Cisco ASR 1000

9-2
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide
OL-14127-08
Chapter 9 Overview of the Ethernet SPAs
Release History
Release History
Supported Features
The following is a list of some of the significant hardware and software features supported by Gigabit
Ethernet SPAs on the Cisco ASR 1000 Series Routers:
• Autonegotiation
• Auto-MDI/MDIX detection (Fast Ethernet and 2-Port Gigabit Ethernet SPAs only)
• Full-duplex operation
• 802.1Q VLAN termination
• Jumbo frames support (9216 bytes)
• Support for command-line interface (CLI)-controlled OIR
• 802.3x flow control
• The following maximum number of VLANs per SPA:
– Up to 8100 VLANs per SPA—For all Ethernet SPAs supported on the Cisco ASR 1000 Series
Routers in software releases prior to Cisco IOS XE Release 2.5.
– Up to 4094 VLANs per port per SPA—For all Ethernet SPAs supported on the Cisco ASR 1000
Series Routers beginning in Cisco IOS XE Release 2.5 using the hw-module subslot ethernet
vlan unlimited command.
• Up to 5000 MAC Accounting Entries per SPA (Source MAC Accounting on the ingress and
Destination MAC Accounting on the egress)
Release Modification
Cisco IOS XE Release
3.2
Added support for the 2-Port Gigabit Synchronous Ethernet SPA on the
Cisco ASR 1000 Series Aggregation Services Routers.
Cisco IOS XE Release
2.5
The maximum number of supported 802.1Q VLANs per Ethernet SPA was
increased with the hw-module subslot ethernet vlan unlimited global
configuration command.
Cisco IOS XE Release
2.1
First release. Support for the following SPAs was introduced on the Cisco
ASR1000-SIP10 on the Cisco ASR 1000 Series Routers:
Fast Ethernet SPAs
• 4-Port FastEthernet SPA
• 8-Port Fast Ethernet SPA
Gigabit Ethernet SPAs
• 10-Port Gigabit Ethernet SPA, Version 2
• 8-Port Gigabit Ethernet SPA, Version 2
• 5-Port Gigabit Ethernet SPA, Version 2
• 2-Port Gigabit Ethernet SPA, Version 2
• 1-Port 10-Gigabit Ethernet SPA, Version 2