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Date:      Sat, 19 Jul 1997 19:41:54 +0300 (EEST)
From:      Ruslan Ermilov <>
To:        questions@FreeBSD.ORG (FreeBSD Questions), bugs@FreeBSD.ORG (FreeBSD Bugs)
Cc: (Ruslan Ermilov)
Subject:   Serious TCP bugs in RELENG_2_2
Message-ID:  <>

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I think there is a serious TCP bug(s) in RELENG_2_2.
TCP input rate is ok (800-900 Kb/sec).
TCP output rate is TOO SLOW (approximately 30 Kb/sec).

OS: 2.2.1-RELEASE,
    2.2-STABLE kernel (1997/07/19)

    3Com 3c579 ("ep")
    Intel EtherExpress Pro/10 ISA ("ex")
    Intel EtherExpress 16 ISA ("ix" on 2.2.1, "ie" on 2.2.2 & 2.2-STABLE)
    NE2000 Compatible Card ("ed")

In THE SAME network configuration there is NO problems
with 2.1-STABLE (1997/02/26).

The cards I've tried with 2.1-STABLE are: 3Com 3c579 and NE2000.
Both the input and output rates are approximately 850 Kb/sec.

Ruslan A. Ermilov	System Administrator	United Commercial Bank
+380-652-247 647	Simferopol, Crimea

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