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Cisco Bug: CSCun38166 - "no ip arp gleaning tftp and udp" doesn't work

Last Modified

Nov 27, 2020

Products (2)

  • Cisco 2600 Series Multiservice Platforms
  • Cisco 2600 Series Multiservice Platforms

Known Affected Releases


Description (partial)

On 2960,when we configure "no ip arp gleaning tftp" and "no ip arp gleaning udp" then do 
tftp use command"copy flash:teset tftp:"
It is expected following behavior: not learn a IP address from other segment.
2.add a arp entry corresponding with HSRP virtual mac address 

However in our case,it turns out like below:
1.generate a arp entry of IP address from other segment 
2.add a arp entry corresponding with HSRP PHY mac address.

Conditions: ip arp gleaning tftp
  no ip arp gleaning udp tftp use following command
copy flash:teset tftp:
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