TFTP packets
To specify the lowest-numbered IP address congured on a virtual interface as the device source for all TFTP packets, enter commands
such as the following.
device(config)# interface ve 1
device(config-vif-1)# ip address 10.0.0.3/24
device(config-vif-1)# exit
device(config)# ip tftp source-interface ve 1
The commands in this example congure virtual interface 1, assign IP address 10.0.0.3/24 to the interface, then designate the
interface's address as the source address for all TFTP packets.
Syntax: [no] ip tftp source-interface { ethernet unit / slot / port | loopback num | management num |venum }
The default is the lowest-numbered IP address
congured on the port through which the packet is sent. The address therefore changes,
by default, depending on the port.
Syslog packets
To specify the lowest-numbered IP address congured on a virtual interface as the device source for all Syslog packets, enter commands
such as the following.
device(config)# interface ve 1
device(config-vif-1)# ip address 10.0.0.4/24
device(config-vif-1)# exit
device(config)# ip syslog source-interface ve 1
The commands in this example
congure virtual interface 1, assign IP address 10.0.0.4/24 to the interface, then designate the
interface's address as the source address for all Syslog packets.
Syntax: [no] ip syslog source-interface { ethernet unit / slot / port | loopback num | management num |venum }
The default is the lowest-numbered IP or IPv6 address congured on the port through which the packet is sent. The address therefore
changes, by default, depending on the port.
SNTP packets
To specify the lowest-numbered IP address
congured on a virtual interface as the device source for all SNTP packets, enter commands
such as the following.
device(config)# interface ve 1
device(config-vif-1)# ip address 10.0.0.5/24
device(config-vif-1)# exit
device(config)# ip sntp source-interface ve 1
The commands in this example
congure virtual interface 1, assign IP address 10.0.0.5/24 to the interface, then designate the
interface's address as the source address for all SNTP packets.
Syntax: [no] ip sntp source-interface { ethernet unit / slot / port | loopback num | management num |venum }
The default is the lowest-numbered IP or IPv6 address congured on the port through which the packet is sent. The address therefore
changes, by default, depending on the port.
SNMP packets
To specify a loopback interface as the SNMP single source trap, enter commands such as the following.
device(config)# interface loopback 1
device(config-lbif-1)# ip address 10.0.0.1/24
Conguring IP parameters - Layer 3 switches
FastIron Ethernet Switch Layer 3 Routing
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