Foundry Configuration Guide for the FESX, FSX, and FWSX
3 - 8 © Foundry Networks, Inc. December 2005
For example, to specify the lowest-numbered IP address configured on a virtual interface as the device’s source
for all TFTP packets, enter commands such as the following:
FESX424 Switch(config)# int ve 1
FESX424 Switch(config-vif-1)# ip address 10.0.0.3/24
FESX424 Switch(config-vif-1)# exit
FESX424 Switch(config)# ip tftp source-interface ve 1
The commands in this example configure 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 [<slotnum>/]<portnum> | loopback <num> | ve <num>
The default is the lowest-numbered IP address configured on the port through which the packet is sent. The
address therefore changes, by default, depending on the port.
Specifying a Simple Network Time Protocol (SNTP) Server
You can configure Foundry devices to consult SNTP servers for the current system time and date.
NOTE: Foundry devices do not retain time and date information across power cycles. Unless you want to
reconfigure the system time counter each time the system is reset, Foundry Networks recommends that you use
the SNTP feature.
To identify an SNTP server with IP address 208.99.8.95 to act as the clock reference for a Foundry device, enter
the following:
FESX424 Switch(config)# sntp server 208.99.8.95
Syntax: sntp server <ip-addr> | <hostname> [<version>]
The <version> parameter specifies the SNTP version the server is running and can be from 1 – 4. The default
is 1. You can configure up to three SNTP servers by entering three separate sntp server commands.
By default, the Foundry device polls its SNTP server every 30 minutes (1800 seconds). To configure the Foundry
device to poll for clock updates from a SNTP server every 15 minutes, enter the following:
FESX424 Switch(config)# sntp poll-interval 900
Syntax: [no] sntp poll-interval <1-65535>
To display information about SNTP associations, enter the following command:
Syntax: show sntp associations
FESX424 Switch# show sntp associations
address ref clock st when poll delay disp
~207.95.6.102 0.0.0.0 16 202 4 0.0 5.45
~207.95.6.101 0.0.0.0 16 202 0 0.0 0.0
* synced, ~ configured
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