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Cisco Bug: CSCuo41201 - Netstack buffer leaking with IPv6 feature running

Last Modified

Jan 24, 2017

Products (1)

  • Cisco Nexus 7000 Series Switches

Known Affected Releases


Description (partial)

Netstack may run of buffers with certain IPv6 features configured, like OSPFv3, DHCPv6 and HSRPv6.

Following messages are observed when Netstack runs out of buffer:
NETSTACK-3-MBUF_FAILED  netstack [xxxx]  m_copyin() failed in ipv6_data_main() (80 bytes)
NETSTACK-2-MPULLUP  netstack [xxxx]  p_ip_output: m_pullup failed for IP, error Operation not permitted
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  • Full Description (including symptoms, conditions and workarounds)
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