RE: forward vs reverse path measurements: a neat use for lsping

Neal Cardwell (cardwell@cs.washington.edu)
Tue, 15 Dec 1998 02:08:32 -0800 (PST)

I've been playing around a little with tracroute and ping on Linux from
home and the bottom line is traceroute doesn't do options correctly on
Linux.

> 2) our campus doesn't forward LSR packets (true).

Oddly, ping record-route does seem to work, btw.

[cardwell@cdsl117 traceroute-1.4a5]# ping -R www.cs.washington.edu
PING bauhaus.cs.washington.edu (128.95.4.112): 56 data bytes
64 bytes from 128.95.4.112: icmp_seq=0 ttl=57 time=34.1 ms
RR: cdsl117.sttl.uswest.net (209.180.204.117)
206.81.192.147
206.81.192.221
us-west.Seattle.cw.net (166.48.213.250)
166.48.205.253
fe0-0.seatr1-gw.nw.verio.net (204.200.8.3)
uwbr1-FE1-1-0.cac.washington.edu (140.142.153.23)
hoover-V4.cac.washington.edu (128.95.4.100)
bauhaus.cs.washington.edu (128.95.4.112)

neal