[Netdisco] Cisco FWSM & arp table?

[Jukka P. <J.P...@ai...>]

I’ve recently upgraded our Cisco FWSM to 4.1(2) and noticed that they now support access to the arp table via snmp.

Eg. snmpwalk -Os -c public -v 1 <FWSM> ipNetToPhysicalTable
ipNetToPhysicalPhysAddress.259.ipv4."127.0.0.51" = STRING: 0:0:15:0:0:0
etc

What would be involved in getting arpnip to support this?

I am running the latest versions:-
Netdisco Version   : 1.0
SNMP::Info Version : 2.01
Net-SNMP Version   : 5.04021
Perl Version       : 5.8.9

It does get detected as the right device:-
SNMP::Info::device_type() layers:00000100 id:9 sysDescr:"Cisco Firewall Services Module Version 4.1(2)"
Device Type : SNMP::Info::Layer3::Cisco

But it appears to only look at the following values:-
SNMP::Info::_load_attr at_paddr : ipNetToMediaPhysAddress
SNMP::Info::_load_attr old_at_paddr : atPhysAddress
SNMP::Info::_load_attr at_netaddr : ipNetToMediaNetAddress
SNMP::Info::_load_attr old_at_netaddr : atNetAddress

What’s in involved in adding ipNetToPhysicalPhysAddress ?

As a reference in the OID tree it is
.  iso (1)  .  org (3)  .  dod (6)  .  internet (1)  .  mgmt (2)  .  mib-2 (1)  .  ip (4)
   |
    - -- ipNetToPhysicalTable (35)
      |
       - -- ipNetToPhysicalEntry (1)
         |
         | --   ipNetToPhysicalIfIndex (1)
         |
         | --   ipNetToPhysicalNetAddressType (2)
         |
         | --   ipNetToPhysicalNetAddress (3)
         |
         | --   ipNetToPhysicalPhysAddress (4)
         |
         | --   ipNetToPhysicalLastUpdated (5)
         |
         | --   ipNetToPhysicalType (6)
         |
         | --   ipNetToPhysicalState (7)
         |
         | --   ipNetToPhysicalRowStatus (8)

Happy to assist in any way to progress this.

Regards,

Jukka



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