Date: Tue, 22 Apr 2014 16:42:38 +0300 From: tethys ocean <tethys.ocean@gmail.com> To: Polytropon <freebsd@edvax.de> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: change IP and hostname Message-ID: <CAOgxTUihX%2BvfW=8-ULZuAMeJevEapBYF=4btbP-uFEPs6VXYtw@mail.gmail.com> In-Reply-To: <20140422152127.4d360f49.freebsd@edvax.de> References: <CAOgxTUjnXwRxtZp0xAUMvwp6WOSvqOXGJnRotxtn_5ofDiNPvw@mail.gmail.com> <20140422145514.f222ac52.freebsd@edvax.de> <CAOgxTUh5mJURzT%2BjdvfcnGou9JYzhB6BUzgFqHnAxZBwsTzXrA@mail.gmail.com> <20140422152127.4d360f49.freebsd@edvax.de>
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just I had test like as tcpdump -i re0 and tcpdump -A -i re0 no any response, 1 packet captured 19 packets recieved by filter 0 packet dropped by kernel On Tue, Apr 22, 2014 at 4:21 PM, Polytropon <freebsd@edvax.de> wrote: > On Tue, 22 Apr 2014 16:08:14 +0300, tethys ocean wrote: > > /etc/hosts is remain default (yet) > > > > its has not behind FW yet. > > > > no any err. message in all log.. also changed cable, and port still not > > enable to ping to its own router.. > > > > it was working on other network block whenever change its IP, router and > > switch its network connection suddenly stop > > > > I can't find why > > In this case, use tcpdump and then try to ping again. > Note that you need root permissions (maybe via sudo) > to do this. > > For example, > > # tcpdump -i xl0 > > And on a different VT: > > # ping -c 1 192.168.100.1 > > In this example, 192.168.100.1 would be the IP of the > router which you know. The interface facing the router > is xl0. Adjust those things according to your setup. > > You should then see something like this: > > 15:15:17.785185 IP xxx.xxxxx.xx.38899 > xxxxx.xxxxxxx.xxx.49000: > Flags [F.], seq 2969289793, ack 1229106900, win 8326, options [nop,nop,TS > val 62460010 ecr 137373231], length 0 > 15:15:17.790729 IP xxxxx.xxxxxxx.xxx.49000 > xxx.xxxxx.xx.38899: > Flags [F.], seq 1, ack 1, win 3432, options [nop,nop,TS val 137385608 ecr > 62460010], length 0 > 15:15:17.790766 IP xxx.xxxxx.xx.38899 > xxxxx.xxxxxxx.xxx.49000: > Flags [.], ack 2, win 8325, options [nop,nop,TS val 62460016 ecr > 137385608], length 0 > 15:15:17.872620 IP xxx.xxxxx.xx > xxxxx.xxxxxxx.xxx: ICMP echo > request, id 21538, seq 0, length 64 > 15:15:17.873190 IP xxxxx.xxxxxxx.xxx > xxx.xxxxx.xx: ICMP echo > reply, id 21538, seq 0, length 64 > 15:15:22.646588 IP xxxxx.xxxxxxx.xxx.3644 > xxx.xxxxx.xx.14013: > Flags [S], seq 1365501121, win 5840, options [mss 1460,sackOK,TS val > 137386094 ecr 0,nop,wscale 1], length 0 > 15:15:22.646628 IP xxx.xxxxx.xx.14013 > xxxxx.xxxxxxx.xxx.3644: > Flags [R.], seq 0, ack 1365501122, win 0, length 0 > > You're probably not going to see this. :-) Please post the output > to the list for better diagnostics. Also verify "ifconfig" output > to reflect your intended settings. > > > > -- > Polytropon > Magdeburg, Germany > Happy FreeBSD user since 4.0 > Andra moi ennepe, Mousa, ... > -- Share now a pigeon's flight Bluebound along the ancient skies, Its women forever hair and mammal, A Mediterranean town may arise If you rip apart a pigeon's heart.
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