DKT Comega forsete-ii series Manuel de l'utilisateur - Page 8
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reboot
The device can be accessed via TELNET, and is rebooted with the use of "reboot" command. TELNET ac-
cess must however be configured in the configuration file.
# The following command enables TELNET access from WAN
telnetd -l /bin/sh
save configuration to flash
Per default device configuration is provisioned via DHCP at boot, and it will be stored in device RAM
memory, which means that the device would need to have the configuration loaded at every boot.
Concept is if dhcp service is out, the device will restore its latest saved – the latest saved configuration is
the incident where there is a difference between saved configuration and provisioned configuration. Also
the CPE will get an ad-hoc link-local IP address, which is an auto configuration algorithm described in the
IETF Draft "Dynamic Configuration of IPv4link-local addresses".
Procedure is to
- insert a syntax in the configuration file "save_configuration"
Please note that the syntax "save_configuration" will be filtered by the device, so if you do a "cat /tmp/
config.sh" or "cat /mnt/flash/config.sh" this command is not visible.
When dhcp service comes back, then the device will lease an IP address again, but not fetch any new
configuration, as it will keep its restored configuration until next boot process.
# The following command allows the configuration to be saved to flash memory, and this will be restore if dhcp
service is out.
save_configuration
dhcp option 82
DHCP Option 82 relay feature will be supported in a future release.
DHCP Relay Agent Information Option 82 is an extension to the Dynamic Host Configuration Protocol
(DHCP), and is defined in RFC 3046 and RFC 3993. DHCP Option 82 can be used to send information about
DHCP clients to the authenticating DHCP server. DHCP Option 82 can as an example identify the VLAN
number, port number as well as a customer ID of a client, during any IP address allocation. When DHCP
Option 82 is enabled on the CPE, it inserts the per port defined information into the DHCP packets as they
pass through the CPE on their way to the DHCP server. The DHCP server stores the IP allocation record.
The CPE will strip off the DHCP reply from the DHCP server, so the clients will never see the DHCP option
82 information.
The DHCP Option 82 information can hold a 32 char string per port.
# Syntax is switch --set-port-dhcp-option82=PORT:enable[:Circuit ID[:Remote ID]]
switch --set-port-dhcp-option82=1:1:"DKT 797xx LAN port 1":"Client XYZ"
switch --set-port-dhcp-option82=2:1:"DKT 797xx LAN port 2":"Client XYZ"
switch --set-port-dhcp-option82=3:1:"DKT 797xx LAN port 3":"Client XYZ"
switch --set-port-dhcp-option82=4:1:"DKT 797xx LAN port 4":"Client XYZ"
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