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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter
• TCAM in Cisco ASR 901 Router—Effective with Cisco IOS
Release 15.3(2)S, the Ternary Content Addressable Memory
(TCAM) is allocated and deallocated dynamically, which
improves both feature scalability and the efficiency of usage
of TCAM.
• Traffic Engineering - Fast Reroute for EoMPLS—The
Traffic Engineering - Fast Reroute for EoMPLS feature is
introduced.
• Y.1731 Performance Monitoring—Provides standards-based
Ethernet performance monitoring as outlined in the ITU-T
Y-1731 specification and interpreted by the Metro Ethernet
Forum (MEF).
• Combo Port Media Type Select—Starting with Cisco IOS
Release 15.3(2)S, the Cisco ASR 901 router supports
selection of combo ports as the media type. A combo port is
considered as a single interface with dual front ends (an
RJ-45 connector and an SFP module connector).
• Configurable MTU on Physical Interface—Starting with
Cisco IOS Release 15.3(2)S, the Cisco ASR 901 router
supports modification of MTU size on physical interface.
• Disabling MAC Address Learning on an Interface or Bridge
Domain—Starting with Cisco IOS Release 15.3(2)S, you
can control MAC address learning on an interface or VLAN
to manage the available MAC address table space by
controlling which interfaces or VLANs can learn MAC
addresses.
• Layer 3 Ping in Customer EVC—Starting with Cisco IOS
Release 15.3(2)S, pop 2 configuration is supported on layer
2 and layer 3 operations. Additionally, it is supported on
GigabitEthernet and port channel interfaces.
• Sub-second Link OAM Timers—Starting with Cisco IOS
Release 15.3(2)S, the Cisco ASR 901 router supports
sub-second OAM timers.
Document
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