◦
32 ipv6ip tunnel interfaces
◦
511 GRE tunnels (2,048 GRE tunnels per chassis)
◦
256 loopback interfaces
•
IP Addresses and IP Address Pools
◦
Up to 2,000 IPv4 address pools can be configured within a single context (regardless of the number
of packet processing cards) with a total system limit of 5,000 IPv4 address pools for all contexts.
◦
Prior to Release 15.0:
Up to 32 IPv6 pools can be configured within a single context.
◦
For Release 15.0 and higher:
Up to 256 IPv6 pools can be configured within a single context.
◦
Each context supports up to 32,000,000 static IP pool addresses. You can configure a maximum
total of 96,000,000 static IP pool addresses per chassis. Each static IP pool can contain up to
500,000 addresses.
◦
Each context supports up to 16,000,000 dynamic IP pool addresses. You can configure a maximum
total of 32,000,000 dynamic IP pool addresses per chassis. Each dynamic IP pool can contain up
to 500,000 addresses.
The actual number of IP Pools supported per context and chassis depends on how many
addresses are being used and how they are subnetted.
Important
Each address in the pool requires approximately 60 bytes of memory. The amount of
memory required, however, depends on a number of factors such as the pool type, and
hold-timer usage. Therefore, in order to conserve available memory, you may need to
limit the number of pools depending on the number of addresses to be configured and
the number of installed application cards.
Important
•
The maximum number of simultaneous subscriber sessions is controlled by the installed capacity license
for the service(s) supported.
•
The maximum number of static address resolution protocol (ARP) entries per context is 128.
•
The maximum number of domains per context is 2,048.
•
ASN-GW services configured within the same context cannot communicate with each other.
•
Routes
◦
Up to 1,200 static routes per context (48,000 per chassis).
◦
6,000 pool routes per context (6,000 per chassis)
◦
Releases prior to 18.5:
5,000 pool explicit host routes per context (6,000 per chassis)
◦
Release 18.5 and higher:
24,000 pool explicit host routes per context (24,000 per chassis)
◦
64 route maps per context
•
BGP
ASR 5000 System Administration Guide, StarOS Release 21.1
368
Engineering Rules
Context Rules
Summary of Contents for ASR 5000
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