Network+

Скачать в pdf «Network+»

110


ms


96


ms


107


ms


fgol.corpcomm.net [209.74.93.10]


2


96


ms


12 6


ms


95


ms


someone.corpcomm.net [209.74.93.1]


3


113


ms


119


ms


112


ms


Serial5-l-l.GU2.HSPl.alter.net [157.130.100.185]


4


133


ms


123


ms


12 6


ms


152.ATH3-0.XR2.CHI6.ALTER.NET [146.188.209.126]


5


176


ms


133


ms


129


ms


290.ATH2-0.TR2.CHI4.ALTER.NET [146.188.209.10]


6


196


ms


184


ms


218


ms


106.ATH7-0.TR2.SCL1.ALTER.NET [146.188.136.162]


7


182


ms


187


ms


187


ms


298.ATH7-0.XR2.SJC1.ALTER.NET [146.188.146.61]


8


204


ms


176


ms


186


ms


192.ATH3-0-0.SAN-J0SE9-GU.ALTER.NET [146.188.144.133]


9


202


ms


198


ms


212


ms


atm3-0-622H.cr1.sjc.globalcenter.net [206.57.16.17]


10


209


ms


202


ms


195


ms


pos3-l-155H.br4.SJC.globalcenter.net [206.132.150.98]


11


190


ms


*


191


ms


pos0-0-0-155H.hr3.SNV.globalcenter.net [206.251.5.93]


12


195


ms


188


ms


188


ms


pos4-l-0-155H.hr2.SNV.globalcenter.net [206.132.150.206]


13


198


ms


202


ms


197


ms


wwwlO.yahoo.com [204.71.200.75]

Trace complete


As you can see, the packet bounces through several routers before arriving at its destination. This utility is useful if you are having problems reaching a web server on the Internet and you want to know if a WAN link is down or if the server just isn’t responding. In Figure 4.12, every router is up and is, in fact, responding. The asterisk indicates that the attempt for that router took longer than the default time-out value. This usually means that either the router is extremely busy or that particular link is slow.

Скачать в pdf «Network+»