Cisco ASR 1000 Configuration Manual page 79

Chapter 6 Overview of the ATM SPAs
No limitation on the maximum number of VCs per VPI, up to the maximum number of 4,096 total
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VCs per interface (so there is no need to configure this limit using the atm vc-per-vp command,
which is required on other ATM SPAs)
OAM flow connectivity using OAM ping for segment or end-to-end loopback
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• PVC multicast (Protocol Independent Multicast [PIM] dense and sparse modes)
• PVC ranges (beginning in Cisco IOS XE Release 2.5)
• Supports oversubscription by default
Routing protocols:
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OL-14127-08
Border Gateway Protocol (BGP)
Enhanced Interior Gateway Routing Protocol (EIGRP)
Interior Gateway Routing Protocol (IGRP)
Integrated Intermediate System-to-Intermediate System (IS-IS)
Open Shortest Path First (OSPF)
Routing Information Protocol version 1 and version 2 (RIPv1 and RIPv2)
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide
Supported Features
6-5