Thanks for your reply. I had comment out iface eth0 inet static” line (and the “address” and “netmask” lines) . And I reboot the ROACH the result is same:"SIOCADDRT: Network is unreachable ".
> -----Original Messages----- > From: "David MacMahon" <dav...@berkeley.edu> > Sent Time: 2019-06-21 13:13:53 (Friday) > To: casper@lists.berkeley.edu > Cc: jackhick...@gmail.com > Subject: Re: [casper] ROACH Network is unreachable > > 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. -- 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. 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