71 lines
2.8 KiB
Ruby
71 lines
2.8 KiB
Ruby
# $Id: hsrp.rb 14 2008-03-02 05:42:30Z warchild $
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#
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# Copyright (c) 2008, Jon Hart
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the <organization> nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY Jon Hart ``AS IS'' AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL Jon Hart BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Hot Standby Router Protocol: HSRP
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#
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# RFC2281 (http://www.faqs.org/rfcs/rfc2281.html)
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module Racket
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class HSRP < RacketPart
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HSRP_HELLO = 0
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HSRP_COUP = 1
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HSRP_RESIGN = 2
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HSRP_INITIAL = 0
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HSRP_LEARN = 1
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HSRP_LISTEN = 2
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HSRP_SPEAK = 4
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HSRP_STANDBY = 8
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HSRP_ACTIVE = 16
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# Version of the HSRP message contained in this packet. Defaults to 0
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unsigned :version, 8
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# Type of the HSRP message contained in this packet.
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unsigned :opcode, 8
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# Current state of the router sending the message
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unsigned :state, 8
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# Time between the hello messages that this router sends. Obviously only
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# useful in hello messages
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unsigned :hellotime, 8
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# Length of time that this hello message should be considered valid.
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# Obviously only useful in hello messages.
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unsigned :holdtime, 8, { :default => 10 }
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# Priority used to determine active and standby routers. Higher priorities
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# win, but a higher IP address wins in the event of a tie.
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unsigned :priority, 8
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# Standby group
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unsigned :group, 8
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unsigned :reserved, 8
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# Clear-text, 8-character reused password. Defaults to 'cisco'
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text :password, 64, { :default => 'cisco' }
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# Virtual IP address used by this group
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octets :vip, 32
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# Payload. Generally unused.
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rest :payload
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end
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end
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# vim: set ts=2 et sw=2:
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