Circuit-Id - Dell PowerConnect J-EX4200-24T Software Manual

circuit-id

Syntax
Hierarchy Level
Release Information
Description
Default
Required Privilege
Level
Related
Documentation
circuit-id {
prefix hostname;
use-interface-description;
use-vlan-id;
}
[edit ethernet-switching-options secure-access-port vlan (all | vlan-name) dhcp-option82]
[edit forwarding-options helpers bootp dhcp-option82]
[edit forwarding-options helpers bootp interface interface-name dhcp-option82]
Statement introduced before Junos OS Release 10.2 for J-EX Series switches.
Configure the circuit-id suboption (suboption 1) of DHCP option 82 (the DHCP relay agent
information option) in DHCP packets destined for a DHCP server. This suboption identifies
the circuit (interface and/or VLAN) on which the DHCP request arrived.
The format of the
circuit-id
is
interface-name:vlan-name
The remaining statements are explained separately.
If DCHP option 82 is enabled on the switch, the circuit ID is supplied by default in the
format
interface-name:vlan-name
routing—To view this statement in the configuration.
routing-control—To add this statement to the configuration.
Example: Setting Up DHCP Option 82 on a J-EX Series Switch with No Relay Agent
Between Clients and DHCP Server on page 2617
Example: Setting Up DHCP Option 82 with a J-EX Series Switch as Relay Agent Between
Clients and a DHCP Server on page 2615
Setting Up DHCP Option 82 on the Switch with No Relay Agent Between Clients and
DHCP Server (CLI Procedure) on page 2649
Setting Up DHCP Option 82 with the Switch as a Relay Agent Between Clients and
DHCP Server (CLI Procedure) on page 2646
[edit forwarding-options] Configuration Statement Hierarchy on page 43
RFC 3046, DHCP Relay Agent Information Option, at
Chapter 98: Configuration Statements for Port Security
information for Gigabit Ethernet interfaces that use VLANs
. On a Layer 3 interface, the format is just
or, on a Layer 3 interface, just
interface-name.
.
interface-name
http://tools.ietf.org/html/rfc3046.
2673