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Table of Contents

Configuration Guide1
Table of Contents3
Configuring ARP12
- Overview12
- Configuring a Static ARP Entry14
- Configuring a Multiport ARP Entry15
- Setting the Maximum Number of Dynamic ARP Entries for a Device16
- Setting the Maximum Number of Dynamic ARP Entries for an Interface16
- Setting the Aging Timer for Dynamic ARP Entries17
- Enabling Dynamic ARP Entry Check17
- Enabling ARP Logging17
- Configuring ARP Fast Update18
- Displaying and Maintaining ARP19
- Configuration Examples19
  - Static ARP Configuration Example19
  - Multiport ARP Entry Configuration Example20
Configuring Gratuitous ARP23
- Overview23
  - Gratuitous ARP Packet Learning23
  - Periodic Sending of Gratuitous ARP Packets23
- Configuration Procedure24
- Enabling IP Conflict Notification24
Configuring Proxy ARP26
- Enabling Common Proxy ARP26
- Enabling Local Proxy ARP26
- Displaying Proxy ARP27
- Common Proxy ARP Configuration Example27
  - Network Requirements27
  - Configuration Procedure27
Configuring ARP Snooping29
- Configuration Procedure29
- Displaying and Maintaining ARP Snooping29
Configuring IP Addressing30
- Overview30
- Assigning an IP Address to an Interface32
  - Configuration Guidelines32
  - Configuration Procedure32
- Configuring IP Unnumbered32
- Displaying and Maintaining IP Addressing33
- IP Address Configuration Example34
DHCP Overview36
- DHCP Address Allocation36
- DHCP Message Format38
- DHCP Options39
  - Common DHCP Options39
  - Custom DHCP Options39
- Protocols and Standards41
Configuring the DHCP Server43
- Overview43
  - DHCP Address Pool43
  - IP Address Allocation Sequence45
- DHCP Server Configuration Task List45
- Configuring an Address Pool on the DHCP Server46
- Enabling DHCP54
- Enabling the DHCP Server on an Interface54
- Applying an Address Pool on an Interface55
- Configuring IP Address Conflict Detection55
- Enabling Handling of Option 8255
- Configuring DHCP Server Compatibility56
- Setting the DSCP Value for DHCP Packets Sent by the DHCP Server57
- Displaying and Maintaining the DHCP Server57
- DHCP Server Configuration Examples58
- Troubleshooting DHCP Server Configuration64
Configuring the DHCP Relay Agent66
- Overview66
  - Operation66
  - DHCP Relay Agent Support for Option 8267
- DHCP Relay Agent Configuration Task List67
- Enabling DHCP68
- Enabling the DHCP Relay Agent on an Interface68
- Specifying DHCP Servers on a Relay Agent68
- Configuring the DHCP Relay Agent Security Functions69
- Configuring the DHCP Relay Agent to Release an IP Address71
- Configuring Option 8271
- Setting the DSCP Value for DHCP Packets Sent by the DHCP Relay Agent72
- Displaying and Maintaining the DHCP Relay Agent72
- DHCP Relay Agent Configuration Examples72
  - DHCP Relay Agent Configuration Example72
  - Option 82 Configuration Example73
- Troubleshooting DHCP Relay Agent Configuration74
Configuring the DHCP Client75
- Enabling the DHCP Client on an Interface75
- Configuring a DHCP Client ID for an Interface75
- Enabling Duplicated Address Detection76
- Setting the DSCP Value for DHCP Packets Sent by the DHCP Client76
- Displaying and Maintaining the DHCP Client77
- DHCP Client Configuration Example77
Configuring DHCP Snooping80
- Overview80
  - Application of Trusted and Untrusted Ports80
  - DHCP Snooping Support for Option 8281
- DHCP Snooping Configuration Task List82
- Configuring Basic DHCP Snooping82
- Configuring Option 8283
- Saving DHCP Snooping Entries84
- Enabling DHCP Starvation Attack Protection85
- Enabling DHCP-REQUEST Attack Protection85
