I am running 2.1.27 and my traceroute works great:
traceroute to www5.yahoo.com (204.71.177.70), 30 hops max, 40 byte packets
1 ts13.phx.primenet.com (206.165.11.13) 135.418 ms 147.046 ms 139.812
ms
2 phx-2-fe0.primenet.net (206.165.11.254) 149.641 ms 137.537 ms
129.807 ms
3 phx-10-fe6/0.primenet.net (206.165.5.1) 179.729 ms 147.588 ms
139.786 ms
4 sjc-01-atm1/0-t3.primenet.net (206.165.127.11) 159.724 ms 157.615 ms
149.791 ms
5 mae-west.isi.net (198.32.136.40) 159.747 ms 157.831 ms 159.776 ms
6 core3-pos1-0.MV.isi.net (206.251.0.37) 159.773 ms 157.835 ms
159.793 ms
7 www5.yahoo.com (204.71.177.70) 159.754 ms 157.871 ms 159.776 ms
-- ------------------------------------------------------------------------- | Cory Hill | "...memo to generation X: Pull your | | chill@primenet.com | pants up, turn your hat around, and | | http://www.primenet.com/~chill | get a job." -- P.J. O'Rourke | -------------------------------------------------------------------------