Draytek Vigor2862 Series, User Manual

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Vigor2862 Series User’s Guide 776
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This command allows users to set/add a specified netmask for your router.
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ip nmask [IP netmask]
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Parameter Description
IP netmask It means the netmask of LAN IP.
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> ip nmask 255.255.0.0
% Set IP netmask OK !!!
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ARP displays the matching condition for IP and MAC address.
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ip arp add [IP address] [MAC address] [LAN or WAN]
ip arp del [IP address] [LAN or WAN]
ip arp flush
ip arp status
ip arp accept [0/1/2/3/4/5status]
ip arp setCacheLife [time]
In which, arp add allows users to add a new IP address into the ARP table; arp del allows users
to remove an IP address; arp flush allows users to clear arp cache; arp status allows users to
review current status for the arp table; arp accept allows to accept or reject the source
/destination MAC address; arp setCacheLife allows users to configure the duration in which
ARP caches can be stored on the system. If ip arp setCacheLife is set with “60”, it means you
have an ARP cache at 0 second. Sixty seconds later without any ARP messages received, the
system will think such ARP cache is expired. The system will issue a few ARP request to see if
this cache is still valid.
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Parameter Description
IP address It means the LAN IP address.
MAC address It means the MAC address of your router.
LAN or WAN It indicates the direction for the arp function.
0/1/2/3/4/5 0: disable to accept illegal source mac address
1: enable to accept illegal source mac address
2: disable to accept illegal dest mac address
3: enable to accept illegal dest mac address
4: Decline VRRP mac into arp table
5: Accept VRRP mac into arp table
status: display the setting status.
Time Available settings will be 10, 20, 30,....2550 seconds.