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Prerequisites for the 4-Port ATM ISE Line Card
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Prerequisites for the 4-Port ATM ISE Line Card
There are no prerequisites for using the 4-port ATM ISE line card.
Restrictions for the 4-Port ATM ISE Line Card
Restrictions and limitations for the 4-Port ATM ISE line cards are listed in
Table 1
Feature
Maximum number of cell packing or policing VCs
Maximum number of active VCs
Layer 2
Layer 3
Range of VPI
Range of VCI
1. VC=virtual circuit.
2. Hardware limitation.
3. Subject to overall system limitation and configuration.
4. If cell packing or policing are configured, the remaining 516 available VCs can be configured for cell relay over MPLS or
5. VPI=virtual path identifier.
6. VCI=virtual channel identifier.
Table 2
Feature
Maximum number of AToM Tunnels per port
Maximum number of AToM Tunnels per line card
Maximum number of AToM Tunnels per router
Maximum number of AToM Tunnels per port with features
Maximum number of AToM Tunnels per port with cell packing
Cisco IOS Release 12.0(27)S
2
Configuring Modular QoS CLI, page 84
Additional References, page 91
Command Reference, page 92
Glossary, page 98
Supported Values for 4-Port ATM ISE Line Card
5
values
6
values
AAL5 over MPLS.
Scalability Limitations for the 4-Port ATM ISE Line Card
Software Configuration of ATM ISE Line Cards for Cisco 12000 Series Routers
Limitation
1
508 per port
3
:
4
1024
3
2047
Varies with vc-per-vp value.
In Release 12.0(25)S: up to 255
In Release 12.0(27)S:
UNI VPIs-up to 255; NNI VPIs-up to 4095
Varies with vc-per-vp value, up to 65,535
1
Table 1
and
2
per port and card
per port and card
Layer 2
Limitation
1024
1024
2048
508
508
Table
2.
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Troubleshooting
