Cisco ASR 5500 System Administration Guide

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Releases 12 and 14: 16,000 BGP prefixes can be learned/advertised per context (64,000 per chassis)
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Releases 15 and 16: 32,000 BGP prefixes can be learned/advertised per context (64,000 per chassis)
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Releases 17, 18 and higher: 64,000 BGP prefixes can be learned/advertised per context (64,000
per chassis)
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64 EBGP peers can be configured per context (512 per chassis)
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16 IBGP peers per context
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512 BGP/AAA monitors per context in support of Interchassis Session Recovery (ICSR)
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OSPF
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200 OSPF neighbors per chassis
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10,000 OSPF routes per context (64,000 per chassis)
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MPLS
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16 label distribution protocol (LDP) sessions per context
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8,000 forwarding equivalence class (FEC) entries per context (48, 000 per chassis)
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Up to 8,000 incoming label map (ILM) entries per context (48, 000 per chassis)
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VRF
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Prior to Release 15.0: 250 virtual routing and forwarding (VRF) tables per context (1,024 or 2,048
[release 14.0+] VRFs per chassis)
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Release 15.0 and higher: 300 virtual routing and forwarding (VRF) tables per context (2,048 VRFs
per chassis) [256 VRFs per context with demux functions enabled on the MIO card]
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APN limit is 2,048 per chassis; VRF limits and APN limits should be identical.
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64,000 IP routes
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NEMO (Network Mobility)
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Prior to Release 15.0: 256K prefixes/framed routes per chassis and up to 8 dynamically learned
prefixes per MR (Mobile Router)
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Release 15.0 and higher: 512K prefixes/framed routes per chassis and up to 16 dynamically learned
prefixes per MR (Mobile Router)
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128 AAA servers per context for a default AAA server group. The servers can be configured as
accounting, authentication, charging servers, or any combination thereof.
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You can configure up to 800 AAA server groups per context with following limitations:
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128 servers per AAA server group (accounting, authentication, charging server, or any combination
thereof)
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1,600 servers per context in AAA Server group mode (accounting, authentication, charging server,
or any combination thereof)
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800 NAS-IP address/NAS identifier (one primary and one secondary per server group) per context
ASR 5500 System Administration Guide, StarOS Release 21.5
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Engineering Rules
Context Rules

Cisco ASR 5500 Specifications

General

Brand	Cisco
Model	ASR 5500
Category	Network Router
Language	English