Release Notes for the Cisco ASR 900 Series Routers
New Features in Cisco IOS XE 3.8S
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Table of Contents

New Features in CiscoIOSXE3.8S Releases

New HardwareFeatures in CiscoIOSXERelease 3.8(2)S

New Hardware Features in CiscoIOSXERelease 3.8(1)S

New Hardware Features in CiscoIOSXERelease 3.8(0)S

New SoftwareFeatures in CiscoIOSXERelease 3.8(2)S

New Software Features in CiscoIOSXERelease 3.8(1)S

New Software Features in CiscoIOSXERelease 3.8(0)S

New HardwareFeatures in Cisco IOS XE Release 3.8(2)S

The IOS XE 3.8(2)S Release for the Cisco ASR 903 Router does not introduce any new hardware features.

New Hardware Features in Cisco IOS XE Release 3.8(1)S

The IOS XE 3.8(1)S Release for the Cisco ASR 903 Router does not introduce any new hardware features.

New Hardware Features in Cisco IOS XE Release 3.8(0)S

The IOS XE 3.8(0)S Release for the Cisco ASR 903 Router introduces the following hardware features:

Release 3.8(0)S introduces support for the following SFPs:

GLC-FE-100BX-U

GLC-FE-100BX-D

GLC-FE-100LX

GLC-FE-100FX

ONS-XC-10G-EP30.33

XFP10GER-192IR-L

XFP10GLR-192SR-L

XFP-10GZR-OC192LR

For more information about how to configure these SFPs, see: http://www.cisco.com/en/US/partner/docs/interfaces_modules/transceiver_modules/installation/note/OL_24246.html

http://www.cisco.com/en/US/partner/products/hw/modules/ps5455/tsd_products_support_series_home.html

New SoftwareFeatures in Cisco IOS XE Release 3.8(2)S

The IOS XE 3.8(2)S Release for the Cisco ASR 903 Router does not introduce any new software features.

New Software Features in Cisco IOS XE Release 3.8(1)S

Release 3.8(1) introduces support for the following software features:

New Software Features in Cisco IOS XE Release 3.8(0)S

Release 3.8(0) introduces support for the following software features:

queue-limit percent command— Allows you to specify the queue limit (size) for a class in as a percentage value.

Higher Queue Limit Size— Release 3.8 extends the maximum byte value queue-limit-size argument used with the queue-limit command. The previous maximum value was 491520 bytes; the new value is 2 MB.

Release 3.8 enhances the show policy-map interface command to display the default queue-limit.

For more information about the Release 3.8 QoS features, see the QoS chapter of the Cisco ASR 903 Chassis Configuration Guide, Release 3.8.

  • SONET Mode—This release introduces support for SONET mode on the OC-3 interface module. For more information on how to configure PoS interfaces, see the Cisco ASR 903 Chassis Configuration Guide, Release 3.8 .
  • Synthetic Frame Loss Measurement—This release introduces support for Synthetic Frame Loss Measurement for Ethernet OAM. For more information about this feature, see http://www.cisco.com/en/US/docs/ios-xml/ios/ipsla/configuration/xe-3s/asr903/sla_mether3_y1731.html
  • TCP path MTU Support—This release introduces support for BGP TCP Path MTU Discovery. For more information about this feature, see http://www.cisco.com/en/US/docs/ios/iproute_bgp/configuration/guide/irg_neighbor.html
  • Telecom Profile Support—Release 3.8 introduces support for telecom profiles, which allow you to configure a network clock to use the G.8265.1 recommendations for establishing PTP sessions, determining the best master clock, handling SSM, and mapping PTP classes. For information about how to configure telecom profiles, see the Cisco ASR 903 Chassis Configuration Guide, Release 3.8.
  • Trunk EFPs on Port-Channel Interfaces—This release adds support for trunk EFPs on port-channel interfaces, as shown in the following configuration:
!
interface port-channel 4
service instance 1 ethernet
encapsulation untagged
l2protocol peer lacp
bridge-domain 1
!
service instance trunk 10 ethernet
encapsulation dot1q <>
rewrite ingress tag pop 1 symmetric
bridge-domain from-encapsulation
!
 

For more information about configuring EFP interfaces, see the Configuring Ethernet Virtual Connections on the Cisco ASR 903 Router .