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From: Luigi Rizzo <rizzo@icir.org>
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Date: Mon, 27 Jan 2003 19:21:52 ()
To: xorp-cvs@icir.org
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Subject: [Xorp-cvs] XORP cvs commit: xorp/libxorp/ asnum.hh xorp/bgp/ aspath.cc aspath_test.cc local_data.hh main.cc peer_data.cc xorp/bgp/harness/ peer.cc
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CVSROOT: /usr/local/share/doc/apache/cvs
Module name: xorp
Repository: xorp/bgp/harness/
Changes by: rizzo@xorpc.icir.org. 03/01/27 19:21:52
Modified files:
xorp/libxorp/: asnum.hh
xorp/bgp/: aspath.cc aspath_test.cc local_data.hh main.cc
peer_data.cc
xorp/bgp/harness/: peer.cc
Log message:
After reading the draft on 32-bit AS numbers, implement AsNum correctly:
there is only one constructor irrespective of the numeric value of
the AsNum. As per the spec, the 16-bit as() method will return the
IANA-assigned constant AS_TRAN for values > 0xffff, and the 32-bit
as32() method will return a 32-bit value in all cases.
The draft specifies how to convert AS_TRAN in the correct value --
specifically, an attribute which contains AS_TRAN will always be
accompanied by a NEW_AS_PATH attribute (opaque to old speakers)
with the full 32-bit values.
Because none of our code is able to deal with 32-bit AsNum's,
and we will never voluntarily create a 32-bit AsNum,
abort() if we try to construct one such object.
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