Working with SNMP Traps ..........................................................................................3-13
SNMP MIB Information ...............................................................................................3-15
Chapter 4
In This Chapter ................................................................................................................4-1
NTP Specifications ..........................................................................................................4-2
NTP Defaults Table .........................................................................................................4-2
NTP Quick Steps .............................................................................................................4-3
NTP Overview ................................................................................................................4-5
Configuring NTP .............................................................................................................4-9
In This Chapter ................................................................................................................5-1
CMM Specifications .......................................................................................................5-2
CMM Files ......................................................................................................................5-3
vi
Setting SNMP Security ...................................................................................3-12
Trap Filtering ..........................................................................................................3-13
Authentication Trap ................................................................................................3-14
Trap Management ..................................................................................................3-14
Replaying Traps ...............................................................................................3-14
Absorbing Traps ..............................................................................................3-14
MIB Tables .............................................................................................................3-15
MIB Table Description ....................................................................................3-15
Industry Standard MIBs .........................................................................................3-16
Stratum .....................................................................................................................4-6
Using NTP in a Network ..........................................................................................4-6
Authentication ..........................................................................................................4-8
NTP Servers ...........................................................................................................4-10
Using Authentication ..............................................................................................4-12
Redundancy ..............................................................................................................5-9
Redundancy Scenarios .......................................................................................5-9
OmniSwitch 6250/6450 Switch Management Guide
.......................................................... 4-1
........................................................................ 5-1
Contents
May 2012