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Old 03-25-2006, 10:46 AM   #1
rconan
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Problem since upgrade to FC5 and use of my new router


I recently installed FC5 to replace FC4 and installed Windows XP to replace Windows 2000

Both of these are using my new Ovislink evowr54adsl router (details are only at ovislink.fr for some reason and unfortunately in french) as a modem but only windows seems to handle it correctly.

Using linux the connection seems strange. While it works seemingly fine for most things, some downloads fail and some websites wont load. Both these things will work fine using the same connection from windows.

I assume this is some problem with the settings of the eth0 interface on linux but there arent any settings for the connection that I can forsee having that effect.

So....
Any ideas?
 
Old 03-25-2006, 10:59 AM   #2
RobertP
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It is unlikely the modem would do anything different between Windows and Linux. I suspect you are seeing a continuation of the browser wars. IE deviates in several ways from w3c standards. Many websites cater to the idiosyncracies of IE. Other browsers may not handle these sites gracefully. Another problem is that web designers may present different pages depending on the browser and get it wrong by mistake, and in some cases, deliberately. You might try a w3c test on sites that give trouble, or stay away from them. see http://validator.w3.org/ You might also try a different browser.
 
Old 03-25-2006, 01:27 PM   #3
ceros
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Check your firewall settings as well. I know Fedora disables internet access by default.
 
Old 03-26-2006, 12:04 PM   #4
rconan
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Im using firefox on windows as well as on linux so the browser is the same (maybe a minor version difference).
The internet is enabled as I can access the internet. It just behaves very slowly and not at all for some sites.

I found some other strange symptoms as well:

If I do
wget http://url.com/whatever
it resolves the IP to 1.0.0.0 whatever the site and fails to download for obvious reasons

If I ping the same address it resolves correctly and works.

If I then do the wget command again after pinging it resolves correctly and works.



I read a site which put this down to IPV6 being enabled on the ethernet connection (which it isnt) and also the router forwarding the DNS via its own address. But changing both these things seems to make no difference.
 
Old 03-26-2006, 12:27 PM   #5
RobertP
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This sounds like a DNS problem.

List /etc/resolv.conf

List /etc/nsswitch.conf

route

It could be that you have multiple choices for DNS and the first one or two fail with timing out.

dig cbc.ca

How long does it take to respond and what server responds? If you do not have dig, you may get it in package dnsutils in Debian or bind-utils in FC.
 
Old 03-26-2006, 12:39 PM   #6
rconan
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cat /etc/resolv.conf

Quote:
; generated by /sbin/dhclient-script
nameserver 192.168.1.1
cat /etc/nsswitch.conf

Quote:
#
# /etc/nsswitch.conf
#
# An example Name Service Switch config file. This file should be
# sorted with the most-used services at the beginning.
#
# The entry '[NOTFOUND=return]' means that the search for an
# entry should stop if the search in the previous entry turned
# up nothing. Note that if the search failed due to some other reason
# (like no NIS server responding) then the search continues with the
# next entry.
#
# Legal entries are:
#
# nisplus or nis+ Use NIS+ (NIS version 3)
# nis or yp Use NIS (NIS version 2), also called YP
# dns Use DNS (Domain Name Service)
# files Use the local files
# db Use the local database (.db) files
# compat Use NIS on compat mode
# hesiod Use Hesiod for user lookups
# [NOTFOUND=return] Stop searching if not found so far
#

# To use db, put the "db" in front of "files" for entries you want to be
# looked up first in the databases
#
# Example:
#passwd: db files nisplus nis
#shadow: db files nisplus nis
#group: db files nisplus nis

passwd: files
shadow: files
group: files

#hosts: db files nisplus nis dns
hosts: files dns

# Example - obey only what nisplus tells us...
#services: nisplus [NOTFOUND=return] files
#networks: nisplus [NOTFOUND=return] files
#protocols: nisplus [NOTFOUND=return] files
#rpc: nisplus [NOTFOUND=return] files
#ethers: nisplus [NOTFOUND=return] files
#netmasks: nisplus [NOTFOUND=return] files

bootparams: nisplus [NOTFOUND=return] files

ethers: files
netmasks: files
networks: files
protocols: files
rpc: files
services: files

netgroup: nisplus

publickey: nisplus

automount: files nisplus
aliases: files nisplus
route

Quote:
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.1.0 * 255.255.255.0 U 0 0 0 eth0
169.254.0.0 * 255.255.0.0 U 0 0 0 eth0
default gateway.localdo 0.0.0.0 UG 0 0 0 eth0
dig cbc.ca

Quote:
; <<>> DiG 9.3.2 <<>> cbc.ca
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 42236
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;cbc.ca. IN A

;; ANSWER SECTION:
cbc.ca. 3521 IN A 159.33.3.85

;; Query time: 33 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: Sun Mar 26 18:38:24 2006
;; MSG SIZE rcvd: 40
 
Old 03-27-2006, 12:15 PM   #7
ceros
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Can you first try to use your old router to rule out the possibility of a hardware problem? Also, try plugging your computer straight into the modem and do <dhcpcd -n> and then <dig> and look at the last four lines to see what dns server you start using then.
 
Old 03-28-2006, 10:46 AM   #8
rconan
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My old connection was direct via a speedtouch 330 USB modem (which is awkward to set up so i cant really try it).

Hardware failure is unlikely given the windows connection works fine.

I'm using the router 192.168.1.1 as a DNS in windows as well as linux but changing to my real nameservers 194.168.4.100 and 194.168.8.100 seems to make no difference.

The modem is integrated into the router also so i cant try that on its own.

There are loads of options for the LAN side of the router i dont understand though so i guess its probably one of those.

These for example:

Services Status
IP Filters On
Bridge Filters Off
UPnP Off
LAN Clients On
IP QoS Off
Static Routing
 
  


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