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Old 09-28-2006, 07:33 PM   #1
~ganga~
LQ Newbie
 
Registered: Sep 2006
Distribution: Ubuntu Dapper 6.06
Posts: 11

Rep: Reputation: 0
Question Ubuntu Dapper - network unreachable ipv6 server not found


Hi there All,

I am trying to connect to a wireless network with my almost brand new installation Ubuntu Dapper 6.06. Everything looks fine with the configuration but at this point don't know what is happening.

Here comes my configuration details for you part by part to let you see at which point I am ( let me know if I forgot something :

Quote:
root@ganga:/home/daniel# lshw -C network

*-network:0 DISABLED
description: Ethernet interface
product: NetXtreme BCM5901 100Base-TX
... ... ...
*-network:1
description: Wireless interface
product: Prism 2.5 Wavelan chipset
vendor: Intersil Corporation
physical id: 2
bus info: pci@02:02.0
logical name: eth1
version: 01
serial: 00:20:e0:97:d0:40
width: 32 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=orinoco driverversion=0.15rc3 firmware=Intersil 1.7.2 ip=192.168.1.15 link=yes multicast=yes wireless=IEEE 802.11b
resources: iomemory:f8000000-f8000fff irq:11


root@ganga:/home/daniel# lspci | grep chipset
0000:02:02.0 Network controller: Intersil Corporation Prism 2.5 Wavelan chipset (rev 01)
looks like its recognised by Ubuntu... and what if?

Quote:
root@ganga: /home/daniel# iwlist eth1 scanning
eth1 Scan completed :
Cell 01 - Address: 00:02:6F:37:41:A0
ESSID:"TrAir7"
Mode:Master
Frequency:2.437 GHz (Channel 6)
Signal level:18/153 Noise level:9/153
Encryption keyff
Bit Rates:11 Mb/s
Seems that scan is working, let's see what it does if...


Quote:
root@ganga:/home/daniel# iwevent
Waiting for Wireless Events from interfaces...
19:00:31.443404 eth1 Scan request completed
19:09:10.170370 eth1 New Access Point/Cell address:00:02:6F:37:41:A0
19:09:10.185915 eth1 Tx packet dropped:00:02:6F:37:41:A0
19:09:11.111384 eth1 Tx packet dropped:00:02:6F:37:41:A0

Yes, I see a network around me, access point available, let's connect to it : [/QUOTE]

Quote:
root@ganga:/etc# iwconfig eth1 essid TrAir7
root@ganga:/etc# iwconfig
lo no wireless extensions.

eth0 no wireless extensions.

eth1 IEEE 802.11b ESSID:"TrAir7" Nickname:"Prism I"
Mode:Managed Frequency:2.437 GHz Access Point: 00:02:6F:37:41:A0
Bit Rate:11 Mb/s Sensitivity:1/3
Retry min limit:8 RTS thrff Fragment thrff
Encryption keyff
Power Managementff
Link Quality=24/92 Signal level=143/153 Noise level=107/153
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:43 Invalid misc:0 Missed beacon:0
Oh oh, there is not IP, so...should I?:

root@ganga:/home/daniel# ifconfig eth1 192.168.1.15 netmask 255.255.255.0

and then :

Quote:
root@ganga:/home/daniel# ifconfig eth1 down

root@ganga:/home/daniel# ifconfig eth1 up

dmesg | tail

[17180255.504000] ADDRCONF(NETDEV_UP): eth1: link is not ready
[17180255.808000] eth1: New link status: Connected (0001)
[17180255.808000] ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
[17180266.744000] eth1: no IPv6 routers present
[17181079.192000] eth1: New link status: AP Out of Range (0004)
[17181141.748000] eth1: New link status: AP In Range (0005)
[17181594.116000] NET: Registered protocol family 17
[17181756.452000] ADDRCONF(NETDEV_UP): eth1: link is not ready
[17181804.648000] eth1: New link status: Association Failed (0006)
[17181809.864000] eth1: New link status: Connected (0001)
[17181809.864000] ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
[17181820.836000] eth1: no IPv6 routers present
Hey , ONE moment “ link becomes ready” oh yes mamacita... it sounds like something, lets ping :

ping 127.0.0.1 ok
ping 192.168.1.15 ok

but :

