Messages in this thread | | | Subject | Re: Resolved: Poor PPP performance in 2.2.x | Date | Fri, 26 Feb 1999 11:54:20 +0000 | From | David Woodhouse <> |
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mandree@dosis.uni-dortmund.de said: > Many ISP use Ascend dial-in routers which support only the lame ('coz > proprietary) STAC/MS-STAC/LZ-anything compression which Linux-ppp does > not support, while the Ascend cannot be fitted with PPP-Deflate or > BSD-Compress either. :-(
LZS compression is available for ISDN.
Feb 26 10:51:52 firewall ipppd[106]: Compressor Stac Electronics LZS loaded! Feb 26 10:51:52 firewall ipppd[106]: Compressor BSD Compress loaded! Feb 26 10:51:52 firewall ipppd[106]: local IP address 158.152.16.50 Feb 26 10:51:52 firewall ipppd[106]: remote IP address 158.152.1.222 Feb 26 10:51:52 firewall ipppd[106]: ppp not replacing existing default route to ippp0[0.0.0.0] Feb 26 10:51:52 firewall ipppd[106]: [0] LZS (hists 1 check 3) compression enabl ed
It works quite nicely here, and I believe I'm talking to Ascends at the other end (Demon Internet, UK).
It's a shame that the module only works with one of the three PPP implementations in 2.2 (sync-over-ISDN, async, sync-over-leased-lines). I believe all three are going to be combined soon in the 2.3 series, and then the new compression methods should work over every medium.
---- ---- ---- David Woodhouse David.Woodhouse@mvhi.com Office: (+44) 1223 810302 Project Leader, Process Information Systems Mobile: (+44) 976 658355 Axiom (Cambridge) Ltd., Swaffham Bulbeck, Cambridge, CB5 0NA, UK. finger dwmw2@ferret.lmh.ox.ac.uk for PGP key.
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