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Cisco Bug: CSCte72365 - IP multicast/broadcast leaking between SVI after IOS upgrade

Last Modified

Mar 06, 2018

Products (1)

  • Cisco Catalyst 3750 Series Switches

Known Affected Releases

12.2(53)SE

Description (partial)

Symptom:
Following an upgrade to 12.2(53)SE from 12.2(52)SE on a C3750E-48TD ,  EIGRP hello packets are being flooded on access ports belonging to other subnet. The same is seen when pings are initiated to the broadcast address of other subnets

This generates 'not on common subnet' errors on the other side of the link .

Conditions:
C3750E or C3750G must be running 12.2(53)SE
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