Catalyst 8540 Msr Enhanced Atm Router Module Software Restrictions - Cisco Catalyst 8540 MSR Configuration Manual
Atm switch router software configuration guide
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Hardware and Software Restrictions of the ATM Router Module
Note
Catalyst 8540 MSR Enhanced ATM Router Module Software Restrictions
The following software restrictions apply to the Catalyst 8540 MSR enhanced ATM router module:
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The Catalyst 8540 MSR enhanced ATM router modules do not support the following features:
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ATM Switch Router Software Configuration Guide
25-6
The ATM router module is only supported on ATM switches which have multiservice ATM
switch processor installed.
Use tag switching functionality with caution. Do not distribute routes learned through tag switching
to Fast Ethernet (FE) or Gigabit Ethernet (GE), or vice versa. Otherwise, you might have
unreachable route destinations.
The ATM router module does not initialize if it replaces an ATM port adapter or interface module
when hierarchical VP tunnels are globally enabled. Reboot the switch to initialize the ATM router
module.
IP multicast is only supported over 1483 LLC/SNAP encapsulated PVCs.
ATM Director does not support any PVC commands.
Even though each enhanced ATM Router Module interface supports a maximum of 8192 VCs, only
7544 to 7644 external VCs can be configured. Internal VCs use the remaining VCs.
Do not install an ATM router module in a slot pair where hierarchical VP tunnels are configured.
Slot pairs 0 and 1, 2 and 3, 9 and 10, and 11 and 12 use the same switching modules for scheduling.
For example, do not install an ATM router module in slot 10 when hierarchical VP tunnels are
configured on slot 9. For more information on hierarchical VP tunneling restrictions, see
"Configuring Virtual Connections."
Tag-edged router functionality is not supported.
Fast Simple Server Redundancy Protocol (FSSRP) is not supported.
Bridging for multiplexing device encapsulation is not supported.
Protocol Independent Multicast (PIM) IP multipoint signalling is not supported.
PIM nonbroadcast multiaccess (NBMA) is not supported.
PIM over ATM multipoint signalling is not supported.
Translation from IP quality of service (QoS) to ATM QoS is not supported.
Resource Reservation Protocol (RSVP) to ATM SVC is not supported.
PVC management using ILMI is not supported.
IP multicast over RFC 1483 SVCs is not supported.
Access lists for ATM to ATM routing is not supported.
Half-bridge devices are not supported.
Layer 2 ACLs are not supported.
Token Ring LANE is not supported.
LANE with IPX is not supported.
Chapter 25
Configuring ATM Router Module Interfaces
Chapter 7,
OL-7396-01
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Troubleshooting
