Preview Tool

Cisco Bug: CSCvu04336 - ASAv100 KVM ixgbe-vf VPN throughput rates very low

Last Modified

May 04, 2020

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases


Description (partial)

Throughput specific to usage of x520 cards for SRIOV (ixgbe-vf) on KVM is much lower than other drivers.

We see the following for VPN throughput when utilizing x520 ixgbe-vf SRIOV:

DTLS/CBC: 600 Mbps
DTLS/GCM: 1.4 Gbps
IPSEC/CBC: 1.3 Gbps
IPSEC/GCM: 2.0 Gbps

x520 cards used on KVM and setup for ixgbe-vf SRIOV for ASAv interfaces to be used for VPN throughput.
Bug details contain sensitive information and therefore require a 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.