Maintenance and Operations NMS
Centillion 1200N ATM Switch User Manual 9-7
The ATM Switch may be operated and managed from personal computers and
workstations called MATs as well as from the NMS that is connected to the ATM
Switch via ATM or ether network.
SNMP, the standard protocol for Internet hardware, is used over UDP/IP/SNAP/
LLC/AAL5 for communications between the NMS and the ATM Switch. To realize
this function, the ATM Switch maintains Management information base MIB- II
stipulated by RFC1213.
Figure 9-7: Protocol Stack
SAAL CS SSCS SSCF
function NMS in te rface fun ction