Network to Media Resolution (ARP & NDP)
IPv4 network use Address Resolution Protocol (ARP) to resolve IP address to MAC address.
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     arp <ip-address> <mac-address> no arp <ip-address> <mac-address> Sets a static ARP entry. The no form of the command deletes the static ARP.  | 
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     Syntax Description  | 
                
     ip-address  | 
                
     IPv4 address  | 
        
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     mac-address  | 
                
     MAC address  | 
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     Default  | 
                
     N/A  | 
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     Configuration Mode  | 
                
     config  | 
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     History  | 
                
     1.5  | 
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     Example  | 
                
        
            
            
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     Related Commands  | 
                
     show ip arp  | 
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     Notes  | 
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     show arp [static] Displays the ARP table.  | 
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     Syntax Description  | 
                
     N/A  | 
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     Default  | 
                
     N/A  | 
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     Configuration Mode  | 
                
     Any configuration mode  | 
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     History  | 
                
     1.5  | 
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     Example  | 
                
        
            
            
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     Related Commands  | 
                
     arp  | 
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     Notes  | 
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     ipv6 neighbor <ipv6-address> <ifname> <mac-address> no ipv6 neighbor <ipv6-address> <ifname> <mac-address> Adds a static neighbor entry. The no form of the command deletes the static entry.  | 
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     Syntax Description  | 
                
     ipv6-address  | 
                
     IPv6 address  | 
        
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     ifname  | 
                
     Management interface (i.e. eth0, eth1)  | 
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     mac-address  | 
                
     MAC address  | 
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     Default  | 
                
     N/A  | 
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     Configuration Mode  | 
                
     config  | 
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     History  | 
                
     4.1.0  | 
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     Example  | 
                
        
            
            
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     Related Commands  | 
                
     show ipv6 neighbor ipv6 route arp clear ipv6 neighbors  | 
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     Notes  | 
                
    
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     clear ipv6 neighbors Clears the dynamic neighbors cache.  | 
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     Syntax Description  | 
                
     N/A  | 
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     Default  | 
                
     N/A  | 
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     Configuration Mode  | 
                
     config  | 
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     History  | 
                
     4.1.0  | 
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     Example  | 
                
        
            
            
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     Related Commands  | 
                
     ipv6 neighbor show ipv6 neighbor arp  | 
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     Notes  | 
                
    
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     show ipv6 neighbors [static] Displays the Neighbor Discovery Protocol (NDP) table.  | 
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     Syntax Description  | 
                
     static  | 
                
     Filters only the table of the static entries  | 
        
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     Default  | 
                
     N/A  | 
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     Configuration Mode  | 
                
     Any configuration mode  | 
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     History  | 
                
     4.1.0  | 
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     Example  | 
                
        
            
            
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     Related Commands  | 
                
     ipv6 neighbor clear ipv6 neighbor show ipv6  | 
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     Notes  | 
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