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Cisco Bug: CSCtb67346 - DAI stops working after SSO

Last Modified

Feb 01, 2017

Products (1)

  • Cisco 7600 Series Routers

Known Affected Releases

12.2(33)SRD1

Description (partial)

Symptom:

After a forced switchover or active RP crash on a C7600 router the Dynamic ARP 
inspection functionality stops working while correct DHCP snooping entries
are present in the DHCP snooping binding table.


Conditions:

Initiate a forced-switchover or active RP crashes on a C7600 router running 12.2(33)SRD2.
The system will print the following message for every ARP request coming from a host
which MAC is in the dhcp snooping binding table:

%SW_DAI-4-DHCP_SNOOPING_DENY: 1 Invalid ARPs (Res) on Vl3151, vlan 3151 
([0013.1937.2481/14.1.65.48/0000.0000.0000/14.1.65.47/07:13:01 UTC Mon Aug 31 2009])
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
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