ELTEX MES1000 User Manual

MES1000, MES2000 Ethernet Switches 87
5.15.4 DHCPv6 guard function configuration
The DHCPv6 guard feature prevents third-party DHCPv6 servers on the network and allows their use
only on trusted interfaces.
Global Configuration Mode Commands
Command line request in global configuration mode appears as follows:
console(config)#
Table 5.65—Global configuration mode commands
Command
Value/Default value
Action
ipv6 dhcp guard
/disabled
Enable DHCPv6 guard function management for the switch.
no ipv6 dhcp guard
Disable DHCPv6 guard function.
ipv6 dhcp guard vlan vlan
(1..4094)
Enable DHCPv6 guard function management within the
specified VLAN.
- vlan – VLAN number.
Ethernet Interface Configuration Mode Commands
Command line request in the interface configuration mode appears as follows:
console (config-if)#
Table 5.66—Ethernet interface configuration mode commands
Command
Value/Default value
Action
ipv6 dhcp guard device-
role { client | server }
-/client
Port operation mode selection:
- client – 'advertise' and 'relpy' messages are discarded
- server – 'advertise' and 'relpy' messages are filtered by the
rules.
ipv6 dhcp guard match
server accsess-list acl
(1..32) characters
Enable ACL for filtering DHCPv6 messages.
- acl – ACL name.
ipv6 dhcp guard match
reply prefix-list prefix-list
(1..32) characters
Enable prefix-list for filtering DHCPv6 messages.
- prefix-list – prefix-list name.
ipv6 dhcp guard trusted-
port
By default, all ports are
untrusted
Add port to the trusted list. Trusted ports allow all types of
messages.
no ipv6 dhcp guard
trusted-port
Delete port from trusted list.

ELTEX MES1000 Specifications

General

Model	MES1000
Layer	L2
VLAN	Not supported
Type	Unmanaged
Power Supply	External 5V DC
Operating Temperature	0°C to +40°C
Storage Temperature	-40°C to +70°C
Humidity	10 to 90% (non-condensing)

Summary

2 PRODUCT DESCRIPTION

2.2 Device Functions

Lists and describes the basic, MAC address processing, and second-layer OSI functions of the switches.

3 INSTALLATION AND CONNECTION

4 DEVICE STARTUP, INITIAL CONFIGURATION

4.3 Configuration procedure

Outlines the necessary information and steps for initial device configuration.

5 DEVICE MANAGEMENT COMMAND LINE INTERFACE

5.2 Basic commands

Lists and describes fundamental commands available in EXEC and Privileged EXEC modes.

5.10 Interface configuration

Covers configuration of Ethernet interfaces, port channels, and VLAN interfaces.

5.14 IPv4 addressing configuration

5.15 IPv6 addressing configuration

5.27 Security functions

Explains security functions, including port security, port-based authentication (802.1x), DHCP snooping, ARP inspection, and MAC address notification.

5.31 ACL Configuration (Access Control Lists)

Explains Access Control Lists for filtering traffic based on IP, MAC addresses, and TCP/UDP ports.

5.33 Quality of Services (QoS)

6 SERVICE MENU, CHANGE OF SOFTWARE

6.2 Update of software from TFTP server