slow thoughput over vpn

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lgkahn
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Joined: 01 May 2007
Posts: 276

PostPosted: Fri Jul 17, 2009 15:10    Post subject: slow thoughput over vpn Reply with quote
i have a 10 megqabit uplink if i ftp in to a public ip it works fine.. get rated speeds

if i ftp in over vpn (pptp) link i only get 30k/sec any suggestions

thanks

tried two different builds of dd-wrt and different routers no change.. it is slow as shit over vpn..

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phuzi0n
DD-WRT Guru


Joined: 10 Oct 2006
Posts: 10141

PostPosted: Fri Jul 17, 2009 20:42    Post subject: Reply with quote
Router's have weak processors and vpn requires some cpu intense encryption. One of the openvpn guides has performance numbers around 300KB/s but that's not pptp. Perhaps if you followed the new forum guidelines (post builds and hardware!) you could get better answers.

http://www.dd-wrt.com/wiki/index.php/VPN_%28the_easy_way%29_v24%2B

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lgkahn
DD-WRT User


Joined: 01 May 2007
Posts: 276

PostPosted: Sat Jul 18, 2009 2:27    Post subject: Reply with quote
tried 3 different versions build

whrg54 v24sp2 11/14/08 std
wrt300n v1 v24sp2 10/25/08 std

and finally my new firewall box which if it was acpu issue expected to be faster

wrt610n v24sp2 6/22/09 mega

all were about 30k a sec give or take 1-2k..
was using microsoft vpn on other end without encryption even required.. no releveant errors in syslog ie..

Jul 17 10:09:32 2009 portal.lgk.com Jul 17 10:09:44 pptpd[30087]: CTRL: Client 216.177.20.66 control connection started
Jul 17 10:09:32 2009 prtl.lgk.com Jul 17 10:09:44 pptpd[30087]: CTRL: Starting call (launching pppd, opening GRE)
Jul 17 10:09:32 2009 prtl.lgk.com Jul 17 10:09:44 pppd[30088]: pppd 2.4.4 started by xxxx, uid 0
Jul 17 10:09:32 2009 prtl.lgk.com Jul 17 10:09:44 pptpd[30087]: CTRL: Ignored a SET LINK INFO packet with real ACCMs!
Jul 17 10:46:57 2009 prtl.lgk.com Jul 17 10:47:09 pptpd[30087]: CTRL: Reaping child PPP[30088]
Jul 17 10:46:57 2009 prtl.lgk.com Jul 17 10:47:09 pppd[30088]: Exit.
Jul 17 10:46:57 2009 prtl.lgk.com Jul 17 10:47:09 pptpd[30087]: CTRL: Client 216.177.20.66 control connection finished
Jul 17 10:51:29 2009 prtl.lgk.com Jul 17 10:51:40 pptpd[31173]: CTRL: Client 216.177.20.66 control connection started
Jul 17 10:51:29 2009 prtl.lgk.com Jul 17 10:51:40 pptpd[31173]: CTRL: Starting call (launching pppd, opening GRE)
Jul 17 10:51:29 2009 prtl.lgk.com Jul 17 10:51:40 pppd[31174]: pppd 2.4.4 started by xxxx, uid 0
Jul 17 10:51:29 2009 prtl.lgk.com Jul 17 10:51:41 pptpd[31173]: CTRL: Ignored a SET LINK INFO packet with real ACCMs!
Jul 17 10:56:29 2009 prtl.lgk.com Jan 1 00:00:11 syslog: vpn modules : vpn modules successfully unloaded


Jul 17 10:56:41 2009 prtl.lgk.com Jul 17 10:56:38 syslog: syslogd : syslog daemon successfully stopped
Jul 17 10:56:41 2009 w.lgk.com Jul 17 10:56:40 pptpd[31204]: CTRL: Client 216.177.20.66 control connection started
Jul 17 10:56:41 2009 w.lgk.com Jul 17 10:56:40 pptpd[31204]: CTRL: Starting call (launching pppd, opening GRE)
Jul 17 10:56:42 2009 w.lgk.com Jul 17 10:56:40 pppd[31205]: pppd 2.4.4 started by xxx, uid 0
Jul 17 10:56:42 2009 w.lgk.com Jul 17 10:56:40 pptpd[31204]: CTRL: Ignored a SET LINK INFO packet with real ACCMs!
Jul 17 10:56:42 2009 prtl.lgk.com Jul 17 10:56:38 kernel: klogd started: BusyBox v1.12.1 (2008-10-28 01:56:49 CET)
Jul 17 10:56:42 2009 prtl.lgk.com Jul 17 10:56:38 syslog: klogd : klog daemon successfully started
Jul 17 10:59:40 2009 w.lgk.com Jul 17 10:59:39 pptpd[31204]: CTRL: Reaping child PPP[31205]
Jul 17 10:59:40 2009 w.lgk.com Jul 17 10:59:39 pppd[31205]: Exit.
Jul 17 10:59:40 2009 w.lgk.com Jul 17 10:59:39 pptpd[31204]: CTRL: Client 216.177.20.66 control connection finished
Jul 17 11:23:47 2009 prtl.lgk.com Jul 17 11:23:44 syslog: klogd : klog daemon successfully stopped


Jul 17 11:34:26 2009 pndt Jul 17 11:34:32 syslog: vpn modules : ip_conntrack_pptp successfully loaded
Jul 17 11:34:26 2009 pndt Jul 17 11:34:32 syslog: vpn modules : ip_nat_pptp successfully loaded
Jul 17 11:34:39 2009 pndt Jul 17 11:34:45 pptpd[4906]: CTRL: Client 216.177.20.66 control connection started
Jul 17 11:34:39 2009 pndt Jul 17 11:34:45 pptpd[4906]: CTRL: Starting call (launching pppd, opening GRE)
Jul 17 11:34:40 2009 pndt Jul 17 11:34:46 pppd[4908]: pppd 2.4.4 started by xxxx, uid 0
Jul 17 11:34:40 2009 pndt Jul 17 11:34:46 pptpd[4906]: CTRL: Ignored a SET LINK INFO packet with real ACCMs!
Jul 17 11:35:46 2009 pndt Jul 17 11:35:52 login[4946]: xxxx login on 'pts/1'
Jul 17 11:37:20 2009 pndt Jul 17 11:37:26 pptpd[4906]: CTRL: Reaping child PPP[4908]
Jul 17 11:37:20 2009 pndt Jul 17 11:37:26 pppd[4908]: Exit.
Jul 17 11:37:20 2009 pndt Jul 17 11:37:26 pptpd[4906]: CTRL: Client 216.177.20.66 control connection finished
Jul 17 11:37:21 2009 pndt Jul 17 11:37:27 syslog: klogd : klog daemon successfully stopped





reboot didnt help
phuzi0n
DD-WRT Guru


Joined: 10 Oct 2006
Posts: 10141

PostPosted: Sat Jul 18, 2009 3:34    Post subject: Reply with quote
lgkahn wrote:
tried 3 different versions build

whrg54 v24sp2 11/14/08 std
wrt300n v1 v24sp2 10/25/08 std

and finally my new firewall box which if it was a cpu issue expected to be faster


wrt610n v24sp2 6/22/09 mega

So you had all the vpn stuff offloaded from the routers and still only got 30kbps? That sounds like an ISP issue.

_________________
Read the forum announcements thoroughly! Be cautious if you're inexperienced.
Available for paid consulting. (Don't PM about complicated setups otherwise)
Looking for bricks and spare routers to expand my collection. (not interested in G spec models)
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