"Jonathan Gill" <[EMAIL PROTECTED]>:
>I have a Linux Box (P2 233 / 128Mb ram Kernel 2.0.33) with an external Hayes
>ISDN 128K Modem. I'm dialing into Easynet as the ISP but I have the same
>problem with almost every other ISP I try as well.
>The connection goes through really well, the ip-up script is run and all
>seems to be working well, until I try to use the connection. The instant I
>start to use the connection it slows down to a crawl. FTPing from the Linux
>machine to an ftp server at the ISP gives me a through put of about 1.5 K
>maximum.
I use a Zyxel Omni.Net adapter, also external. I routinely get 14-15.4 KB/sec
on a 128 Kbit ISDN connection, with no slowdowns. When not using bundled
connections, I get 7-8 KBit/sec, as I would expect. For bundled connections,
you definitely need a high-speed serial port (mine runs at 460.800 bps).
What pppd options are you using ? Some options - like "asyncmap 0", or
Van Jacobson header compression - can have large impacts on the throughput.
Path MTU discovery can also be a problem, depending on the equipment at the
other end. Disabling this is a kernel compile option.
--
Henrik Storner | "testing? What's that? If it compiles, it is good,
| if it boots up it is perfect."
| Linus Torvalds
-
To unsubscribe from this list: send the line "unsubscribe linux-diald" in
the body of a message to [EMAIL PROTECTED]
