Ipv6 Troubleshooting; Arp; Introduction To Arp; Arp Configuration Task List - Planet Networking & Communication WGSW-50040 Configuration Manual

(9) Delete all entries in IPv6 neighbor table
Command
Admin Mode
clear ipv6 neighbors

15.2.2 IPv6 Troubleshooting

 IPv6 on-off must be turned on when configuring IPv6 commands, otherwise the configuration is invalid
 If the connected PC has not obtained IPv6 address, you should check the RA announcement switch
(the default is turned off)

15.3 ARP

15.3.1 Introduction to ARP

ARP (Address Resolution Protocol) is mainly used to resolve IP address to Ethernet MAC address. Switch
supports static ARP configuration.

15.3.2 ARP Configuration Task List

ARP Configuration Task List:
1. Configure static ARP
1. Configure static ARP
VLAN Port Mode
arp <ip_address> <mac_address>
no arp <ip_address>

15.3.3 ARP Troubleshooting

If ping from the switch to directly connected network devices fails, the following can be used to check the
possible cause and create a solution.
 Check whether the corresponding ARP has been learned by the switch.
 If ARP has not been learned, then enabled ARP debugging information and view the sending/receiving
condition of ARP packets.
 Defective cable is a common cause of ARP problems and may disable ARP learning.
Command
Explanation
Clear all static neighbor table entries.
Explanation
Configures a static ARP entry; the no
command deletes a static ARP entry.
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