Huawei AR150 series - 1.2 Device Structure

3.4 Configuring IPv6 Neighbor Discovery.............................................................................................................59
3.4.1 Establishing the Configuration Task.......................................................................................................60
3.4.2 Configuring Static Neighbors..................................................................................................................61
3.4.3 Enabling RA Message Advertising.........................................................................................................61
3.4.4 Setting the Interval for Advertising RA Messages..................................................................................62
3.4.5 Configuring the Address Prefixes to Be Advertised...............................................................................62
3.4.6 Configuring Other Information to Be Advertised...................................................................................63
3.4.7 Configuring the Default Router Priority and Route Information............................................................64
3.4.8 Checking the Configuration.....................................................................................................................65
3.5 Configuring IPv4/IPv6 Dual Stacks.................................................................................................................66
3.5.1 Establishing the Configuration Task.......................................................................................................66
3.5.2 Enabling IPv6 Packet Forwarding...........................................................................................................67
3.5.3 Configuring IPv4 and IPv6 Addresses for the Interface..........................................................................68
3.5.4 Checking the Configuration.....................................................................................................................69
3.6 Configuring PMTU...........................................................................................................................................69
3.6.1 Establishing the Configuration Task.......................................................................................................69
3.6.2 Creating Static PMTU Entries.................................................................................................................70
3.6.3 Configuring PMTU Aging Time.............................................................................................................70
3.6.4 Checking the Configuration.....................................................................................................................71
3.7 Configuring TCP6............................................................................................................................................72
3.7.1 Establishing the Configuration Task.......................................................................................................72
3.7.2 Configuring TCP6 Timers.......................................................................................................................72
3.7.3 Configuring the Size of the TCP6 Sliding Window................................................................................73
3.7.4 Checking the Configuration.....................................................................................................................73
3.8 Maintaining IPv6..............................................................................................................................................75
3.8.1 Resetting IPv6..........................................................................................................................................75
3.9 Configuration Examples...................................................................................................................................76
3.9.1 Example for Configuring an IPv6 Address for an Interface....................................................................76
3.9.2 Example for Configuring IPv6 Neighbor Discovery...............................................................................78
4 DNS Configuration.....................................................................................................................82
4.1 DNS Overview.................................................................................................................................................83
4.2 DNS Features Supported by the AR150/200....................................................................................................83
4.3 Configuring a DNS Client................................................................................................................................84
4.3.1 Establishing the Configuration Task.......................................................................................................84
4.3.2 Configuring Static DNS...........................................................................................................................85
4.3.3 Configuring Dynamic DNS.....................................................................................................................85
4.3.4 Checking the Configuration.....................................................................................................................86
4.4 Configuring DNS Proxy or Relay....................................................................................................................87
4.4.1 Establishing the Configuration Task.......................................................................................................87
4.4.2 Configuring a DNS Server......................................................................................................................88
4.4.3 (Optional) Configuring DNS Spoofing...................................................................................................88
4.4.4 (Optional) Setting the Aging Time of DNS Entries................................................................................89
Huawei AR150&200 Series Enterprise Routers
Configuration Guide - IP Service Contents
Issue 02 (2012-03-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
vii