Hà Nội: NTT03, Line 1, Thống Nhất Complex, 82 Nguyễn Tuân, Thanh Xuân, Hà Nội. ● HCM: Số 31B, Đường 1, Phường An Phú, Quận 2 (Thủ Đức), TP HCM. ===> Đơn Vị Hàng Đầu Trong Lĩnh Vực Cung Cấp Thiết Bị Security - Network - Wifi - CCTV - Conference - Máy chủ Server - Lưu trữ Storge.
Danh mục sản phẩm

Configure Host Guard Function

Configuration Condition

None

Configure Host Guard Group

Host guard group comprises a series of host guard group rules. We can configure the IP addresses of the gateway and important server in the network as the rules in the host guard group.

Table 10-2 Configure the host guard group

Step

Command

Description

Enter global configuration mode

configure terminal

-

Create the host guard group

host-guard group group-name

Mandatory

By default, do not create any host guard group.

Configure the host guard group rule

permit host ip-address

Mandatory

By default, do not configure host guard group rule.

note


  • Each host guard group supports 128 host guard group rules at most.

Configure Application of Host Guard Group

Apply the host guard group to the port. We can monitor the received ARP packets, realizing the protection for the ARP table.

Table 10-3 Configure the application of the host guard group

Step

Command

Description

Enter global configuration mode

configure terminal

-

Enter the L2 Ethernet interface configuration mode

interface interface-name

Either

After entering the L2 Ethernet interface configuration mode, the subsequent configuration just takes effect on the current port. After entering the aggregation group configuration mode, the subsequent configuration just takes effect on the aggregation group.

Enter the aggregation group configuration mode

interface link-aggregation link-aggregation-id

Configure the application of the host guard group

host-guard binding group-name

Mandatory

By default, there is no applied host guard group on the port or aggregation group.