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| Chapter 26 IP Source Guard |
| Table 79 DHCP Snooping VLAN Configure (continued) | |
| LABEL | DESCRIPTION |
| Apply | Click Apply to save your changes to the Switch’s |
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| memory. The Switch loses these changes if it is turned off or loses |
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| power, so use the Save link on the top navigation panel to save |
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| your changes to the |
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| configuring. |
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| Cancel | Click this to reset the values in this screen to their |
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| values. |
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26.6 ARP Inspection Status
Use this screen to look at the current list of MAC address filters that were created because the Switch identified an unauthorized ARP packet. When the Switch 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 130 ARP Inspection Status
The following table describes the labels in this screen.
Table 80 ARP Inspection Status
LABEL | DESCRIPTION |
Total number of filters | This field displays the current number of MAC address filters that |
| were created because the Switch identified unauthorized ARP |
| packets. |
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Index | This field displays a sequential number for each MAC address |
| filter. |
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Mac Address | This field displays the source MAC address in the MAC address |
| filter. |
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VID | This field displays the source VLAN ID in the MAC address filter. |
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Port | This field displays the source port of the discarded ARP packet. |
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Expiry (sec) | This field displays how long (in seconds) the MAC address filter |
| remains in the Switch. You can also delete the record manually |
| (Delete). |
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