Cabletron Systems SMARTSWITCH ROUTER 9032578-05 User Manual
Page 76
Displaying ATM Port Information
50
SmartSwitch Router User Reference Manual
To display information about the port settings on an ATM port:
The following is an example of the information that is displayed with the command listed
above (for a PDH PHY interface):
•
Port Type
Shows the type of PHY interface for the port.
•
Xmt Clock Source
Shows the timing source for the port.
Local
indicates the onboard clock oscillator as the
timing source.
Loop
indicates the receiver input as the timing
source.
•
Scramble Mode
Shows the scramble/descramble mode for the
port.
None
indicates no scrambling.
Payload
indicates scrambling of the payload
only.
Frame
indicates scrambling of the stream only.
Both
indicates scrambling of payload and stream.
•
Line Coding
Shows the particular DS1/T1 and DS3/T3 coding
convention.
•
Cell Mapping
Shows the format used to map ATM cells.
Direct
indicates direct cell mapping.
Plcp
indicates physical layer convergence
protocol mapping.
•
Framing
Shows the type of framing scheme.
cbit-parity
is used for T3 framing.
m23
is used for T3 framing.
Displays the port setting
configurations on an ATM port.
atm show port-settings
ssr(atm-show)# port-settings at.9.1
Port information for Slot 9, Port 1:
Port Type: T3 ATM coaxial cable
Xmt Clock Source: Local
Scramble Mode: Payload
Line Coding: B3ZS
Cell Mapping: Direct
Framing Cbit-Parity
VC Mode: 1 bit of VPI, 11 bits of VCI
Service Definition: ubr-default
Service Class: UBR
Peak Bit Rate: Best Effort
Sustained Bit Rate: 0 Kbits/sec (0 cps)
Maximum Burst Size: 0 cells
Encapsulation Type: Routed LLC
F5-OAM: Requests & Responses