This is an old revision of the document!
http://www.cisco.com → Search → SNMP Object Navigator → SEARCH → busy
server# cat /etc/default/snmpd
... #export MIBS= ... SNMPDRUN=no ... TRAPDRUN=yes ...
server# cd /etc/snmp/
[server:~] # /usr/local/etc/rc.d/snmptrapd rcvar [server:~] # cd /usr/local/etc/snmp/
server# cat snmptrapd.conf
traphandle default mail -s snmptrap root traphandle default cat >> /tmp/traps authCommunity execute writetrap
# touch /tmp/traps root@server:~# /etc/init.d/snmpd restart или [server:~] # /usr/local/etc/rc.d/snmptrapd start # cat /tmp/traps
!!! На стенде при первой итерации большие задержки
switch(config)# snmp-server host server writetrap
switch(config)# snmp-server enable traps snmp linkdown linkup
Таблица соответствий имен переменных их числовым значениям в оборудовании может быть не полной
server# snmptranslate .1.3.6.1.2.1.2.2.1 IF-MIB::ifEntry server# snmptranslate -Tp .1.3.6.1.2.1.2.2.1 server# snmptranslate .1.3.6.1.2.1.2.2.1.10 IF-MIB::ifInOctets server# snmpwalk -c public -v2c router ifDescr ... IF-MIB::ifDescr.2 = STRING: FastEthernet1/0 ... server# snmpget -c public -v2c router ifEntry.10.2 server# snmpget -c public -v2c router ifInOctets.2
rmon event 111 log trap writetrap description "Change bandwith" rmon alarm 222 ifEntry.10.2 10 delta rising-threshold 10000 111 falling-threshold 10000 111
коментарии:
C:\>ping -n 1000 -l 1500 -w 0 172.16.1.254
server# tail -f /tmp/traps ...
router# debug snmp packets ...
rmon event 4 log trap public description "Cpu hight load" rmon alarm 8 .1.3.6.1.4.1.9.2.1.56.0 10 absolute rising-threshold 80 4 falling-threshold 6 20