Cisco Cisco Packet Data Interworking Function (PDIF)
VPC-SI Changes in Release 17
▀ VPC-SI Feature Changes for 17.0
▄ Release Change Reference, StarOS Release 17
654
VPC-SI Feature Changes for 17.0
This section identifies all of the VPC-SI enhancements included in this release:
Feature Changes – new or modified features or behavior changes. For details, refer to the VPC-SI System
Administration Guide for this release.
Administration Guide for this release.
Command Changes – changes to any of the CLI command syntax. For details, refer to the Command Line Interface
Reference for this release.
Reference for this release.
Performance Indicator Changes – new, modified, and deprecated bulk statistics, disconnect reasons, counters and/or
fields in new or modified schema and/or show command output. For details, refer to the Statistics and Counters
Reference for this release.
fields in new or modified schema and/or show command output. For details, refer to the Statistics and Counters
Reference for this release.
Important:
For more information regarding features in this section, refer to the VPC-SI System Administration
Guide for this release.
CSCui20002 - SSI knpusim
Feature Changes
knpusim Packet Handler
Previous Behavior: All packets on the VPC-SI virtual platform flowed through the npusim task which simulates
hardware-based NPU functionality.
hardware-based NPU functionality.
New Behavior: To improve packet handling performance, the npusim code has been moved into the StarOS-kernel.
The knpusim task is used for all ingress and egress packets except for IPSec and IP fragments which will still be routed
to the slower npusim path.
The knpusim task is used for all ingress and egress packets except for IPSec and IP fragments which will still be routed
to the slower npusim path.
Customer Impact: Improved performance
CSCui20092 - SSI support for virtio/vmxnet3 vNIC types
Feature Changes
Support for virtio and vmxnet3 vNICs
In this release the supported vNIC options include:
VMware – para-virtualized vmxnet3
KVM – para-virtualized virtio
Multiqueue virtio-net is supported.