FC1 -> FC2: very slow xDSL connection...

[antonio montagnani]

Andrea Giuliano wrote/ha scritto, On/il 25/06/2004 10:32:

>On Thu, 2004-06-24 at 19:31, Christoph Wickert wrote:
>  
>
>>Am Do, den 24.06.2004 schrieb Andrea Giuliano um 15:11:
>>    
>>
>>>Dear all,
>>>
>>>a few days ago I had my home ADSL connection working, and it was working
>>>incredibly fast!
>>>
>>>Then I decided to upgrade from FC1 to FC2. Note that I've been using FC2
>>>for some weeks here at work with very positive results.
>>>
>>>After the upgrade at home, the connection became so slow that it is
>>>almost unusable. 
>>>      
>>>
>>What exactly is slow: The transfer rate (e.g. when you download a big
>>file from a fast server) or name resolution (getting the IP for a
>>hostname)?
>>    
>>
>When I activate the ppp interface, it takes much more time than with
>FC1. When I had FC1 running, the log almost immediately showed the lines
>with the local and remote IP addresses and DNS' addresses. Now, after
>the line "ppp <- /dev/pts... " or whatever, it takes ten or more seconds
>to see those addresses.
>
>After that moment, the connection itself is very slow. As I say in the
>answer to Andy Green, some traceroute and ping command show that DNS is
>not the issue here: name are resolved immediately. Traceroute starts
>printing "*" after several lines which appears quite rapidly, and keeps
>on this way for many many seconds, I never had that much patience to
>wait for it to stop.
>
>  
>
>>I think you _may_ be hitting the problem with mozilla and IPV6, which is
>>turned on by default in FC2. There has been some discussion about this
>>last week on the list.
>>    
>>
>
>This sounds interesting. But how can I disable IPv6 to see if it's the
>cause? Must I recompile the kernel, or have I just to echo something
>somewhere in /proc?
>
>Many thanks.
>
>  
>
>>Christoph
>>
>>    
>>
Can you post the result of the output of the command:
 /sbin/route -N

This is mine, please take inaccount that my machine is a router with two 
ethernet cards (one to ADSL modem, one to internal network)

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use 
Iface
192.168.100.1   0.0.0.0         255.255.255.255 UH    0      0        0 ppp0
192.168.0.0     0.0.0.0         255.255.255.0   U     0      0        0 eth0
192.168.254.0   0.0.0.0         255.255.255.0   U     0      0        0 eth1
169.254.0.0     0.0.0.0         255.255.0.0     U     0      0        0 eth1
127.0.0.0       0.0.0.0         255.0.0.0       U     0      0        0 lo
0.0.0.0         192.168.100.1   0.0.0.0         UG    0      0        0 ppp0

Regards

-- 

 Antonio 

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