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#!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
#
# Cisco EIGRP Interfaces
#
# Author: Th.L.
# Date : 2017-17-21
#
# Monitor status of Cisco EIGRP interface info
#
# 2018-01-23: Th.L.: inventory skip Loopback interface
# 2018-02-11: Th.L.: removed unnecessary OIDs
# 2018-08-06: modified scan function
# 2019-10-14: added support for hamc-sha-256 authentication, md5 moved to warn, none moved to crit
# 2019-10-16: added support for IPv6 and VRFs, added data parser function
# 2019-10-31: changed item from interface long-name to interface short name
#
# snmpwalk sample
#
# OMD[mysite]:~$ snmpwalk -ObentU -v2c -c router-01 simulant .1.3.6.1.4.1.9.9.449.1.5.1.1
# .1.3.6.1.4.1.9.9.449.1.5.1.1.3.65536.10.1 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.3.65536.10.7 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.3.65536.10.8 = Gauge32: 1
# .1.3.6.1.4.1.9.9.449.1.5.1.1.3.65536.10.9 = Gauge32: 1
# .1.3.6.1.4.1.9.9.449.1.5.1.1.4.65536.10.1 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.4.65536.10.7 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.4.65536.10.8 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.4.65536.10.9 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.5.65536.10.1 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.5.65536.10.7 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.5.65536.10.8 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.5.65536.10.9 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.6.65536.10.1 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.6.65536.10.7 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.6.65536.10.8 = Gauge32: 1
# .1.3.6.1.4.1.9.9.449.1.5.1.1.6.65536.10.9 = Gauge32: 19
# .1.3.6.1.4.1.9.9.449.1.5.1.1.7.65536.10.1 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.7.65536.10.7 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.7.65536.10.8 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.7.65536.10.9 = Gauge32: 23
# .1.3.6.1.4.1.9.9.449.1.5.1.1.8.65536.10.1 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.8.65536.10.7 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.8.65536.10.8 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.8.65536.10.9 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.9.65536.10.1 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.9.65536.10.7 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.9.65536.10.8 = Gauge32: 50
# .1.3.6.1.4.1.9.9.449.1.5.1.1.9.65536.10.9 = Gauge32: 84
# .1.3.6.1.4.1.9.9.449.1.5.1.1.10.65536.10.1 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.10.65536.10.7 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.10.65536.10.8 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.10.65536.10.9 = Gauge32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.11.65536.10.1 = Gauge32: 5
# .1.3.6.1.4.1.9.9.449.1.5.1.1.11.65536.10.7 = Gauge32: 5
# .1.3.6.1.4.1.9.9.449.1.5.1.1.11.65536.10.8 = Gauge32: 1
# .1.3.6.1.4.1.9.9.449.1.5.1.1.11.65536.10.9 = Gauge32: 1
# .1.3.6.1.4.1.9.9.449.1.5.1.1.12.65536.10.1 = Counter64: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.12.65536.10.7 = Counter64: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.12.65536.10.8 = Counter64: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.12.65536.10.9 = Counter64: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.13.65536.10.1 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.13.65536.10.7 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.13.65536.10.8 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.13.65536.10.9 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.14.65536.10.1 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.14.65536.10.7 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.14.65536.10.8 