From: A.Gesse (A.Gesse@race.ru)
Date: Tue Aug 05 2003 - 07:56:20 GMT-3
Hi
For trace Cisco IOS uses UDP, but Windows uses ICMP (for tracert, of
course;)
Al
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On
> Behalf Of huang gang
> Sent: Tuesday, August 05, 2003 10:45 AM
> To: Biondino, Joseph; Scott Morris; Tom Young; ccielab@groupstudy.com
> Subject: Re: could ping but couldn't traceroute
>
>
> Scott and Biondino:
> you are right! i am sorry for my mistake.but i think there
> are different method to achiving TRACEROUTE.maybe ICMP is another way?
> thanks!
> huangg
> ----- Original Message -----
> From: "Biondino, Joseph" <joseph.biondino@au.unisys.com>
> To: "huang gang" <bgv@ggv.com.cn>; "Scott Morris"
> <swm@emanon.com>; "Tom Young" <gitsyoung@yahoo.co.jp>;
> <ccielab@groupstudy.com>
> Sent: Tuesday, August 05, 2003 1:37 PM
> Subject: RE: could ping but couldn't traceroute
>
>
> > Huang,
> >
> > I agree with Scott, it does use UDP. Take this as evidence:
> >
> > bbg-tafe-br1#trace
> > Protocol [ip]:
> > Target IP address: 1.1.1.1
> > Source address: 10.19.67.254
> > Numeric display [n]:
> > Timeout in seconds [3]:
> > Probe count [3]:
> > Minimum Time to Live [1]:
> > Maximum Time to Live [30]:
> > Port Number [33434]:
> > Loose, Strict, Record, Timestamp, Verbose[none]:
> > Type escape sequence to abort.
> > Tracing the route to 1.1.1.1
> >
> > 1 192.168.219.54 60 msec 40 msec 36 msec
> > 2 * *
> >
> > http://www.cisco.com/warp/public/63/ping_traceroute.html#traceroute
> >
> >
> > Kind regards,
> >
> > Joseph Biondino
> > Network Specialist
> > UNISYS
> > Network Command Centre
> >
> > 115 - 117 Wicks Rd
> > North Ryde NSW 2113
> > Phone: 02 9857 3149
> > Group: 02 9390 1107
> > Fax: 02 9857 3122
> >
> > -----Original Message-----
> > From: huang gang [mailto:bgv@ggv.com.cn]
> > Sent: Tuesday, 5 August 2003 3:16 PM
> > To: Scott Morris; Tom Young; ccielab@groupstudy.com
> > Subject: Re: could ping but couldn't traceroute
> >
> > hi,scott:
> > i think i can not agree with you.i think tracert is also
> using icmp echo.you
> > can sniffer it using netxray or deb ip pac det on the router.
> > thx
> > huangg
> > email: bgv@ggv.com.cn
> > Tel: 010-62984668-3912
> > ----- Original Message -----
> > From: "Scott Morris" <swm@emanon.com>
> > To: "'Tom Young'" <gitsyoung@yahoo.co.jp>; <ccielab@groupstudy.com>
> > Sent: Monday, August 04, 2003 9:56 PM
> > Subject: RE: could ping but couldn't traceroute
> >
> >
> > > Traceroute uses high port udp as the transport. Ping uses ICMP.
> > >
> > > Access list or firewall rules in between permitted one but not the
> > > other.
> > >
> > > Scott
> > >
> > >
> > > -----Original Message-----
> > > From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com] On Behalf Of
> > > Tom Young
> > > Sent: Monday, August 04, 2003 5:28 AM
> > > To: ccielab@groupstudy.com
> > > Subject: could ping but couldn't traceroute
> > >
> > >
> > > Hi, group
> > >
> > > A very strange question, for a global address, I
> > > could ping it, but couldn't traceroute it. WHY ?
> > > I really confused.
> > >
> > > Thanks alot
> > >
> > > User Access Verification
> > >
> > > Password:
> > > office01>en
> > > Password:
> > > office01#trace
> > > office01#traceroute 210.178.28.2
> > >
> > > Type escape sequence to abort.
> > > Tracing the route to 210.158.218.2
> > >
> > > 1 202.248.86.129 0 msec 0 msec 4 msec
> > > 2 133.160.0.1 12 msec 8 msec 12 msec
> > > 3 133.160.239.34 8 msec 12 msec 8 msec
> > > 4 133.160.191.133 20 msec 20 msec 20 msec
> > > 5 133.160.224.51 24 msec 16 msec 12 msec
> > > 6 133.160.30.32 16 msec 20 msec 20 msec
> > > 7 133.160.240.254 16 msec 16 msec 16 msec
> > > 8 133.160.12.74 21 msec 16 msec 12 msec
> > > 9 210.171.224.49 12 msec 12 msec 12 msec
> > > 10 158.205.192.197 16 msec 12 msec 12 msec
> > > 11 158.205.192.150 16 msec 20 msec 16 msec
> > > 12 158.205.224.46 16 msec 16 msec 16 msec
> > > 13 158.205.235.69 16 msec 16 msec 16 msec
> > > 14 158.205.200.74 36 msec 36 msec 28 msec
> > > 15 * * *
> > > 16 * * *
> > > 17 * * *
> > > 18 * * *
> > > 19 * * *
> > > 20 * * *
> > > 21 * * *
> > > 22 * * *
> > > 23 * * *
> > > 24 * * *
> > > 25 * * *
> > > 26 * * *
> > > 27 * * *
> > > 28 * * *
> > > 29 * * *
> > > 30 * * *
> > > office01#ping 210.178.28.2
> > >
> > > Type escape sequence to abort.
> > > Sending 5, 100-byte ICMP Echos to 210.158.218.2, timeout
> > > is 2 seconds:
> > > !!!!!
> > > Success rate is 100 percent (5/5), round-trip min/avg/max
> > > = 12/14/16 ms
> > > office01#
> > >
> > > __________________________________________________
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> > >
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