From the course: Cisco CCNA (200-301) Cert Prep: 2 IP Connectivity and Services

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Syslog and SNMP

Syslog and SNMP

From the course: Cisco CCNA (200-301) Cert Prep: 2 IP Connectivity and Services

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Syslog and SNMP

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- System message logging, better known as syslog, is invaluable for any network of any design. When any event inside of a device, be it switch, router, AP, server, or other happens, it can be stored locally, which can be useful for troubleshooting, but what can be even more useful is when these messages are sent to a centralized syslog server. These messages can not only be looked at for event correlation, as with troubleshooting, but syslog servers can also have triggers set that when certain matching criteria is met, notifications can be sent. Say, for example, many failed login attempts for one of your routers. This could be indicative of a break-in attempt. I also set up syslog notifications for STP, OSPF, and BGP events. With BGP, I set up match for each pier so that my notifications will tell me which pier had issues and what the issues are. This has saved me time and energy when troubleshooting countless times. By default, Cisco has the logging console global command enabled…

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