Specifications

3-2

Cisco XR 12000 Series Router SIP and SPA Software Configuration Guide, Release 3.2

Release 3.2, OL-6396-01, Rev.A1 January 9, 2006

Chapter 3 Overview of the Gigabit Ethernet SPAs

Supported Features

This section provides a list of some of the primary features supported with the Gigabit Ethernet.

Gigabit Ethernet SPA Features

The following is a list of some of the significant hardware and software features supported by the Gigabit

Ethernet SPAs on the Cisco XR 12000 Series Routers:

• Auto negotiation

• Full-duplex operation

• 802.1Q VLAN termination

• Jumbo frames support (9188 bytes)

• Support for command-line interface (CLI) controlled OIR

• 802.3x flow control

• Up to 4K VLAN per SPA

• Up to 5K Mac Accounting Entries per SPA (Source Mac Accounting on the ingress and Destination

Mac Accounting on the egress)

• Up to 2K MAC address entries for destination MAC address filtering per SPA, and up to 1K MAC

address filtering entries per port

• Per port byte and packet counters for policy drops, oversubscription drops, CRC error drops, packet

sizes, Unicast, multicast, and broadcast packets

• Per VLAN byte and packet counters for policy drops, oversubscription drops, Unicast, multicast,

and broadcast packets

• Per-port byte counters for good bytes and dropped bytes

• Ethernet over Multi-protocol Label Switching (EoMPLS)

• Quality of service (QoS)

• Hot Standby Router Protocol (HSRP)

• Virtual Router Redundancy Protocol (VRRP)

Supported MIBs

The following MIBs are supported by the Gigabit Ethernet SPAs on the Cisco XR 12000 Series Routers:

• Entity-MIB (RFC 2737)

• Cisco-entity-asset-MIB

• Cisco-entity-field-replaceable unit (FRU)-control-MIB

• Cisco-entity-alarm-MIB

• Cisco-entity-sensor-MIB

• IF-MIB

• Etherlike-MIB (RFC 2665)