- About This Document
- IP Address Configuration
- ARP Configuration
- Overview of ARP
- Understanding ARP
- Summary of ARP Configuration Tasks
- Licensing Requirements and Limitations for ARP
- Default Settings for ARP
- Configuring ARP
- Adjusting Aging Parameters of Dynamic ARP Entries
- Configuring Static ARP
- Optimizing Dynamic ARP
- Configuring Proxy ARP
- Configuring Multi-Interface ARP
- Configuring Dynamic Learning of ARP Entries with Multicast MAC Addresses
- Configuring ARP Unicast Probe
- Configuring ARP-Ping
- Configuring the Scheduled ARP Refresh Function
- Maintaining ARP
- Configuration Examples for ARP
- FAQ About ARP
- References for ARP
- DHCP Configuration
- Overview of DHCP
- Key Concepts of DHCP
- How DHCP Works
- Licensing Requirements and Limitations for DHCP
- Configuring DHCP
- Configuration Examples for DHCP
- Example for Configuring the Device as a DHCP Server (Based on the Interface Address Pool)
- Example for Configuring the DHCP Server to Allocate Different Network Parameters to Dynamic Clients and Static Clients in the Global Address Pool
- Example for Configuring a DHCP Server in a Super-VLAN
- Example for Configuring a DHCP Server Based on the Global Address Pool on the Same Network Segment in HSB Networking
- Example for Configuring the Device as a DHCP Relay (Relay and Server Are Located on the Same Network)
- Example for Configuring a Device as the DHCP Relay Agent (Connected to the DHCP Server Across a BGP/MPLS IP VPN Tunnel)
- Example for Configuring a DHCP Client
- Example for Configuring a BOOTP Client
- Troubleshooting DHCP
- FAQ About DHCP
- How Can I Prevent the Auto-Config Function from Periodically Clearing DHCP-related Configurations on the Device?
- How Can I Ensure that a DHCP Client Selects the Correct DHCP Server?
- When Both the DHCP Server and Relay Functions Are Enabled on an Interface, Which Function Is Processed Preferentially?
- Why Does an IP address in an Address Pool Fail to Be Statically Bound?
- How Can I Import the DNS Server IP Address That the Device Obtains from the Upstream Network into an Address Pool?
- When router Functions as a DHCP Server, Can the DHCP Server Select an Address Pool Based on the Secondary IP Address?
- References for DHCP
- DNS Configuration
- Overview of DNS
- Understanding DNS
- Application Scenarios for DNS
- Licensing Requirements and Limitations for DNS
- Configuring a Device as a DNS Client
- Configuring a Device as a DNS Proxy/Relay
- Configuring a DDNS Client
- Maintaining DNS
- Configuration Examples for DNS
- Example for Configuring the DNS Client
- Example for Configuring DNS Proxy
- Example for Configuring the DDNS Client (Using the Update Mode Defined by the RFC2136)
- Example for Configuring the DDNS Client (Using the Update Mode Implemented Through the DDNS Service Provider www.oray.cn That Are Used as the DDNS Server)
- Example for Configuring a DDNS Client (Using the Update Mode Implemented Through the Siemens DDNS Server)
- Example for Configuring Association Between the DNS Server and NQA
- Troubleshooting DNS
- References for DNS
- NAT Configuration
- Overview of NAT
- Understanding NAT
- Application Scenarios for NAT
- Summary of NAT Configuration Tasks
- Licensing Requirements and Limitations for NAT
- Configuring Dynamic NAT
- Configuring ACL Rules
- Configuring Outbound NAT
- (Optional) Enabling NAT ALG
- (Optional) Configuring the SIP Call Bandwidth Limit on a NAT Device
- (Optional) Configuring NAT Filtering and NAT Mapping
- (Optional) Configuring Twice NAT
- (Optional) Configuring NAT Log Output
- (Optional) Configuring the Aging Time of NAT Mapping Entries
- (Optional) Enabling NAT Service Priority
- (Optional) Enabling the Function of Discarding Packets That Do Not Match ACL Rules
- Verifying the Dynamic NAT Configuration
- Configuring Static NAT
- Configuring Static Address Mapping
- (Optional) Enabling NAT ALG
- (Optional) Configuring the SIP Call Bandwidth Limit on a NAT Device
- (Optional) Configuring DNS Mapping
- (Optional) Configuring NAT Filtering and NAT Mapping
- (Optional) Configuring Twice NAT
- (Optional) Configuring NAT Log Output
- (Optional) Configuring the Aging Time of NAT Mapping Entries
- (Optional) Enabling NAT Service Priority
- (Optional) Enabling the Function of Discarding Packets That Do Not Match ACL Rules
- Verifying the Static NAT Configuration
- Configuring an Internal NAT Server
- Configuring Internal NAT Server
- (Optional) Enabling NAT ALG
- (Optional) Configuring the SIP Call Bandwidth Limit on a NAT Device
- (Optional) Configuring DNS Mapping
- (Optional) Configuring NAT Filtering and NAT Mapping
- (Optional) Configuring Twice NAT
- (Optional) Configuring NAT Log Output
- (Optional) Configuring the Aging Time of NAT Mapping Entries
- (Optional) Enabling NAT Service Priority
- (Optional) Enabling the Function of Discarding Packets That Do Not Match ACL Rules
- Verifying the Internal NAT Server Configuration
- Maintaining NAT
- Configuration Examples for NAT
- Troubleshooting NAT
- FAQ About NAT
- Does NAT Support VPN Multi-Instance?
- How Do I View the NAT Session Table?
- How Do I Forcibly Age NAT Session Tables?
