B
ASIC
IP I
NTERFACE
C
ONFIGURATION
17-5
Non-IP Protocol Routing
The switch supports IP routing only. Non-IP protocols such as IPX and
Appletalk cannot be routed by this switch, and will be confined within
their local VLAN group unless bridged by an external router.
To coexist with a network built on multilayer switches, the subnetworks for
non-IP protocols must follow the same logical boundary as that of the IP
subnetworks. A separate multi-protocol router can then be used to link the
subnetworks by connecting to one port from each available VLAN on the
network.
Basic IP Interface Configuration
To allow routing between different IP subnets, you must enable IP Routing
as described in this section. You also need to you define a VLAN for each
IP subnet that will be connected directly to this switch. Note that you must
first create a VLAN as described under “Creating VLANs” on page 11-8
before configuring the corresponding subnet. Remember that if you need
to manage the switch in-band then you must define the IP subnet address
for at least one VLAN.
Command Attributes
• IP Routing Status – Configures the switch to operate as a Layer 2
switch or as a multilayer routing switch. (Options: Disable this field to
restrict operation to Layer 2 switching; enable it to allow multilayer
operation at either Layer 2 or 3 as required.)
- This command affects both static and dynamic unicast routing.
- If IP routing is enabled, all IP packets are routed using either static
routing or dynamic routing via RIP, and other packets for all non-IP
protocols (e.g., NetBuei, NetWare or AppleTalk) are switched based
on MAC addresses. If IP routing is disabled, all packets are switched,
with filtering and forwarding decisions based strictly on MAC
addresses.
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