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To: gentoo-mirrors@g.o
From: Francisco Javier Lloreda Sanchez <franllo@...>
Subject: Re: Problems whith bandwidth
Date: Sat, 13 Nov 2004 16:18:04 +0100
El Sábado, 13 de Noviembre de 2004 13:34, Corey Shields escribió:
> Francisco Javier Lloreda Sanchez wrote:
> | Hi!! We have having problems with the bandwidth here at linuv.uv.es
> | while we are syncing the new Gentoo 2004.3. The max we are reached
> | at this time is 100kb. For days it has been speaking with a
> | adminstrador of gentoo and he include to us in a list for routing
> | by internet2 and from that way catch near 1Mb. But for days we have
> | been returning to have little bandwidth.
> |
> | Could you help us?
> |
> | Thaks.
> |
> | PS: Sorry for my bad English, well google help me. ;)
>
> Can you post a traceroute to rsync.osuosl.org?

Sure, here are our tracepath to rsync.osuosl.org:

linuv root # tracepath rsync.osuosl.org
 1:  linuv.informat.uv.es (147.156.17.151)                  0.183ms pmtu 1500
 1:  farsoro.red.uv.es (147.156.16.1)                       1.477ms
 2:  neveral3.red.uv.es (147.156.201.6)                     0.823ms
 3:  AT0-2-0-0.EB-Valencia0.red.rediris.es (130.206.211.181) asymm  4   
0.915ms
 4:  VAL.SO3-0-0.EB-IRIS4.red.rediris.es (130.206.240.13) asymm  5   6.647ms
 5:  rediris.es1.es.geant.net (62.40.103.61)              asymm  6   6.946ms
 6:  es.it1.it.geant.net (62.40.96.186)                   asymm  7  29.354ms
 7:  it.de2.de.geant.net (62.40.96.61)                    asymm  8  38.472ms
 8:  abilene-gw.de2.de.geant.net (62.40.103.254)          asymm  9 132.083ms
 9:  nycmng-washng.abilene.ucaid.edu (198.32.8.84)        asymm 10 152.019ms
10:  chinng-nycmng.abilene.ucaid.edu (198.32.8.82)        asymm 11 151.865ms
11:  iplsng-chinng.abilene.ucaid.edu (198.32.8.77)        asymm 12 155.185ms
12:  kscyng-iplsng.abilene.ucaid.edu (198.32.8.81)        asymm 13 164.411ms
13:  dnvrng-kscyng.abilene.ucaid.edu (198.32.8.13)        asymm 14 179.089ms
14:  snvang-dnvrng.abilene.ucaid.edu (198.32.8.1)         asymm 15 199.791ms
15:  pos-1-0.core0.eug.oregon-gigapop.net (198.32.163.17) 211.960ms
16:  nero.eug.oregon-gigapop.net (198.32.163.151)         asymm 18 212.290ms
17:  eugn-core1-gw.nero.net (207.98.64.168)               asymm 19 212.524ms
18:  corv-car1-gw.nero.net (207.98.64.6)                  asymm 20 214.216ms
19:  rsync.osuosl.org (140.211.166.135)                   asymm 20 216.091ms 
reached
     Resume: pmtu 1500 hops 19 back 20

We are connected to Valencia University that belongs to RedIris, and RedIris 
connects via Geant to Ablilene. 
That is my question, why connecting via Internet2(Geant<-->Abilene) we have 
that low bandwidth?? Any problem with the routing?

We have configured the sysctl like this to solve some problems whith the 
routing as recommended by some gentoo stuff.

# increase Linux autotuning TCP buffer limits
net.ipv4.tcp_rmem = 4096 8388608 16777216
net.ipv4.tcp_wmem = 4096 524288 16777216
net.ipv4.tcp_mem = 97280 977920 9830400
# increase Linux TCP buffer limits
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.core.rmem_default = 131072
net.core.wmem_default = 131072
# as per http://lwn.net/Articles/92727/
net.ipv4.tcp_default_win_scale = 0

Thanks for all.


-- 
Linux localhost 2.6.8-gentoo-r3 #6 Wed Oct 6 16:31:23 CEST 2004 i686 AMD 
Duron(tm) processor AuthenticAMD GNU/Linux
Attachment:
pgpmU3ecjviTl.pgp (PGP signature)
Replies:
Re: Problems whith bandwidth
-- Corey Shields
Re: Problems whith bandwidth
-- Scott Kveton
References:
Problems whith bandwidth
-- Francisco Javier Lloreda Sanchez
Re: Problems whith bandwidth
-- Corey Shields
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