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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

9.14(1.6)

Description (partial)

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

Symptom:
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

Conditions:
x520 cards used on KVM and setup for ixgbe-vf SRIOV for ASAv interfaces to be used for VPN throughput.
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