Guest

Preview Tool

Cisco Bug: CSCur20444 - I/O memory leak due to DHCPv6 packets.

Last Modified

Sep 24, 2018

Products (1)

  • Cisco Catalyst 4500 Series Switches

Known Affected Releases

15.2(2)E

Description (partial)

Symptom:
I/O memory leak observed with small or middle buffer pools showing very few buffers in the free list.

Conditions:
The issue is seen when DHCPv6 packets are received on the switch, and the port is configured with 'ipv6 dhcp guard'.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.