D-Link DGS-1510-28P User Manual - Page 328
Command Mode, Command Default Level, Usage Guideline, Example, 3 limit address-count, Parameters,
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DGS-1510 Series Gigabit Ethernet SmartPro Switch CLI Reference Guide Command Mode IPv6 Snooping Configuration Mode. Command Default Level Level: 12. Usage Guideline ND Snooping is designed for a stateless auto-configuration assigned IPv6 address and manually configured IPv6 address. Before assigning an IPv6 address, the host must perform Duplicate Address Detection first. ND snooping detects DAD messages (DAD NS and DAD NA) to build its binding database. The NDP packet (NS and NA) is also used to detect whether a host is still reachable and determine whether to delete a binding or not. DHCPv6 Snooping sniffs the DHCPv6 packets sent between the DHCPv6 client and server in the address assigning procedure. When a DHCPv6 client successfully got a valid IPv6 address, DHCPv6 snooping creates its binding database. Example This example shows how to enable DHCPv6 snooping. Switch# configure terminal Switch(config)# ipv6 snooping policy policy1 Switch(config-ipv6-snooping)# protocol dhcp Switch(config-ipv6-snooping)# 37-3 limit address-count This command is used to limit the maximum number of IPv6 snooping binding entries. Use the no command to reset it to default. limit address-count MAXIMUM no limit address-count Parameters MAXIMUM Specifies the maximum number of IPv6 snooping binding entries. The range is from 0 to 511. Default By default, there is no limit configured. Command Mode IPv6 Snooping Configuration Mode. Command Default Level Level: 12. Usage Guideline This command is used to limit the number of IPv6 binding entries on which the IPv6 snooping policy is applied. This command helps to limit the binding table size. Example This example shows how to limit the number of IPv6 snooping binding entries to 25. 325
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