Recent content by iwanna

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    slow tcp/ip & SMC router

    It appears that the SMC7004AWBR is not correctly handling RFC1323 "Large Windows" extensions to TCP. Looking at the netstat dump I saw a lot (something like 30% of received packets) of TCP bad checksum errors. Turning off RFC1323 did the trick: sudo sysctl -w net.inet.tcp.rfc1323=0 Found...
  2. I

    slow tcp/ip & SMC router

    I'm using DHCP, and the DNS server (as specified by resolv.conf) looks correct. Even just FTP from the shell is slow. One of my test involves downloading a 1mb file via FTP from my website, and it was significantly slower than running the same test from one of my windows box. Looking at tcpdump...
  3. I

    slow tcp/ip & SMC router

    Thanks for the tip. I believe the 7004AWBR has support for wireless access.
  4. I

    slow tcp/ip & SMC router

    I'm running OS 10.1 on one of the new TiBooks. I'm connecting to the internet via an SMC wireless router (7004AWBR; latest firmware) attached to a 56K modem. With both wired and wireless connections, I'm getting terrible performance under OS 10.1; through-put tops out at under 1.5 kbytes/sec...
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