Reference Guide

Version Description
7.8.1.0 Introduced on the C-Series and S-Series.
Usage
Information
Allocate at least one FP block to ipmacacl before you can enable IP+MAC Source Address Validation
and SAV with VLAN option.
1. Use the cam-acl l2acl command from CONFIGURATION mode.
2. Save the running-config to the startup-config.
3. Reload the system.
ip dhcp relay information-option
Enable Option 82.
Syntax
ip dhcp relay information-option [remote-id {hostname | mac | WORD}]
[circuit-d {hostname:port}] [trust-downstream] [vpn]
Parameters
remote-id Enter the keyword remote-id to configure the system to enable the remote-id
string in option-82.
remote-id
hostname
Enter the keywords remote-id hostname to configure the port as the remote
id in option–82.
remote-id mac Enter the keywords remote-id mac to configure the chassis MAC address as
the remote-id in option–82.
remote-id WORD Enter the remote-id WORD option to configure the system to enable the remote-
id string in option 82.
circuit-id Enter the keyword circuit-id to configure the system to enable the circuit-id
string in option–82.
circuit-id
hostname:port
Enter the keywords circuit-id hostname:port to configure the circuit-id
format that is sent to the server.
trust-
downstream
Configure the system to trust Option 82 when it is received from the previous-hop
router.
vpn Enter the keyword vpn to add VPN/VRF related sub-option to relay agent
information Option 82.
NOTE: Adds the VPN/VRF related sub-options into the relay agent
information option(82). When DHCP broadcasts are forwarded by the relay
agent from clients to DHCP server.
Default Disabled.
Command Modes CONFIGURATION
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
EMC Networking OS Command Line Reference Guide.
Version Description
9.11(2.0P0) Introduced the circuit-id attribute in the command.
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the S3148.
9.10(0.0) Introduced on the S6100-ON.
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
548 Dynamic Host Configuration Protocol (DHCP)