Users Guide

Table Of Contents
MIBs.............................................................................................................................................................................. 143
SNMPv3....................................................................................................................................................................... 144
Configure SNMP........................................................................................................................................................145
SNMP commands...................................................................................................................................................... 149
Example: Configure SNMP......................................................................................................................................159
System clock.....................................................................................................................................................................159
Time zones and UTC offset reference................................................................................................................. 160
System Clock commands......................................................................................................................................... 176
Network Time Protocol.................................................................................................................................................. 178
Enable NTP..................................................................................................................................................................179
Broadcasts...................................................................................................................................................................180
Source IP address......................................................................................................................................................180
Authentication............................................................................................................................................................. 181
Sample NTP configuration.......................................................................................................................................182
NTP commands.......................................................................................................................................................... 184
Precision Time Protocol................................................................................................................................................. 189
Supported platforms................................................................................................................................................. 193
Standards compliance...............................................................................................................................................193
PTP installation scale and limits............................................................................................................................. 193
Configuration notes...................................................................................................................................................193
Hybrid clocking........................................................................................................................................................... 194
Configure Precision Time Protocol........................................................................................................................194
View PTP information............................................................................................................................................... 197
Example: Configure boundary clock with L2 transport method.....................................................................199
Example: Configure boundary clock with IPv4 multicast transport method.............................................. 200
Example: Configure boundary clock with IPv4 unicast transport method...................................................201
Example: Configure end-to-end transparent clock...........................................................................................202
Example: Configure boundary clock with IPv4 unicast transport method and L3 VLAN........................ 203
Example: Configure PTP in a multinode setup...................................................................................................204
PTP commands.......................................................................................................................................................... 212
Synchronous Ethernet (SyncE)...................................................................................................................................228
Supported platforms................................................................................................................................................ 228
Standards compliance..............................................................................................................................................228
Clock source selection ............................................................................................................................................229
Manage clock selection........................................................................................................................................... 230
Standby clock source states.................................................................................................................................. 230
Restrictions and limitations.....................................................................................................................................230
Sample configurations..............................................................................................................................................230
SyncE commands......................................................................................................................................................240
Dynamic Host Configuration Protocol........................................................................................................................251
Packet format and options..................................................................................................................................... 252
DHCP server.............................................................................................................................................................. 253
Automatic address allocation................................................................................................................................. 254
Hostname resolution................................................................................................................................................ 255
Manual binding entries.............................................................................................................................................256
View DHCP Information...........................................................................................................................................257
DHCP relay agent......................................................................................................................................................257
Enable or disable DHCP Option-82.......................................................................................................................259
DHCP relay agent options.......................................................................................................................................260
DHCPv4 relay counters........................................................................................................................................... 275
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