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.14.65536.10.9 = Counter32: 18
# .1.3.6.1.4.1.9.9.449.1.5.1.1.15.65536.10.1 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.15.65536.10.7 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.15.65536.10.8 = Counter32: 64
# .1.3.6.1.4.1.9.9.449.1.5.1.1.15.65536.10.9 = Counter32: 40
# .1.3.6.1.4.1.9.9.449.1.5.1.1.16.65536.10.1 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.16.65536.10.7 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.16.65536.10.8 = Counter32: 66
# .1.3.6.1.4.1.9.9.449.1.5.1.1.16.65536.10.9 = Counter32: 27
# .1.3.6.1.4.1.9.9.449.1.5.1.1.17.65536.10.1 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.17.65536.10.7 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.17.65536.10.8 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.17.65536.10.9 = Counter32: 1
# .1.3.6.1.4.1.9.9.449.1.5.1.1.18.65536.10.1 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.18.65536.10.7 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.18.65536.10.8 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.18.65536.10.9 = Counter32: 2
# .1.3.6.1.4.1.9.9.449.1.5.1.1.19.65536.10.1 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.19.65536.10.7 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.19.65536.10.8 = Counter32: 1
# .1.3.6.1.4.1.9.9.449.1.5.1.1.19.65536.10.9 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.20.65536.10.1 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.20.65536.10.7 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.20.65536.10.8 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.20.65536.10.9 = Counter32: 5
# .1.3.6.1.4.1.9.9.449.1.5.1.1.21.65536.10.1 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.21.65536.10.7 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.21.65536.10.8 = Counter32: 0
# .1.3.6.1.4.1.9.9.449.1.5.1.1.21.65536.10.9 = Counter32: 3
# .1.3.6.1.4.1.9.9.449.1.5.1.1.22.65536.10.1 = INTEGER: 1
# .1.3.6.1.4.1.9.9.449.1.5.1.1.22.65536.10.7 = INTEGER: 1
# .1.3.6.1.4.1.9.9.449.1.5.1.1.22.65536.10.8 = INTEGER: 2
# .1.3.6.1.4.1.9.9.449.1.5.1.1.22.65536.10.9 = INTEGER: 2
# .1.3.6.1.4.1.9.9.449.1.5.1.1.23.65536.10.1 = ""
# .1.3.6.1.4.1.9.9.449.1.5.1.1.23.65536.10.7 = ""
# .1.3.6.1.4.1.9.9.449.1.5.1.1.23.65536.10.8 = STRING: "KEY-EIGRP-10"
# .1.3.6.1.4.1.9.9.449.1.5.1.1.23.65536.10.9 = STRING: "KEY-EIGRP-10"
# #
# sample info
# [
# [
# [u'65536.10.1', u'0', u'0', u'0', u'0', u'0', u'0', u'0', u'0', u'5', u'0', u'0', u'0', u'0', u'0', u'0', u'0', u'0', u'0', u'0', u'1', u''],
# [u'65536.10.7', u'0', u'0', u'0', u'0', u'0', u'0', u'0', u'0', u'5', u'0', u'0', u'0', u'0', u'0', u'0', u'0', u'0', u'0', u'0', u'1', u''],
# [u'65536.10.8', u'1', u'0', u'0', u'1', u'0', u'0', u'50', u'0', u'1', u'0', u'0', u'0', u'64', u'66', u'0', u'0', u'1', u'0', u'0', u'2', u'KEY-EIGRP-10'],
# [u'65536.10.9', u'1', u'0', u'0', u'19', u'23', u'0', u'84', u'0', u'1', u'0', u'0', u'18', u'40', u'27', u'1', u'2', u'0', u'5', u'3', u'2', u'KEY-EIGRP-10']
# ],
# [
# [u'1', u'GigabitEthernet0/0/0'],
# [u'2', u'GigabitEthernet0/0/1'],
# [u'3', u'GigabitEthernet0/0/2'],
# [u'4', u'GigabitEthernet0/0/3'],
# [u'5', u'GigabitEthernet0'],
# [u'6', u'Null0'],
# [u'7', u'Loopback0'],
# [u'8', u'Tunnel10'],
# [u'9', u'Tunnel101']
# ]
# ]
#
factory_settings['cisco_eigrp_interface_defaults'] = {
'ignore_interfaces_auth': [24, ], # Loopback
'no_auth_state': 2,
'md5_auth_state': 1,
}
###########################################################################
#
# DATA Parser function
#
###########################################################################
def parse_cisco_eigrp_interface(info):
InetAddressType = {
0: 'unknown',
1: 'ipv4',
2: 'ipv6',
3: 'ipv4z',
4: 'ipv6z',
16: 'dns',
}
def eigrp_authmode(mode):
name = {
0: 'unknown',
1: 'none',
2: 'md5',