- Setting the Maximum Number of DHCP Snooping Entries86
- Configuring DHCP Packet Rate Limit86
- Displaying and Maintaining DHCP Snooping87
- DHCP Snooping Configuration Examples88
  - Basic DHCP Snooping Configuration Example88
  - Option 82 Configuration Example88
Configuring the BOOTP Client90
- BOOTP Application90
- Obtaining an IP Address Dynamically90
- Protocols and Standards90
- Configuring an Interface to Use BOOTP for IP Address Acquisition91
- Displaying and Maintaining BOOTP Client91
- BOOTP Client Configuration Example91
  - Network Requirements91
  - Configuration Procedure91
Configuring DNS92
- Overview92
- DNS Configuration Task List95
- Configuring the Ipv4 DNS Client96
  - Configuring Static Domain Name Resolution96
  - Configuring Dynamic Domain Name Resolution96
- Configuring the Ipv6 DNS Client97
  - Configuring Static Domain Name Resolution97
  - Configuring Dynamic Domain Name Resolution98
- Configuring the DNS Proxy98
- Configuring DNS Spoofing99
- Specifying the Source Interface for DNS Packets99
- Configuring the DNS Trusted Interface100
- Setting the DSCP Value for Outgoing DNS Packets100
- Displaying and Maintaining Ipv4 DNS101
- Ipv4 DNS Configuration Examples101
- Ipv6 DNS Configuration Examples106
- Troubleshooting Ipv4 DNS Configuration112
  - Symptom112
  - Solution112
- Troubleshooting Ipv6 DNS Configuration112
Configuring DDNS113
- Overview113
  - DDNS Application113
- DDNS Client Configuration Task List114
- Configuring a DDNS Policy114
  - Configuration Prerequisites116
  - Configuration Procedure116
- Applying the DDNS Policy to an Interface116
- Setting the DSCP Value for Outgoing DDNS Packets117
- Displaying DDNS117
- DDNS Configuration Examples118
  - DDNS Configuration Example with Www.3322.Org118
  - DDNS Configuration Example with Peanuthull Server119
Basic IP Forwarding on the Device121
- FIB Table121
- Displaying FIB Table Entries121
Configuring Load Sharing123
- Overview123
- Enabling Local-First Load Sharing123
- Load Sharing Configuration Example124
Configuring IRDP126
- Overview126
- Configuration Procedure127
- IRDP Configuration Example128
Optimizing IP Performance131
- Configuration Procedure131
- Configuration Example132
- Configuring MTU for an Interface132
- Configuring TCP MSS for an Interface133
- Configuring TCP Path MTU Discovery133
- Enabling TCP SYN Cookie134
- Configuring the TCP Buffer Size135
- Configuring TCP Timers135
- Enabling Sending ICMP Error Messages135
- Disabling Forwarding ICMP Fragments137
- Configuring Rate Limit for ICMP Error Messages137
- Specifying the Source Address for ICMP Packets137
- Configuring IP Virtual Fragment Reassembly138
  - Configuration Guidelines138
  - Configuration Procedure138
- Displaying and Maintaining IP Performance Optimization139
Configuring UDP Helper140
- Overview140
- Configuration Guidelines140
- Configuration Procedure140
- Displaying and Maintaining UDP Helper141
- UDP Helper Configuration Example141
Configuring Basic Ipv6 Settings143
- Overview143
- Ipv6 Transition Technologies149
  - Dual Stack150
  - Tunneling150
- Protocols and Standards150
- Ipv6 Basics Configuration Task List150
- Assigning Ipv6 Addresses to Interfaces151
- Configuring Ipv6 ND155
- Configuring a Customer-Side Port161
- Configuring Path MTU Discovery161
- Controlling Sending Icmpv6 Messages162
- Enabling a Device to Discard Ipv6 Packets that Contain Extension Headers165
- Displaying and Maintaining Ipv6 Basics165
- Basic Ipv6 Configuration Example167
- Troubleshooting Ipv6 Basics Configuration171
  - Symptom171
  - Solution171
