iii
Enabling synchronous information output ········································································································ 76
Enabling duplicate log suppression ················································································································· 77
Disabling an interface from generating link up or link down logs ····································································· 77
Displaying and maintaining information center ································································································ 77
Setting the minimum storage time for logs ······································································································· 78
Information center configuration examples ······································································································ 78
Configuration example for outputting logs to the console ········································································ 78
Configuration example for outputting logs to a UNIX log host ································································· 79
Configuration example for outputting logs to a Linux log host ································································· 80
Configuring SNMP ························································································ 82
Overview ·························································································································································· 82
SNMP framework ····································································································································· 82
MIB and view-based MIB access control ································································································· 82
SNMP operations ····································································································································· 83
Protocol versions ······································································································································ 83
Access control modes ······························································································································ 83
SNMP silence ··········································································································································· 84
FIPS compliance ·············································································································································· 84
Configuring SNMP basic parameters ··············································································································· 84
Configuring SNMPv1 or SNMPv2c basic parameters ·············································································· 84
Configuring SNMPv3 basic parameters ··································································································· 86
Configuring SNMP logging ······························································································································· 89
Configuring SNMP notifications ······················································································································· 90
Enabling SNMP notifications ···················································································································· 90
Configuring the SNMP agent to send notifications to a host ···································································· 91
Displaying the SNMP settings ·························································································································· 92
SNMPv1/SNMPv2c configuration example ······································································································ 93
SNMPv3 in VACM mode configuration example ····························································································· 94
SNMPv3 in RBAC mode configuration example ······························································································ 96
Configuring RMON ························································································ 99
Overview ·························································································································································· 99
RMON groups ·········································································································································· 99
Sample types for the alarm group and the private alarm group ····························································· 101
Protocols and standards ························································································································ 101
Configuring the RMON statistics function ······································································································ 101
Creating an RMON Ethernet statistics entry ·························································································· 101
Creating an RMON history control entry ································································································ 101
Configuring the RMON alarm function ··········································································································· 102
Displaying and maintaining RMON settings ··································································································· 103
RMON configuration examples ······················································································································ 103
Ethernet statistics group configuration example ···················································································· 103
History group configuration example ······································································································ 104
Alarm function configuration example ···································································································· 106
Configuring NQA ························································································· 108
Overview ························································································································································ 108
NQA operation ······································································································································· 108
Collaboration ·········································································································································· 109
Threshold monitoring ····························································································································· 109
NQA configuration task list ····························································································································· 110
Configuring the NQA server ··························································································································· 110
Enabling the NQA client ································································································································· 111
Configuring NQA operations on the NQA client ····························································································· 111
NQA operation configuration task list ····································································································· 111
Configuring the ICMP echo operation ···································································································· 111
Configuring the DHCP operation ············································································································ 112
Configuring the DNS operation ·············································································································· 113
Configuring the FTP operation ··············································································································· 114
Configuring the HTTP operation ············································································································ 115
Configuring the UDP jitter operation ······································································································ 116
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