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Configuring the Module for InterVLAN Routing
Monitoring Operations on the Gigabit Ethernet Interfaces
To verify the settings after you have configured the Gigabit Ethernet interfaces, use the show interface
command. The output from the show interface command shown below displays the interface status and
global parameters and includes port speed and duplex operation:
4232-L3# show interface g3
Gigabit Ethernet3 is up, line protocol is up
Hardware is xpif_port, address is 0050.3e7b.e907 (bia 0050.3e7b.e907)
Internet address is 11.0.0.2/8
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, rely 255/255, load 1/255
Encapsulation ARPA, loopback not set, keepalive set (10 sec)
Full-duplex, 1000Mb/s, GBIC connected, Force link-up
ARP type:ARPA, ARP Timeout 04:00:00
Last input 03:27:17, output never, output hang never
Last clearing of "show interface" counters never
Queueing strategy:fifo
Output queue 0/40, 0 drops; input queue 0/75, 0 drops
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
945 packets input, 320796 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 watchdog, 927 multicast
0 input packets with dribble condition detected
943 packets output, 319527 bytes, 0 underruns(0/0/0)
0 output errors, 0 collisions, 0 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
Configuring the Module for InterVLAN Routing
These sections describe how to configure the Layer 3 Services module for interVLAN routing:
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Before you begin to configure the Catalyst 4000 Layer 3 Services module, acquire the
Note
correct network addresses, such as IP addresses for the Catalyst 4000 Layer 3 Services
module interfaces, from your system administrator, or consult your network plan to
determine correct addresses.
Overview of InterVLAN Routing
Network devices in different VLANs cannot communicate with one another without a router to route
traffic between the VLANs. In most network environments, VLANs are associated with individual
networks or subnetworks.
Installation and Configuration Note for the Catalyst 4000 Layer 3 Services Module
44
Overview of InterVLAN Routing, page 44
Configuration Overview, page 45
Configuring Layer 2 Ethernet and Gigabit Ethernet Ports, page 46
Configuring the Layer 3 Gigabit Ethernet Ports, page 54
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