Quote:
root@ganga:/home/daniel# cat /etc/resolv.conf
search tricor.com.br
nameserver 200.195.53.131
nameserver 200.195.53.132

root@ganga:/home/daniel# ping 200.195.53.131
connect: Network is unreachable
root@ganga:/etc# ping 255.255.255.0
connect: Network is unreachable

root@ganga:/etc# ping 255.255.255.0
connect: Network is unreachable

I also tried:

Quote:
daniel@ganga:/etc$ sudo dhclient eth1
Listening on LPF/eth1/00:20:e0:97:d0:40
Sending on LPF/eth1/00:20:e0:97:d0:40
Sending on Socket/fallback
DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 3... 3... 8.. 12.. 20.. ..
DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 15
No DHCPOFFERS received.
No working leases in persistent database - sleeping
Quote:
daniel@ganga:/etc$ ifconfig
eth1 Link encap:Ethernet HWaddr 00:20:E0:970:40
inet addr:192.168.1.15 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::220:e0ff:fe97:d040/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:308 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:12 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:38552 (37.6 KiB) TX bytes:1584 (1.5 KiB)
Interrupt:11 Memory:f8000000-f8000fff

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:7 errors:0 dropped:0 overruns:0 frame:0
TX packets:7 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:372 (372.0 b) TX bytes:372 (372.0 b)
And of course I still have no internet conection, also no possible to ping google. Seems to me that it may have something to do with the following line in dmesg

[17181820.836000] eth1: no IPv6 routers present[/QUOTE]

but no idea what to do...

I have disabled Ipv6 on Firefox deactivating the option in

( about:config )

Then on the file: /etc/modprobe.d/aliases

added and commented the following:

alias net-pf-10 ipv6 off
alias net-pf-10 off
alias ipv6 off
#alias net-pf-10 ipv6


I now I am close, I don't surrender, possibly I am doing something wrong, I am relatively new in this things, anyway I am loving it, I love you all for reading this and trying to help me and to help the many people that are in the exact same point where I am... maybe...so then ... the winner of the vacuum cleaner is....
 
Old 01-14-2007, 02:50 PM   #2
dogface2007
LQ Newbie
 
Registered: Jan 2007
Posts: 2

Rep: Reputation: 0
network unreachable ipv6 server not found

Quote:
Originally Posted by ~ganga~
Hi there All,

I am trying to connect to a wireless network with my almost brand new installation Ubuntu Dapper 6.06. Everything looks fine with the configuration but at this point don't know what is happening.

Here comes my configuration details for you part by part to let you see at which point I am ( let me know if I forgot something :



looks like its recognised by Ubuntu... and what if?

Seems that scan is working, let's see what it does if...





Yes, I see a network around me, access point available, let's connect to it :


Oh oh, there is not IP, so...should I?:

root@ganga:/home/daniel# ifconfig eth1 192.168.1.15 netmask 255.255.255.0

and then :



Hey , ONE moment “ link becomes ready” oh yes mamacita... it sounds like something, lets ping :

ping 127.0.0.1 ok
ping 192.168.1.15 ok

but :




I also tried:




And of course I still have no internet conection, also no possible to ping google. Seems to me that it may have something to do with the following line in dmesg

[17181820.836000] eth1: no IPv6 routers present[/QUOTE]

but no idea what to do...

I have disabled Ipv6 on Firefox deactivating the option in

( about:config )

Then on the file: /etc/modprobe.d/aliases

added and commented the following:

alias net-pf-10 ipv6 off
alias net-pf-10 off
alias ipv6 off
#alias net-pf-10 ipv6


I now I am close, I don't surrender, possibly I am doing something wrong, I am relatively new in this things, anyway I am loving it, I love you all for reading this and trying to help me and to help the many people that are in the exact same point where I am... maybe...so then ... the winner of the vacuum cleaner is....[/QUOTE]
I was reading all your tests doing basically the same and checking the results but as you I am unable to see where this is stuck but certainly something is wrong with the area that wants to us Ipv6
 
  


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