This command configures the syslog source-interface (source IP address) for syslog server configuration. The selected source-interface IP address is used for filling the IP header of management protocol packets. This allows security devices (firewalls) to identify the source packets coming from the specific switch. If a source-interface is not specified, the primary IP address of the originating (outbound) interface is used as the source address.
| Format | logging syslog source-interface {unit/slot/port|{loopback loopback-id}|{vlan vlan-id}} |
| Mode | Global Config |
| Parameter | Description |
|---|---|
| unit/slot/port | VLAN or port-based routing interface. |
| loopback-id | Configures the loopback interface to use as the source IP address. The range of the loopback ID is 0 to 7. |
| vlan-id | Configures the VLAN interface to use as the source IP address. The range of the VLAN ID is 1 to 4093. |
The following example shows how the command could be entered.
(config)#logging syslog source-interface loopback 0 (config)#logging syslog source-interface tunnel 0 (config)#logging syslog source-interface 0/4/1 (config)#logging syslog source-interface 1/0/1
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