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CISCO SWITCHES FOR SMALL and MEDIUM BUSINESS

Introducing the next generation of Cisco Small and Medium Business Switches. Cisco is refreshing its SMB Switch portfolio. Click here  to learn more.


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momeara
Beginner

Problem retrieving the ARP table from SF300 switches using SNMP

I'm setting up an SNMP poller to retrieve the ARP table (ipNetToMediaPhysAddress) from my SF300 switches.  I can retrieve the table from SF300-24P and SF300-48P switches running Firmware Version 1.0.0.27, but get garbage for the MAC address when retrieving that same table on the same model switches running Firmware Version 1.1.1.8. Is there an outstanding defect on this code level?  How can I retrieve the table showing the IP address to MAC address mappings?

Thanks in advance.

1 REPLY 1
Tom Watts
Advocate

Hello momeara, I haven't tested the 1.1.1.8 firmware for this get request. However, I have thoroughly tested the 1.1.2.0 firmware for this specific query and it successfully works.

The best thing I could recommend is to at the minimum use the 1.1.2.0 firmware. The 1.1.1.8 firmware has a known bug with a tcam overflow.  This may contribute to the lame behavior.

I can affirm the SNMP V1 and SNMP V2c walk for this OID will work correctly on the 1.1.2.0.

-Tom Please mark answered for helpful posts http://blogs.cisco.com/smallbusiness/