Getting arp from ASA appliances via snmp

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Nov 29th, 2009
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Anyone know how to retrieve the arp table of the ASA appliance via SNMP?  For example, the command "show arp" provides the MAC/IP address of devices directly connected to the ASA.  How can I retrieve this information via SNMP?  I know how to do that on Cisco routers, switches and other devices such as Checkpoint & Juniper firewalls like this:


[[email protected]-NGx]# /usr/bin/snmpwalk -v 2c -c cciesec 127.0.0.1 .1.3.6.1.2.1.4.22.1.2 | grep 98
IP-MIB::ipNetToMediaPhysAddress.5.98.174.21.129 = STRING: 0:0:c:7:ac:a
IP-MIB::ipNetToMediaPhysAddress.5.98.174.21.130 = STRING: 0:5:0:7b:80:0
[[email protected]-NGx]#


How can I get this information on the ASA via SNMP?


Thanks in advance.

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JORGE RODRIGUEZ Mon, 11/30/2009 - 09:59
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Hi David,  I was briefly looking into this last night but I was not able to find OIDs  for the type of MIB u want,   in fact I wander if  there is any,  you can double look at MIB database located at  http://www.cisco.com/public/sw-center/netmgmt/cmtk/mibs.shtml   under Cisco Security & VPN products , there is one  RFC1213-MIB   but frankly perhaps not quite what you need.


Regards

cisco24x7 Mon, 11/30/2009 - 10:18
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Hi Jorge,


Thank you very much for looking into this.  Really appreciate it.


I actually did check the MIB database but I came up empty.  I am beginning to doubt if the ASA has a MIB for this.

JORGE RODRIGUEZ Mon, 11/30/2009 - 10:23
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You're welcome, hopefully  someone in Cisco TAC  Netpro can confirm.


Regards

Jorge

Panos Kampanakis Mon, 11/30/2009 - 15:07
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Unfortunately the ASA doen't support getting the arp table from is using snmp polls.

There are no OID implemented for it.


PK

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