Month: February 2008

  • Packet loss – mismatch switch speed

    Link encap:Ethernet HWaddr 00:16:76:E1:A2:F8 inet addr:xx.xx.xx.51 Bcast:xx.xx.xx.63 Mask: inet6 addr: fe80::216:76ff:fee1:a2f8/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:11098 errors:2178 dropped:0 overruns:0 frame:1098 TX packets:1493 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:751041 (733.4 KiB) TX bytes:171501 (167.4 KiB) Base address:0x2020 Memory:e0200000-e0220000 If you have packet loss and see RX errors/frame, there could be…

  • Virtual world vs. the real world

    A ship drops an anchor and boom, Internet down! Everything is in chaos and the trend is only get worse as we depend more on the Internet for our every day activities. The following diagram shows just how connected and yet vulnerable the whole system is. Optical Cable Undersea