3: 'hmac-sha-256'
}
return name.get(mode, 'unknown')
def get_short_if_name(st):
names = {'ethernet': 'Eth',
'fastethernet': 'Fa',
'gigabitethernet': 'Gi',
'tengigabitethernet': 'Te',
'fortygigabitethernet': 'Fo',
'hundredgigabitethernet': 'Hu',
'port-channel': 'Po',
'tunnel': 'Tu',
'loopback': 'Lo',
}
for item in names.keys():
if st.lower().startswith(item):
st = st.lower().replace(item, names.get(item))
return st
EigrpInterfaces, InterfaceNames, VrfInfo = info
EigrpIfTable = []
for OID_END, cEigrpPeerCount, cEigrpXmitReliableQ, cEigrpXmitUnreliableQ, cEigrpMeanSrtt, cEigrpPendingRoutes, \
cEigrpHelloInterval, cEigrpUMcasts, cEigrpRMcasts, cEigrpUUcasts, cEigrpRUcasts, cEigrpMcastExcepts, \
cEigrpCRpkts, cEigrpAcksSuppressed, cEigrpRetransSent, cEigrpOOSrvcd, cEigrpAuthMode, cEigrpAuthKeyChain in EigrpInterfaces:
cEigrpVrfId = int(OID_END.split('.')[0])
cEigrpAS = OID_END.split('.')[1]
cEigrpIfIndex = int(OID_END.split('.')[2])
cEigrpIfName = ''
for ifindex, ifname, iftype in InterfaceNames:
if int(ifindex) == cEigrpIfIndex: # compare interface index
if not int(iftype) == 24: # skip Loopback interfaces
cEigrpIfName = get_short_if_name(ifname)
if cEigrpIfName != '':
cEigrpVrfName = ''
for VrfId, VrfName in VrfInfo:
if int(VrfId) == cEigrpVrfId:
cEigrpVrfName = VrfName
if cEigrpVrfId < 100000:
cEigrpAddrFammily = 'IPv4'
else:
cEigrpAddrFammily = 'IPv6'
ServiceText = ''
if cEigrpVrfName == 'default' and cEigrpAddrFammily == 'IPv4':
ServiceText = '%s on AS %s' % (cEigrpIfName, cEigrpAS)
elif cEigrpVrfName == 'default' and cEigrpAddrFammily == 'IPv6':
ServiceText = '%s on AS %s IPv6' % (cEigrpIfName, cEigrpAS)
elif cEigrpVrfName != 'default' and cEigrpAddrFammily == 'IPv4':
ServiceText = '%s on AS %s VRF %s' % (cEigrpIfName, cEigrpAS, cEigrpVrfName)
elif cEigrpVrfName != 'default' and cEigrpAddrFammily == 'IPv6':
ServiceText = '%s on AS %s IPv6 VRF %s' % (cEigrpIfName, cEigrpAS, cEigrpVrfName)
EigrpIfTable.append({'cEigrpVrfId': cEigrpVrfId,
'cEigrpAS': cEigrpAS,
'cEigrpVrfName': cEigrpVrfName,
'cEigrpIfName': cEigrpIfName,
'cEigrpPeerCount': cEigrpPeerCount,
'cEigrpXmitReliableQ': cEigrpXmitReliableQ,
'cEigrpXmitUnreliableQ': cEigrpXmitUnreliableQ,
'cEigrpMeanSrtt': cEigrpMeanSrtt,
'cEigrpPendingRoutes': cEigrpPendingRoutes,
'cEigrpHelloInterval': cEigrpHelloInterval,
'cEigrpUMcasts': cEigrpUMcasts,
'cEigrpUUcasts': cEigrpUUcasts,
'cEigrpRUcasts': cEigrpRUcasts,
'cEigrpMcastExcepts': cEigrpMcastExcepts,
'cEigrpCRpkts': cEigrpCRpkts,
'cEigrpAcksSuppressed': int(cEigrpAcksSuppressed),
'cEigrpRetransSent': int(cEigrpRetransSent),
'cEigrpOOSrvcd': int(cEigrpOOSrvcd),
'cEigrpAuthMode': eigrp_authmode(int(cEigrpAuthMode)),
'cEigrpAuthKeyChain': cEigrpAuthKeyChain,
'ServiceText': ServiceText,
})
return EigrpIfTable
###########################################################################
#
# INVENTORY function
#
###########################################################################
def inventory_cisco_eigrp_interface(parsed):
for EigrpIf in parsed:
yield EigrpIf.get('ServiceText'), {}
###########################################################################
#
# CHECK function
#
###########################################################################
def check_cisco_eigrp_interface(item, params, parsed):
for EigrpIf in parsed:
if EigrpIf.get('ServiceText') == item:
longoutput = ''
interface_type = 0
cEigrpPeerCount = EigrpIf.get('cEigrpPeerCount')
cEigrpXmitReliableQ = EigrpIf.get('cEigrpXmitReliableQ')
cEigrpXmitUnreliableQ = EigrpIf.get('cEigrpXmitUnreliableQ')
cEigrpMeanSrtt = EigrpIf.get('cEigrpMeanSrtt')
cEigrpPendingRoutes = EigrpIf.get('cEigrpPendingRoutes')
cEigrpHelloInterval = EigrpIf.get('cEigrpHelloInterval')
cEigrpUMcasts = EigrpIf.get('cEigrpUMcasts')
cEigrpRMcasts = EigrpIf.get('cEigrpRMcasts')
cEigrpUUcasts = EigrpIf.get('cEigrpUUcasts')
