Restrictions - Cisco ASR 1000 Series Software Configuration Manual
Aggregation services routers sip and spa, cisco ios xe everest 16.5
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Also See for ASR 1000 Series:
- Configuration manual (442 pages) ,
- Replacing (120 pages) ,
- Common criteria operational user guidance and preparative procedures (72 pages)
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Restrictions
Restrictions
• The ATM SPAs in the Cisco ASR 1000 Series Routers do not support APS reflector and reflector channel
• The ATM SPAs in the Cisco ASR 1000 Series Aggregation Services Routers do not support a data path
• Link Fragmentation and Interleaving (LFI) processing is not supported.
• Integrated Local Management Interface (ILMI) is not supported.
• Multipoint subinterfaces are not supported in releases prior to Cisco IOS XE Release 2.5.
• Routed Bridge Encapsulation Subinterface Grouping is not supported.
• For best performance, we recommend the following maximums:
Releases Prior to Cisco IOS XE Release 2.5
In releases before Cisco IOS XE Release 2.5, an absolute maximum of 1,000 (1K) configured VCs per ATM
SPA (1,000 [1K] per interface) with the following recommended limitations:
•
Cisco IOS XE Release 2.5 and Later
Beginning in Cisco IOS XE Release 2.5, the following recommended limits are supported:
•
These limits are flexible and depend on all factors that affect performance in the router, such as processor
Note
card, type of traffic, and so on.
• A maximum number of 4,000 PVCs configured with Modular QoS CLI (MQC) policy maps.
• In the default configuration of the transmit path trace buffer, the ATM SPA does not support automatic
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
52
modes. (These modes require a facing path terminating element [PTE], which is typically a Cisco ATM
switch.)
on the main interface. Data is only supported in subinterface configuration.
◦
A recommended maximum number of 1,000 PVCs on all point-to-point subinterfaces for all ATM
SPAs in a SIP.
◦ A recommended maximum number of 1,024 PVCs using service policies for all ATM SPAs in a
SIP.
◦
4,000 VCs per interface
◦ 12,000 VCs per SPA
◦ 32,000 VCs per system (Cisco ASR 1000 Series Router)
updates of remote host name and IP address (as displayed by the show controllers atm command). This
information is updated only when the interface is shut down and reactivated (using the shutdown and
no shutdown commands). Information for the received path trace buffer, however, is automatically
updated.
Overview of the ATM SPAs
OL-14127-17
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