Dhcpv6 Overview172
- Dhcpv6 Address/Prefix Assignment172
  - Rapid Assignment Involving Two Messages172
  - Assignment Involving Four Messages172
- Address/Prefix Lease Renewal173
- Stateless Dhcpv6174
- Protocols and Standards174
Configuring the Dhcpv6 Server175
- Overview175
- Configuration Task List178
- Configuring Ipv6 Prefix Assignment178
  - Configuration Guidelines179
  - Configuration Procedure179
- Configuring Ipv6 Address Assignment180
  - Configuration Guidelines180
  - Configuration Procedure180
- Configuring Network Parameters Assignment181
- Configuring the Dhcpv6 Server on an Interface182
  - Configuration Guidelines182
  - Configuration Procedure182
- Setting the DSCP Value for Dhcpv6 Packets Sent by the Dhcpv6 Server183
- Displaying and Maintaining the Dhcpv6 Server183
- Dhcpv6 Server Configuration Examples184
  - Dynamic Ipv6 Prefix Assignment Configuration Example184
  - Dynamic Ipv6 Address Assignment Configuration Example186
Configuring the Dhcpv6 Relay Agent189
- Overview189
- Configuration Guidelines190
- Configuration Procedure190
- Displaying and Maintaining the Dhcpv6 Relay Agent191
- Dhcpv6 Relay Agent Configuration Example191
Configuring the Dhcpv6 Client193
- Overview193
- Dhcpv6 Client Configuration Task List193
- Configuring Ipv6 Address Acquisition193
- Configuring Ipv6 Prefix Acquisition194
- Configuring Stateless Dhcpv6194
- Setting the DSCP Value for Dhcpv6 Packets Sent by the Dhcpv6 Client195
- Configuring the Dhcpv6 Client DUID195
- Displaying and Maintaining Dhcpv6 Client196
- Dhcpv6 Client Configuration Examples196
Configuring Dhcpv6 Snooping202
- Overview202
  - Application of Trusted and Untrusted Ports202
- HP Implementation of Option 18 and Option 37203
  - Option 18 for Dhcpv6 Snooping203
  - Dhcpv6 Snooping Support for Option 37204
- Dhcpv6 Snooping Configuration Task List204
- Configuring Basic Dhcpv6 Snooping205
- Configuring Option 18 and Option 37205
- Saving Dhcpv6 Snooping Entries206
- Setting the Maximum Number of Dhcpv6 Snooping Entries207
- Enabling Dhcpv6-REQUEST Check207
- Configuring Dhcpv6 Packet Rate Limit208
- Displaying and Maintaining Dhcpv6 Snooping208
- Dhcpv6 Snooping Configuration Example209
Configuring Tunneling211
- Overview211
- Tunneling Configuration Task List216
- Configuring a Tunnel Interface216
- Configuring an Ipv6 over Ipv4 Manual Tunnel217
  - Configuration Example218
- Configuring a 6To4 Tunnel220
  - Configuration Example221
- Configuring an ISATAP Tunnel223
  - Configuration Example224
- Configuring an Ipv4 over Ipv4 Tunnel226
  - Configuration Example227
- Configuring an Ipv4 over Ipv6 Tunnel229
  - Configuration Example230
- Configuring an Ipv6 over Ipv6 Tunnel232
  - Configuration Example233
- Displaying and Maintaining Tunneling235
- Troubleshooting Tunneling235
Configuring GRE237
- Overview237
- Configuring a GRE over Ipv4 Tunnel238
- Configuring a GRE over Ipv6 Tunnel240
- Displaying and Maintaining GRE242
- GRE Configuration Examples243
  - GRE over Ipv4 Tunnel Configuration Example243
  - GRE over Ipv6 Tunnel Configuration Example245
- Troubleshooting GRE248
Support and Other Resources250
- Contacting HP250
  - Subscription Service250
- Related Information250
  - Documents250
  - Websites250
- Conventions251

Other manuals for HP 6125XLG

Layer 3 - Ip Routing Configuration Guide492 pages

Command Reference466 pages

Ip Multicast Configuration Guide383 pages

Configuration Guide414 pages

Trill Configuration Guide29 pages

Installation Guide34 pages

Specification14 pages

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