ZyXEL Communications ONU-2024 Series, Руководство пользователя

Страница: 163 / 268

Chapter 21 IP Source Guard
ONU User’s Guide
163
21.4 ARP Inspection Status
Use this screen to look at the current list of MAC address filters that were created because the
ONU identified an unauthorized ARP packet. When the ONU identifies an unauthorized ARP
packet, it automatically creates a MAC address filter to block traffic from the source MAC
address and source VLAN ID of the unauthorized ARP packet. To open this screen, click
Advanced Application > IP Source Guard > ARP Inspection .
Figure 82 ARP Inspection Status
The following table describes the labels in this screen.
Index This field displays a sequential number for each binding.
MAC Address This field displays the source MAC address in the binding.
IP Address This field displays the IP address assigned to the MAC address in the
binding.
Lease This field displays how long the binding is valid.
Type This field displays how the ONU learned the binding.
static : This binding was learned from information provided manually by an
administrator.
VLAN This field displays the source VLAN ID in the binding.
Port This field displays the port number in the binding. If this field is blank, the
binding applies to all ports.
Delete Select this, and click Delete to remove the specified entry.
Cancel Click this to clear the Delete check boxes above.
Table 56 IP Source Guard Static Binding (continued)
LABEL DESCRIPTION
Table 57 ARP Inspection Status
LABEL DESCRIPTION
Total number of filters This field displays the current number of MAC address filters that were
created because the ONU identified unauthorized ARP packets.
Index This field displays a sequential number for each MAC address filter.
MAC Address This field displays the source MAC address in the MAC address filter.
VID This field displays the source VLAN ID in the MAC address filter.
Port This field displays the source port of the discarded ARP packet.
Expiry (sec) This field displays how long (in seconds) the MAC address filter remains in
the ONU. You can also delete the record manually (
Delete ).