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Configuration Guide - IP Service
S1720, S2700, S5700, and S6720 V200R011C10

This document describes the configurations of IP Service, including IP address, ARP, DHCP, DHCP policy VLAN, DNS, mDNS gateway, mDNS relay, UDP Helper, IP performance optimization, IPv6, DHCPv6, IPv6 DNS, IPv6 over IPv4 tunnel, and IPv4 over IPv6 tunnel.

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Locking a DHCP Address Pool

Locking a DHCP Address Pool


When a DHCP server is migrated, address pools on the DHCP server need to be transferred to a DHCP server on the live network. To prevent impacting clients that have obtained IP address from the to-be-migrated DHCP server, lock the address pools on the DHCP server. After the migration, new users apply for IP addresses from the new address pool.


  1. Run the system-view command to enter the system view.
  2. Run the ip pool ip-pool-name command to enter the global address pool view.
  3. Run the lock command to lock the address pool.

    By default, address pools on a device are not locked.

Updated: 2020-02-26

Document ID: EDOC1000178170

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