nanog mailing list archives

Re: TCP congestion

From: Fred Baker <fred () cisco com>
Date: Thu, 12 Jul 2007 11:56:06 -0700



On Jul 12, 2007, at 11:42 AM, Brian Knoll ((TTNET)) wrote:

If the receiver is sending a DUP ACK, then the sender either never
received the first ACK or it didn't receive it within the timeframe it
expected.


or received it out of order.

Yes, a tcpdump trace is the first step.

Current thread:

TCP congestion Philip Lavine (Jul 12)
- RE: TCP congestion Brian Knoll (TTNET) (Jul 12)
  - Re: TCP congestion Fred Baker (Jul 12)
- Re: TCP congestion Jared Mauch (Jul 12)
- Re: TCP congestion Valdis . Kletnieks (Jul 12)
  - RE: TCP congestion michael.dillon (Jul 12)
- Re: TCP congestion Joe Loiacono (Jul 12)
- Re: TCP congestion Jay Hennigan (Jul 12)
  - Re: TCP congestion Warren Kumari (Jul 13)
- <Possible follow-ups>
- Re: TCP congestion Philip Lavine (Jul 12)
  - Re: TCP congestion Stephen Wilcox (Jul 12)
- Re: TCP congestion Philip Lavine (Jul 12)
  - RE: TCP congestion Brian Knoll (TTNET) (Jul 12)

(Thread continues...)