Specifications

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Cisco Nexus 3000 Series NX-OS Unicast Routing Configuration Guide, Release 5.0(3)U2(2)
OL-25782-02
Chapter 2 Configuring IPv4
Default Settings
• If the Cisco Nexus 3000 switch is used as a Layer 2 or Layer 3 termination switch, Cisco
recommends that you set the mac-address-table-aging-time to 1800 (higher than the default ARP
aging time of 1500 seconds) on all VLANs.
• The Cisco Nexus 3000 switch does not support per-VLAN cam aging timers.
Default Settings
Table 2-1 lists the default settings for IP parameters.
Configuring IPv4
This section includes the following topics:
• Configuring IPv4 Addressing, page 2-7
• Configuring Multiple IP Addresses, page 2-9
• Configuring a Static ARP Entry, page 2-9
• Configuring Proxy ARP, page 2-10
• Configuring Local Proxy ARP, page 2-11
• Configuring IP Directed Broadcasts, page 2-13
• Configuring IP Glean Throttling, page 2-14
• Configuring the Hardware IP Glean Throttle Maximum, page 2-15
• Configuring a Hardware IP Glean Throttle Timeout, page 2-16
• Configuring the Hardware IP Glean Throttle Syslog, page 2-17
Note If you are familiar with the Cisco IOS CLI, be aware that the Cisco NX-OS commands for this feature
might differ from the Cisco IOS commands that you would use.
Configuring IPv4 Addressing
You can assign a primary IP address for a network interface.
SUMMARY STEPS
1. configure terminal
2. interface ethernet number
3. no switchport
Table 2-1 Default IP Parameters
Parameters Default
ARP timeout 1500 seconds
proxy ARP disabled