cEigrpRUcasts = EigrpIf.get('cEigrpRUcasts')
cEigrpMcastExcepts = EigrpIf.get('cEigrpMcastExcepts')
cEigrpCRpkts = EigrpIf.get('cEigrpCRpkts')
cEigrpAcksSuppressed = EigrpIf.get('cEigrpAcksSuppressed')
cEigrpRetransSent = EigrpIf.get('cEigrpRetransSent')
cEigrpOOSrvcd = EigrpIf.get('cEigrpOOSrvcd')
cEigrpAuthMode = EigrpIf.get('cEigrpAuthMode')
cEigrpAuthKeyChain = EigrpIf.get('cEigrpAuthKeyChain')
cEigrpAS = EigrpIf.get('cEigrpAS')
cEigrpIfName = EigrpIf.get('cEigrpIfName')
state = 0
infotext = 'Peer count: %s, Hello interval: %s, Auth Mode: %s' % (cEigrpPeerCount, cEigrpHelloInterval, cEigrpAuthMode)
md5_auth_state = params.get('md5_auth_state')
no_auth_state = params.get('no_auth_state')
if interface_type not in params.get('ignore_interfaces_auth'):
if cEigrpAuthMode in ['md5'] and md5_auth_state != 0:
longoutput += '\n you can change the authentication mode to hmac-sha-256 by removing the eigrp authentication'\
'\n configuration from the interface and move it to the "router eigrp configuration"'\
'\n you need to change to "named mode configuration"'\
'\n router eigrp YOUR-EIGRP-NAME'\
'\n address-family ipv4 unicast autonomous-system %s'\
'\n af-interface %s'\
'\n authentication mode hmac-sha-256 YOUR-EIGRPKEY'\
'\n exit-af-interface'\
'\n eigrp YOUR-ROUTER-ID'\
'\n network ....'\
'\n end' % (cEigrpAS, cEigrpIfName)
yield md5_auth_state, 'weak authentication set'
elif cEigrpAuthMode == 'none' and no_auth_state != 0:
yield no_auth_state, 'no authentication set'
if cEigrpAuthKeyChain != '':
infotext += ', Key chain: %s' % cEigrpAuthKeyChain
perfdata = [
('cEigrpPeerCount', cEigrpPeerCount),
('cEigrpXmitReliableQ', cEigrpXmitReliableQ),
('cEigrpXmitUnreliableQ', cEigrpXmitUnreliableQ),
('cEigrpMeanSrtt', cEigrpMeanSrtt),
('cEigrpPendingRoutes', cEigrpPendingRoutes),
('cEigrpRMcasts', cEigrpRMcasts),
('cEigrpUMcasts', cEigrpUMcasts),
('cEigrpUUcasts', cEigrpUUcasts),
('cEigrpRUcasts', cEigrpRUcasts),
('cEigrpMcastExcepts', cEigrpMcastExcepts),
('cEigrpCRpkts', cEigrpCRpkts),
('cEigrpAcksSuppressed', cEigrpAcksSuppressed),
('cEigrpRetransSent', cEigrpRetransSent),
('cEigrpOOSrvcd', cEigrpOOSrvcd),
]
yield state, infotext + longoutput, perfdata
###########################################################################
#
# CHECK info
#
###########################################################################
check_info['cisco_eigrp_interface'] = {
'check_function' : check_cisco_eigrp_interface,
'inventory_function' : inventory_cisco_eigrp_interface,
'service_description' : 'EIGRP interface %s',
'has_perfdata' : True,
'snmp_scan_function' : lambda oid: oid('.1.3.6.1.2.1.1.1.0').lower().find('cisco') != -1 and
oid('.1.3.6.1.4.1.9.9.449.1.5.1.1.3.*'), # CISCO-EIGRP-MIB::cEigrpPeerCount
'group' : 'cisco_eigrp_interface',
'default_levels_variable': 'cisco_eigrp_interface_defaults',
'parse_function' : parse_cisco_eigrp_interface,
'snmp_info' : [('.1.3.6.1.4.1.9.9.449.1.5.1.1', [OID_END, # AS number and interface index [0] (u'65536.10.1')
'3', # cEigrpPeerCount [1]
'4', # cEigrpXmitReliableQ [2]
'5', # cEigrpXmitUnreliableQ [3]
'6', # cEigrpMeanSrtt [4]
'10', # cEigrpPendingRoutes [5]
'11', # cEigrpHelloInterval [6]
'13', # cEigrpUMcasts [7]
'14', # cEigrpRMcasts [8]
'15', # cEigrpUUcasts [9]
'16', # cEigrpRUcasts [10]
'17', # cEigrpMcastExcepts [11]
'18', # cEigrpCRpkts [12]
'19', # cEigrpAcksSuppressed [13]
'20', # cEigrpRetransSent [14]
'21', # cEigrpOOSrvcd [15]
'22', # cEigrpAuthMode [16]
'23', # cEigrpAuthKeyChain [17]
# '7', # cEigrpPacingReliable []
# '8', # cEigrpPacingUnreliable []
# '9', # cEigrpMFlowTimer []
# '12', # cEigrpXmitNextSerial []
]),
('.1.3.6.1.2.1.2.2.1', ['1', # ifIndex
'2', # ifDescr
'3', # ifType
]),
('.1.3.6.1.4.1.9.9.449.1.1.1.1', [OID_END, # VRF ID
'2', # cEigrpVpnName [0]
]),
]
}
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