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From: Igor Vinokurov <igor@cs.ibank.ru>
Message-Id: <199609231140.PAA01798@escape.cs.ibank.ru>
Subject: strange revoke slattach
To: questions@freebsd.org
Date: Mon, 23 Sep 1996 15:40:33 +0400 (MSD)
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re,

  I've seen strange behavior under 2.1.5R.

  Each 2 minutes slattach drop "DTR" and revoke redial cmd if
no data passed through slip interface. No keepalive/outfill checking
at my and ISP side.

  If I run ping to ISP each 1 minute then this trouble not happened.

  Why?

P.S: Yes, my English not perfect :)