Date: Wed, 07 May 1997 22:54:37 -0400 From: Shawn Carey <smc@servtech.com> To: "Daniel O'Callaghan" <danny@panda.hilink.com.au> Cc: freebsd-hackers@freebsd.org Subject: Re: FTP Performance Message-ID: <3371406D.41C67EA6@servtech.com> References: <Pine.BSF.3.91.970508103844.4479D-100000@panda.hilink.com.au>
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Daniel O'Callaghan wrote: [...] > > Alternatively, try reducing the MTU and MRU of ppp's tun interface to 552 > or 1064. That cured Robert Chalmers' problem with his ISP's Ascend routers. > Yes! That did it, thanks very much! One small thing: The only way I was able to effectively change the MTU was by hacking the ppp source to change DEF_MRU to 1064 in hdlc.h. Using ppp's "set mru" and "set mtu" options did not work - the interface would go back to 1500 as soon as I connected with my ISP, even though I changed tun0's MTU manually with ifconfig. Am I doing something wrong, or is ppp broken? At any rate, I can certainly live with this since my ISP is the only system I typically connect to. Thanks again, -Shawn
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