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networking_wiki:syslogging [2014/11/24 22:42] billdozor |
networking_wiki:syslogging [2019/05/25 23:50] (current) |
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| ====== Syslogging ====== | ====== Syslogging ====== | ||
| + | |||
| + | **General Information** | ||
| + | |||
| Configure syslog messages on Cisco devices. | Configure syslog messages on Cisco devices. | ||
| + | |||
| + | **Checklist** | ||
| + | * Syslog server setup | ||
| + | * One of the below devices to send logging data | ||
| + | |||
| + | ---- | ||
| + | |||
| + | ===== Scenario ===== | ||
| In these examples, we want to exclude: | In these examples, we want to exclude: | ||
| Line 13: | Line 24: | ||
| * We want to ignore certain messages on IOS edge switches (not core NX-OS switches) | * We want to ignore certain messages on IOS edge switches (not core NX-OS switches) | ||
| + | ----- | ||
| - | __Switches IOS__ | + | ===== Switches IOS ===== |
| < | < | ||
| logging discriminator LINKLOGS severity includes 0,1,2,3,4,5 facility drops LINK|LINEPROTO mnemonics drops UPDOWN | logging discriminator LINKLOGS severity includes 0,1,2,3,4,5 facility drops LINK|LINEPROTO mnemonics drops UPDOWN | ||
| Line 22: | Line 34: | ||
| </ | </ | ||
| - | __NX OS__ | + | ---- |
| + | |||
| + | ===== NX OS ===== | ||
| < | < | ||
| conf t | conf t | ||
| Line 31: | Line 45: | ||
| </ | </ | ||
| - | __ASA VPN__ | + | ---- |
| + | |||
| + | ===== ASA VPN ===== | ||
| This ASA Firewall syslog example shows how to ONLY send syslogs on VPN connect or disconnect. | This ASA Firewall syslog example shows how to ONLY send syslogs on VPN connect or disconnect. | ||
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| </ | </ | ||
| - | __Syslog | + | ----- |
| + | |||
| + | ===== Syslog | ||
| Some devices cannot change the syslog port they log to and by default use udp/514. This is a problem on Linux servers, since privileged ports 1024 and below can only be used by root. | Some devices cannot change the syslog port they log to and by default use udp/514. This is a problem on Linux servers, since privileged ports 1024 and below can only be used by root. | ||