Fórum Ubuntu CZ/SK
Ubuntu pro osobní počítače => Internet a sítě => Téma založeno: xaircon 18 Června 2009, 13:46:57
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Kedysi som sa pripájal na net pomocou mobilného telefónu N95, len som prepojil telefón z notebookom, odklikal som nastavenia a internet išiel bez problémov (teraz už neviem či to bolo ešte na 8.10 alebo na 9.04, ale skôr na 9.04 amd64). Avšak v poslednej dobe sa vôbec nemôžem dostať na net. Po zadaní ifconfigu mi ukáže nasledovné:
ppp0 Link encap:Point-to-Point Protocol
inet addr:10.254.69.211 P-t-P:10.6.6.6 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:4 errors:0 dropped:0 overruns:0 frame:0
TX packets:5 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:3
RX bytes:64 (64.0 B) TX bytes:97 (97.0 B)
V network manageri pri úprave nastavenia mi ukáže nastavení Mobilný Broadband->Číslo: *99# (neviem odkial to zobral, či je to default, alebo čo?), v nastaveniach IPv4 je nastavená metóda "Automatické PPP adresi" a ako DNS servre sú 194.154.230.66, 194.154.230.74.
Avšak vôbec nejde internet, nejdú otvoriť stránky, ping googlu nejde, proste nič. Pričom netvork manager sa tvári ako by bol pripojený na net. Možno je problém v DNS.
Prosím o radu.
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výpis
ip a
ip r
cat /etc/network/interfaces
cat /etc/resolv.conf
ping -c3 google.com
ping -c3 74.125.45.100
ping -c3 `route -n | grep UG | awk '{print $2}'`
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michal@michal-laptop:~$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN qlen 1000
link/ether 00:22:15:87:f0:ae brd ff:ff:ff:ff:ff:ff
inet6 fe80::222:15ff:fe87:f0ae/64 scope link
valid_lft forever preferred_lft forever
3: wmaster0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
link/ieee802.11 00:1f:3b:a3:ec:25 brd ff:ff:ff:ff:ff:ff
4: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN qlen 1000
link/ether 00:1f:3b:a3:ec:25 brd ff:ff:ff:ff:ff:ff
5: vboxnet0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 00:76:62:6e:65:74 brd ff:ff:ff:ff:ff:ff
6: pan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN
link/ether 76:8d:ab:ee:45:e0 brd ff:ff:ff:ff:ff:ff
11: ppp0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 3
link/ppp
inet 10.254.1.244 peer 10.6.6.6/32 brd 10.254.1.244 scope global ppp0
michal@michal-laptop:~$ ip r
10.6.6.6 dev ppp0 proto kernel scope link src 10.254.1.244
default via 10.6.6.6 dev ppp0 proto static
michal@michal-laptop:~$ cat /etc/network/interfaces
auto lo
iface lo inet loopback
michal@michal-laptop:~$ cat /etc/resolv.conf
# Generated by NetworkManager
nameserver 194.154.230.66
nameserver 194.154.230.74
michal@michal-laptop:~$ ping -c3 google.com
ping: unknown host google.com
michal@michal-laptop:~$ ping -c3 74.125.45.100
PING 74.125.45.100 (74.125.45.100) 56(84) bytes of data.
64 bytes from 74.125.45.100: icmp_seq=1 ttl=44 time=744 ms
64 bytes from 74.125.45.100: icmp_seq=2 ttl=44 time=308 ms
64 bytes from 74.125.45.100: icmp_seq=3 ttl=44 time=269 ms
--- 74.125.45.100 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1998ms
rtt min/avg/max/mdev = 269.850/441.000/744.762/215.368 ms
michal@michal-laptop:~$ ping -c3 `route -n | grep UG | awk '{print $2}'`
PING 10.6.6.6 (10.6.6.6) 56(84) bytes of data.
--- 10.6.6.6 ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 2016ms
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Nikto nevie poradiť?
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Nefunguje překlad adres, ale ping na google vám dle výpisu prochází
http://74.125.45.100 (http://74.125.45.100) funguje?
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Je to tak, nefunguje preklad adries.
http://74.125.45.100 funguje.
Nebude treba ručne nastaviť DNS?
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ano, dočasně /etc/resolv.conf, trvaleji řádek prepend v /etc/dhcp3/dhclient.conf
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Tak problém vyriešený, písal som do T-Mobile a oni mi poslali správne DNS servere, tie som nahodil a už to ide ako má. Ďakujem za pomoc.