Owner's Manual

872 Configuring Routing Interfaces
Default Routing Interface Values
By default, no routing interfaces are configured.
When you create a VLAN, no IP address is configured, and DHCP is disabled.
After you configure an IP address on a VLAN or loopback interface, routing is
automatically enabled on the VLAN interface, and the interface has the
default configuration shown in Table 31-1.
Most interface configuration parameters are not applicable to loopback
interfaces, so you cannot change the default values. However, when you create
a loopback interface, the default values are similar to those of VLAN routing
interfaces, as Table 31-1 shows.
When you create a tunnel, it has the default values shown in Table 31-2
Table 31-1. VLAN Routing Interface and Loopback Interface Defaults
Parameter Default Value
Forward Net Directed Broadcasts Disabled
Encapsulation Type Ethernet (N/A for loopbacks)
Proxy Arp Enabled
Local Proxy Arp Disabled
IP MTU 1500
Bandwidth Not configured.
Destination Unreachables Enabled
ICMP Redirects Enabled
Table 31-2. Tunnel Interface Defaults
Parameter Default Value
Tunnel mode 6-in-4 configured
Link Local Only Mode Disabled
Source address None
Destination address 0.0.0.0