Portmaster Problems (traceroutes, slow transfers)

Adam Lynch (madlynch@eznet.net)
Tue, 22 Jul 1997 11:40:18 -0400 (EDT)

Lately, the ISP I work for, E-Znet, Inc., has been getting complatints
from dialup users who have been getting slow transfers from machines in
our network. Like dns1, mail, etc. One user sent us a traceroute capture
from his Win95 box.

We use a livingston Portmaster 2 for that branch of our net.

Here it is:

----------------cut------------here------------
2:13pm 07.18.97
Translated Name: csa.eznet.net
IP Address: 207.50.134.159

Sending 48 data bytes to dns1.eznet.net [207.50.128.2]

1:No packet received from intermediate hop.
2:Rcvd ICMP pkt type 11: [207.50.134.129] ? in 130 msec. (wlsv cisco
2501)
3:Rcvd ICMP pkt type 11: [207.50.133.5] ? in 791 msec. (kintner)
4:Rcvd ICMP pkt type 11: [207.50.143.45] ? in 933 msec. (roch router
?)
5:Rcvd ICMP pkt type 0: [207.50.128.2] ?, 48 bytes in 1271 msec.
(pdns)

TraceRoute Statistics for dns1.eznet.net
5 packets transmitted, 4 packets received, 20% packet loss
round-trip (ms) min/avg/max = 130/781/1271

2:16pm 07.18.97
Sending 48 data bytes to dns1.eznet.net [207.50.128.2]

1:No packet received from intermediate hop.
2:Rcvd ICMP pkt type 11: [207.50.134.129] ? in 129 msec.
3:Rcvd ICMP pkt type 11: [207.50.133.5] ? in 163 msec.
4:Rcvd ICMP pkt type 11: [207.50.143.45] ? in 1908 msec.
5:Rcvd ICMP pkt type 0: [207.50.128.2] ?, 48 bytes in 1916 msec.

TraceRoute Statistics for dns1.eznet.net
5 packets transmitted, 4 packets received, 20% packet loss
round-trip (ms) min/avg/max = 129/1029/1916

-------------cut---------------here--------------------

The users can get to the network, but their transfer times are slow, and
the first hop on the traceroute is missing. I read that that is because of
the strange Microsoft traceroute implementation, but this user was using a
different one(non-M$).

Is there something that could be wrong besides the Livingston-M$ conflict?

Any help/ideas would be appreciated.

Thanks..

---
AdamLynch
E-Znet, Inc.




Never underestimate the bandwidth of a Suburban filled with Travan tapes.