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# $Id: hsrp.py 23 2006-11-08 15:45:33Z dugsong $
"""Cisco Hot Standby Router Protocol."""
import dpkt
# Opcodes
HELLO = 0
COUP = 1
RESIGN = 2
# States
INITIAL = 0x00
LEARN = 0x01
LISTEN = 0x02
SPEAK = 0x04
STANDBY = 0x08
ACTIVE = 0x10
class HSRP(dpkt.Packet):
__hdr__ = (
('version', 'B', 0),
('opcode', 'B', 0),
('state', 'B', 0),
('hello', 'B', 0),
('hold', 'B', 0),
('priority', 'B', 0),
('group', 'B', 0),
('rsvd', 'B', 0),
('auth', '8s', 'cisco'),
('vip', '4s', '')
)
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