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Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router

OL-26630-12

Chapter

New Software Features in Cisco IOS XE Release 3.6S

• Support for Weighted Random Early Detection—This feature introduces support for Weighted

Random Early Detection (WRED) for congestion avoidance on egress interfaces. For details about

this feature, see:

–

http://www.cisco.com/en/US/docs/ios-xml/ios/qos_conavd/configuration/xe-3s/qos-conavd-diffs

erv-wred.html

–

http://www.cisco.com/en/US/docs/ios/qos/configuration/guide/config_wred.html

–

http://www.cisco.com/en/US/products/hw/routers/ps133/products_configuration_guide_book09

186a00805b9497.html

–

http://www.cisco.com/en/US/docs/wireless/asr_900/software/guide/chassis/Release3.6.0S/ASR

903-Chassis-SW-36.html

• Y.1731 Performance Monitoring—Y.1731-PM provides a standards-based Ethernet performance

monitoring function, which encompasses measurement of Ethernet frame delay, frame delay

variation, frame loss, and frame throughput as outlined in the ITU-T Y-1731 specification and

interpreted by the Metro Ethernet Forum (MEF) standards group. For details about this feature, see:

–

http://www.cisco.com/en/US/docs/ios-xml/ios/cether/configuration/xe-3s/ce-y1731-perfmon.ht

–

http://www.cisco.com/en/US/docs/ios/cether/configuration/guide/ce_y1731-perfmon.html

Cisco ASR 900 Series - Page 21