◦
Releases 12 and 14:
16,000 BGP prefixes can be learned/advertised per context (64,000 per chassis)
◦
Releases 15 and 16:
32,000 BGP prefixes can be learned/advertised per context (64,000 per chassis)
◦
Releases 17, 18 and higher:
64,000 BGP prefixes can be learned/advertised per context (64,000
per chassis)
◦
64 EBGP peers can be configured per context (512 per chassis)
◦
16 IBGP peers per context
◦
512 BGP/AAA monitors per context in support of Interchassis Session Recovery (ICSR)
•
OSPF
◦
200 OSPF neighbors per chassis
◦
10,000 OSPF routes per context (64,000 per chassis)
•
MPLS
◦
16 label distribution protocol (LDP) sessions per context
◦
8,000 forwarding equivalence class (FEC) entries per context (48, 000 per chassis)
◦
Up to 8,000 incoming label map (ILM) entries per context (48, 000 per chassis)
•
VRF
◦
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)
◦
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]
◦
APN limit is 2,048 per chassis; VRF limits and APN limits should be identical.
◦
64,000 IP routes
•
NEMO (Network Mobility)
◦
Prior to Release 15.0:
256K prefixes/framed routes per chassis and up to 8 dynamically learned
prefixes per MR (Mobile Router)
◦
Release 15.0 and higher:
512K prefixes/framed routes per chassis and up to 16 dynamically learned
prefixes per MR (Mobile Router)
•
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.
•
You can configure up to 800 AAA server groups per context with following limitations:
◦
128 servers per AAA server group (accounting, authentication, charging server, or any combination
thereof)
◦
1,600 servers per context in AAA Server group mode (accounting, authentication, charging server,
or any combination thereof)
◦
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
309
Engineering Rules
Context Rules