- Can the Global Address of the NAT Server Be an Address in the NAT Address Pool?
- How Can I Enable NAT Log and Set a Log Interval?
- How Can I Set the Aging Time of the Traffic Forwarding Table?
- Users on an Internal Network Cannot Access Internal Servers Using Domain Names. Why?
- Private Network User and Server Are in the Same VLAN. After NAT Server Is Configured on the VLANIF Interface, Why Cannot the User Access the Server Using Public Address?
- What Are the Differences Between NAT Server and NAT Static Modes?
- An External Phone Fails to Register With the SIP Server After a NAT Server Is Configured on the Outbound Interfaces of the Device Functioning as a SIP Server
- What Are Differences of Easy IP and Address Pool?
- Which Interfaces Support NAT?
- Public Address Cannot Be Pinged When NAT Is Configured on the Device as the Egress Gateway. How Do I Solve the Problem?
- What Should I Do If the CPU Usage Is High After DNS Mapping Is Configured
- References for NAT
- UDP Helper Configuration
- IP Performance Configuration
- Overview of IP Performance
- Default Settings for IP Performance
- Licensing Requirements and Limitations for IP Performance
- Optimizing IP Performance
- Configuring Source IP Addresses Verification
- Configuring an Outbound Interface to Fragment IP Packets
- Configuring Virtual Fragment Reassembly of IP Packets
- Configuring Unequal Cost Multiple Path
- Configuring the Device to Process IP Packets with Options
- Configuring the Enhanced Forwarding Function for Control Packets Generated by the Device
- Disabling the Routing and Forwarding Function on High-end LAN Cards
- Configuring ICMP properties
- Configuring TCP Properties
- Configuring a Traffic Load Balancing Mode
- Verifying the IP Performance Configuration
- Clearing IP Performance Statistics
- FAQ About IP Performance
- Basic IPv6 Configuration
- Overview of IPv6
- Understanding IPv6
- Licensing Requirements and Limitations for IPv6
- Default Settings for IPv6
- Configuring IPv6 Addresses for Interfaces
- Configuring ICMPv6 Packet Control
- Configuring IPv6 Neighbor Discovery
- Configuring PMTU
- Configuring TCP6
- Configuring the Enhanced Forwarding Function for IPv6 Control Packets Generated by the Device
- Maintaining IPv6
- Configuration Examples for IPv6
- FAQ About IPv6
- References for IPv6
- DHCPv6 Configuration
- Overview of DHCPv6
- Understanding DHCPv6
- Application Scenarios for DHCPv6
- Default Settings for DHCPv6
- Licensing Requirements and Limitations for DHCPv6
- Configuring a DHCPv6 Server
- Configuring the DHCPv6 DUID
- Configuring an IPv6 Address Pool
- (Optional) Configuring Network Server Addresses for the IPv6 Address Pool
- (Optional) Configuring the Options of an IPv6 Address Pool
- (Optional) Configuring the DHCPv6 Data Saving Function
- Enabling the DHCPv6 Server Function
- (Optional) Configuring the DHCPv6 Message Rate Limit and Alarm Function of DHCPv6 Messages Discarded
- (Optional) Configuring the Function of Recording a Log When an IPv6 Address or Prefix Is Allocated
- Verifying the DHCPv6 Server Configuration
- Configuring a DHCPv6 PD Server
- Configuring the DHCPv6 DUID
- Configuring an IPv6 PD Address Pool
- (Optional) Configuring Network Server Addresses for the IPv6 Address Pool
- (Optional) Configuring the Options of an IPv6 Address Pool
- (Optional) Configuring the DHCPv6 Data Saving Function
- Enabling the DHCPv6 PD Server Function
- (Optional) Configuring the DHCPv6 Message Rate Limit and Alarm Function of DHCPv6 Messages Discarded
- Verifying the DHCPv6 PD Server Configuration
- Configuring a DHCPv6 Relay Agent
- Configuring the DHCPv6 DUID
- Configuring the DHCPv6 Relay Function
- (Optional) Inserting the Interface-ID or Remote-ID Option Information into DHCPv6 Messages
- (Optional) Configuring the Function of Inserting the Option79 Field into DHCPv6 Messages
- (Optional) Configuring the DHCPv6 Message Rate Limit and Alarm Function of DHCPv6 Messages Discarded
- Verifying the DHCPv6 Relay Agent Configuration
- Configuring a DHCPv6 Client
- Configuring a DHCPv6 PD Client
- Maintaining DHCPv6
- Configuration Examples for DHCPv6
- Example for Configuring a DHCPv6 Server
- Example for Configuring a DHCPv6 PD Server
- Example for Configuring a DHCPv6 Relay to Assign IPv6 Addresses to the Clients in One Network Segment Connected to the Relay
- Example for Configuring a DHCPv6 Relay to Assign IPv6 Addresses to the Clients in Multiple Network Segments Connected to the Relay
- Example for Configuring a DHCPv6 PD Client
- Example for Configuring a DHCPv6 Client
- References for DHCPv6
- IPv6 DNS configuration
- IPv6 over IPv4 Tunnel Configuration
- Overview of IPv6 over IPv4 Tunnels
- Understanding IPv6 over IPv4 Tunnels
- Licensing Requirements and Limitations for IPv6 over IPv4 Tunnels
- Configuring an IPv4/IPv6 Dual Stack
- Configuring an IPv6 over IPv4 Tunnel
- Monitoring the Running Status of the IPv6 over IPv4 Tunnel
- Configuration Examples for IPv6 over IPv4 Tunnels
- IPv4 over IPv6 Tunnel Configuration