1-4
ATM Switch Router Software Configuration Guide
OL-7396-01
Chapter 1
Product Overview
Layer 3 Enabled ATM Switch Router Hardware Overview
The Catalyst 8510 MSR is equipped with the multiservice ATM switch route processor.
For additional information, refer to the
Processor Installation Guide
.
Available Physical Interfaces (Catalyst 8510 MSR and LightStream 1010)
The ATM switch router features the following available hardware components:
•
The ATM switch router supports the following port adapters:
–
4-port channelized E1 Frame Relay port adapters
–
1-port channelized DS3 Frame Relay port adapters
–
1-port OC-12 port adapters (multimode, single-mode, and single-mode long reach)
–
4-port OC-3 port adapters (multimode, single-mode, single-mode long reach, mixed, and UTP)
–
2-port DS3/E3 port adapters
–
4-port DS3/E3 port adapters
–
4-port T1/E1 port adapters
–
4-port T1/E1 circuit emulation service (CES) port adapters
–
25-Mbps port adapters
–
8-port T1/E1 inverse multiplexing over ATM (IMA) port adapters
Intelligent tail (partial)
packet discard
Supported
Supported
Selective cell marking
and discard
Multiple fixed thresholds
Multiple, weighted, dynamic
thresholds
Shaping
Per-port (pacing)
Per-VC or per-VP (128 shaped
VP tunnels)
Policing (UPC
9
)
Dual mode, single leaky bucket
Dual leaky bucket
Frame mode VC-merge
–
Supported
Point-to-multipoint VC
(multicast)
One leaf per output port, per
point-to-multipoint
Multiple leaves per output port, per
point-to-multipoint
Network clock
switchover
Automatic upon failure
Programmable clock selection
criteria
Nondisruptive snooping
Per-port transmit or receive
Per-VC, per-VP, or per-port
1.
CBR = constant bit rate
2.
RT-VBR = real time variable bit rate
3.
NRT-VBR = non real time variable bit rate
4.
ABR = available bit rate
5.
EFCI = Explicit Forward Congestion Indication
6.
RR = relative rate
7.
UBR = unspecified bit rate
8.
WRR = weighted round-robin
9.
UPC = usage parameter control
Table 1-1
FC-PCQ and FC-PFQ Feature Comparison (continued)
Feature
FC-PCQ
FC-PFQ