IP Commands
OmniSwitch 6250 CLI Reference Guide November 2009 page 29-5
Defaults
Platforms Supported
OmniSwitch 6250
Usage Guidelines
• Use the no form of this command to remove an IP interface.
• IP multinetting is supported. As a result, it is possible to configure up to eight IP interfaces per VLAN.
Each interface is configured with a different subnet, thus allowing traffic from each configured subnet
to coexist on the same VLAN.
• Note that when Local Proxy ARP is enabled for any one IP router interface associated with a VLAN,
the feature is applied to the entire VLAN. It is not necessary to enable it for each interface. However, if
the IP interface that has this feature enabled is moved to another VLAN, Local Proxy ARP is enabled
for the new VLAN and must be enabled on another interface for the old VLAN.
• When Local Proxy ARP is enabled, all traffic is routed instead of bridged within the VLAN. ARP
requests return the MAC address of the IP router interface. Note that the same MAC address is
assigned to each interface configured for a VLAN.
• Local Proxy ARP takes precedence over any switch-wide ARP or Proxy ARP function. It is not neces-
sary to have Proxy ARP configured in order to use Local Proxy ARP. The two features are indepen-
dent of each other.
• By default, the first interface bound to a VLAN becomes the primary interface for that VLAN. Use the
primary keyword with this command to configure a different IP interface as the primary.
• To create an IP interface for network management purposes, specify Loopback0 (case sensitive) as the
name of the interface. The Loopback0 interface is not bound to any VLAN, so it will always remain
operationally active.
Examples
-> ip interface “Marketing”
-> ip interface “Payroll address” 18.12.6.3 vlan 255
-> ip interface “Human Resources” 10.200.12.101 vlan 500 no forward snap
-> ip interface “Distribution” 11.255.14.102 vlan 500 local-proxy-arp primary
parameter default
ip_address 0.0.0.0
subnet_mask IP address class
enable | disable enable
vid none (unbound)
forward | no forward forward
local-proxy-arp | no local-proxy-arp no local-proxy-arp
eth2 | snap eth2
primary | no primary First interface bound
to a VLAN.
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