Re: AF-NM: IBM 8285 Address Registration
"Ron M. Parker" <rmp@alpo.casc.com> Tue, 15 October 1996 12:46 UTC
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Date: Tue, 15 Oct 1996 08:33:04 -0400
From: "Ron M. Parker" <rmp@alpo.casc.com>
Message-Id: <9610151233.AA10137@emily.cascade>
To: comp.dcom.cell-relay@indiana.edu, dklippel@pt1.hirschmann.de
Subject: Re: AF-NM: IBM 8285 Address Registration
Cc: atommib@thumper.bellcore.com, af-nm@atmforum.com
X-Sun-Charset: US-ASCII
Dieter - This table is dual-indexed (port and address). The "103" is the port identifier. Since the address, itself, is variable length (8 or 20 octets), a length is required to precede it (20 in this case). See RFC1212 for a description of variable length indices in MIB tables. Ron Parker Cascade Communications > From af-bounce@atmforum.com Tue Oct 15 07:59 EDT 1996 > Date: Tue, 15 Oct 1996 04:56:55 -0700 (PDT) > From: "dklippel" <dklippel@pt1.hirschmann.de> > Subject: AF-NM: IBM 8285 Address Registration > To: comp.dcom.cell-relay@indiana.edu > Cc: atommib@thumper.bellcore.com, af-nm@atmforum.com > Mime-Version: 1.0 > Content-Transfer-Encoding: 7BIT > X-Info: [Un]Subscribe or administrative requests should go to info@atmforum.com > X-Atm-Gateway: AF-NM AF-NM > > Hi folks, > > I have a question concerning the Address Registration MIB: > > We use an IBM 8285 ATM Workgroup Switch. When I perform a > get-next to its atmfAtmAddressTable, following result is printed: > > atmfAddressStatus.103.20.57.153.153.153.153.153.153.0.0.153.153.1.1.2.0. > 161.10.0.128.0 = 1 > > This is the entry for our ATM Workstation, which is connected to this > switch. I interprete this entry as following: > > - the last 7 bytes define the ESI and the SEL of the ATM Host > ESI: 2.0.161.10.0.128 > SEL:0 > > - the 13 bytes before define the Net Prefix > 57.153.153.153.153.153.153.0.0.153.153.1.1 > > That is right so far. But what mean the first two bytes: 103.20 ?? > Since the first index defines the ATM Port, what means the second ? > > > The atmfAddressEntry (UNI 3.1) uses following index: > > atmfAddressPort : INTEGER > atmfAddressAtmAddress : AtmAddress --> OCTET STRING(SIZE(8|20)) > > So the above entry should have a maximum index length of 21. > (Port and ATM Address) and not 22. > > Can anyone help me ? > > Thanks and best regards, > > > > > ******************************** > Dieter Klippel > Richard Hirschmann GmbH & Co. > Networking Technology - NEH > Development High Speed LAN > > PO Box 1649 > 72606 Nuertingen > > Tel: (49) 7127/14-1627 > Fax: (49) 7127/14-1600 >
- Re: AF-NM: IBM 8285 Address Registration Ron M. Parker