issuing the commands: >>>> dhclient -r >>>> dhclient >>>> ifconfig >>>> Then ROACH was assigned an ip address. And can use telnet to login >>>> ROACH. >>>> But when I reboot the ROACH, ROACH Network is still unreachable.I have >>>> to issuing the commands:dhclient again. >>>> I also open two ports ( tcp port 53 and udp port 67) in the server.But >>>> it still does not work. >>>> I think that the DHCP connection doesn't work during boot.But I do not >>>> the reason. >>> >>> So if you boot into the broken system and connect via serial cable >>> what does the output of >>> >>> /sbin/ifconfig eth0 >>> >>> say ? Is there no IP address configured, or is it set to the wrong one >>> ? If it is set incorrectly there may be some startup script which has >>> some old/stale values set. >>> You could try to add a >>> >>> set -x >>> >>> to some of the startup scripts, so that they echo the commands they execute >>> >>> regards >>> >>> marc >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "casper@lists.berkeley.edu" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to casper+unsubscr...@lists.berkeley.edu. >>> To view this discussion on the web visit >>> https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAGrhWaQPV8NBHcrvV8rQaUGdyQZJTFcW5aG1Vyujrn0HcBr7xg%40mail.gmail.com. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "casper@lists.berkeley.edu" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to casper+unsubscr...@lists.berkeley.edu. >> To view this discussion on the web visit >> https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/F2389975-B9E7-4BA6-B797-9D2421624736%40berkeley.edu. > > > -- > Cheers! >> ------------------------------------------------------------------------ > ZHANG Laiyu > Phone(China) 010-88236415 > Cellphone(China) 13681385567 > E-mail: zhan...@ihep.ac.cn > Address: 19B Yuquan Road,Shijingshan District,Beijing，China > Department: Center for Particle Astrophysics > Office: Astrophysics Building 205Institute of High Energy Physics, > CAS > web: > http://www.ihep.cas.cn>------------------------------------------------------------------------ > > -- > You received this message because you are subscribed to the Google Groups > "casper@lists.berkeley.edu" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to casper+unsubscr...@lists.berkeley.edu. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/308856dd.3900.16b779c8676.Coremail.zhangly%40ihep.ac.cn. -- You received this message because you are subscribed to the Google Groups "casper@lists.berkeley.edu" group. To unsubscribe from this group and stop receiving emails from it, send an email to casper+unsubscr...@lists.berkeley.edu. To view this discussion on the web visit https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/98E2F9D7-40C1-4823-822A-DFFFF8D0C253%40berkeley.edu.
