Date: 04 Jul 2002 09:12:24 +0200 From: Kai Kaminski <kok@wtal.de> To: freebsd-questions@freebsd.org Subject: mpd is slow Message-ID: <86znx8uftz.fsf@wtal.de>
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Hi,
my machine is connected to my university's student network, which is
connected to the internet. Since a few weeks, I have to establish a
vpn connection before I can send any packets outside the local
network. I'm using mpd for this. The problem is, that with mpd the
connections are incredibly slow, sometimes only a few hundred
bytes/s. Before vpn was introduced I normally had download rates of
several dozen kilobytes/s and with my windows machine I still get
those rates. This phenomenon doesn't depend on the protocol used. It
doesn't matter if I use http, ftp, nntp or pop3.
I already tried to change net.inet.tcp.sendspace etc., but it had no
effect. (I tried values between 2048 and 65536)
Here is my config:
# uname -a
FreeBSD gauss 4.5-RELEASE-p6 FreeBSD 4.5-RELEASE-p6 #0: Mon Jun 24 22:49:40 CEST 2002 kok@gauss:/usr/obj/usr/src/sys/GAUSS i386
# mpd -v
Version 3.8 (root@gohan15.FreeBSD.org 23:37 26-May-2002)
# cat /usr/local/etc/mpd/mpd.conf
default:
load vpn
vpn:
new -i ng0 vpn vpn
set iface disable on-demand
set iface idle 0
set iface route default
set bundle disable multilink
set bundle authname xxxx
set link no acfcomp protocomp
set link no pap
set link accept chap
set ipcp no vjcomp
open
# cat /usr/local/etc/mpd/mpd.links
### StudNet VPN for FreeBSD (mpd.links)
vpn:
set link type pptp
set pptp peer vpn.aaa.bbb.ccc
set pptp enable originate incoming outcall
/home/kok# ipfw -a show
10000 1268 723216 allow ip from any to any via lo0
11000 0 0 deny log logamount 100 ip from any to 127.0.0.0/8
12000 30937 5178738 allow tcp from any to any established
13000 0 0 deny log logamount 100 tcp from any to any in setup
13500 0 0 deny log logamount 100 udp from any to any 53 in
60000 43039 6311018 allow ip from any to any
65535 1 330 allow ip from any to any
And here is my mpd.log:
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] LCP: SendConfigReq #2
Jul 4 08:59:59 <3.6> gauss mpd: MRU 1500
Jul 4 08:59:59 <3.6> gauss mpd: MAGICNUM bc313f00
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] LCP: rec'd Configure Ack #2 link 0 (Ack-Sent)
Jul 4 08:59:59 <3.6> gauss mpd: MRU 1500
Jul 4 08:59:59 <3.6> gauss mpd: MAGICNUM bc313f00
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] LCP: state change Ack-Sent --> Opened
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] LCP: phase shift ESTABLISH --> AUTHENTICATE
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] LCP: auth: peer wants CHAP, I want nothing
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] LCP: LayerUp
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] CHAP: rec'd CHALLENGE #1
Jul 4 08:59:59 <3.6> gauss mpd: Name: "vpn-nat-02-a"
Jul 4 08:59:59 <3.6> gauss mpd: Using authname "xxxxxxx"
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] CHAP: sending RESPONSE
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] CHAP: rec'd SUCCESS #1
Jul 4 08:59:59 <3.6> gauss mpd: MESG: S=E355572B0B4908B26E62278250BAED78E5FFC5A8
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] LCP: authorization successful
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] LCP: phase shift AUTHENTICATE --> NETWORK
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] up: 1 link, total bandwidth 64000 bps
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] IPCP: Up event
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] IPCP: state change Starting --> Req-Sent
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] IPCP: SendConfigReq #1
Jul 4 08:59:59 <3.6> gauss mpd: IPADDR IP1
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] IPCP: rec'd Configure Request #1 link 0 (Req-Sent)
Jul 4 08:59:59 <3.6> gauss mpd: IPADDR IP2
Jul 4 08:59:59 <3.6> gauss mpd: IP2 is OK
Jul 4 08:59:59 <3.6> gauss mpd: COMPPROTO VJCOMP, 16 comp. channels, allow comp-cid
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] IPCP: SendConfigRej #1
Jul 4 08:59:59 <3.6> gauss mpd: COMPPROTO VJCOMP, 16 comp. channels, allow comp-cid
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] rec'd unexpected protocol CCP on link 0, rejecting
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] IPCP: rec'd Configure Nak #1 link 0 (Req-Sent)
Jul 4 08:59:59 <3.6> gauss mpd: IPADDR IP3
Jul 4 08:59:59 <3.6> gauss mpd: IP3 is OK
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] IPCP: SendConfigReq #2
Jul 4 08:59:59 <3.6> gauss mpd: IPADDR IP3
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] IPCP: rec'd Configure Request #2 link 0 (Req-Sent)
Jul 4 08:59:59 <3.6> gauss mpd: IPADDR IP2
Jul 4 08:59:59 <3.6> gauss mpd: IP2 is OK
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] IPCP: SendConfigAck #2
Jul 4 08:59:59 <3.6> gauss mpd: IPADDR IP2
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] IPCP: state change Req-Sent --> Ack-Sent
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] IPCP: rec'd Configure Ack #2 link 0 (Ack-Sent)
Jul 4 08:59:59 <3.6> gauss mpd: IPADDR IP3
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] IPCP: state change Ack-Sent --> Opened
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] IPCP: LayerUp
Jul 4 08:59:59 <3.6> gauss mpd: IP3 -> IP2
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] IFACE: Up event
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] exec: /sbin/ifconfig ng0 IP3 IP2 netmask 0xffffffff -link0
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] exec: /sbin/route add 0.0.0.0 IP2
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] exec: command returned 256
Jul 4 08:59:59 <3.6> gauss mpd: [vpn] IFACE: Up event
Thanks in advance,
Kai Kaminski
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