Allied Telesis Rapier Switch - Manual (Page 69)

Layer 3 Switching 69
Software Release 2.5.1
C613-02025-00 REV B
Chapter 5
Layer 3 Switching
The Rapier switch provides Layer 3 switching and routing over VLANs. Once
a VLAN has been created (see “Virtual Local Area Networks (VLANs)” on
page 38), the VLAN name can be used wherever a logical interface is required
in commands for configuring routing protocols.
VLAN names are of the form:
VLAN-vlanname
or
VLANn
where vlanname is the manager-assigned name of the VLAN, and n is the
VLAN identifier (VID).
For example, if a VLAN is created using the command:
CREATE VLAN=admin VID=11
then the following names can be used to identify the VLAN in routing
commands:
vlan-admin
vlan11
The following sections illustrate the use of VLANs for IP, RIP, IPX, AppleTalk
and RSVP. For a complete description of all the protocols supported by the
switch, see the Rapier Switch Software Reference.
Internet Protocol (IP)
The switch performs IP routing at wire speed between VLANs. To add the
admin VLAN as an IP interface, firstly enable IP using the command:
ENABLE IP
Then use either of the following commands:
ADD IP INTERFACE=vlan-admin
ADD IP INTERFACE=vlan11
The command:
SHOW IP INTERFACE
displays the interfaces enabled for IP routing (Figure 6 on page 70).