OmniSwitch AOS Release 8 Network Configuration Guide December 2017 page 15-1
15 Configuring IP
Internet Protocol (IP) is primarily a network-layer (Layer 3) protocol that contains addressing and control
information that enables packets to be forwarded. Along with Transmission Control Protocol (TCP), IP
represents the heart of the Internet protocols. IP has two primary responsibilities, providing
connectionless, best-effort delivery of datagrams through an internetwork; and providing fragmentation
and reassembly of datagrams to support data links with different Maximum Transmission Unit (MTU)
sizes.
Two versions of Internet Protocol are supported - IPv4 and IPv6. For more information about using IPv6,
see Chapter 17, “Configuring IPv6.”
In This Chapter
This chapter describes IP and how to configure it through the Command Line Interface (CLI). It includes
instructions for enabling IP forwarding, configuring IP route maps, as well as basic IP configuration
commands (for example, ip default-ttl). CLI commands are used in the configuration examples; for more
details about the syntax of commands, see the OmniSwitch AOS Release 8 CLI Reference Guide. This
chapter provides an overview of IP and includes information about the following procedures:
• IP Forwarding
– Configuring an IP Interface (see page 15-7)
– Configuring an IP Managed Interface (see page 15-10)
– Creating a Static Route or Recursive Static Route (see page 15-11)
– Creating a Default Route (see page 15-12)
– Configuring an IP Routed Port (see page 15-12)
– Configuring Address Resolution Protocol (ARP) (see page 15-13)
– Distributed ARP (see page 15-16)
• IP Configuration
– Configuring the Router Primary Address (see page 15-19)
– Configuring the Router ID (see page 15-19)
– Configuring the Time-to-Live (TTL) Value (see page 15-20)
– Configuring Route Map Redistribution (see page 15-20)
– IP-Directed Broadcasts (see page 15-26)
– Protecting the Switch from Denial of Service (DoS) attacks (see page 15-26)
Note. IP routing (Layer 3) can be accomplished using static routes or by using one of the IP routing
protocols, Routing Information Protocol (RIP) and Open Shortest Path First (OSPF). For more information
on these protocols see Chapter 19, “Configuring RIP,” in this manual; or “Configuring OSPF” in the
OmniSwitch AOS Release 8 Advanced Routing Configuration Guide.
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