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Configuring IP InterVLAN Routing on the RSM

王朝other·作者佚名  2008-05-31
窄屏简体版  字體: |||超大  

Step 1 (Optional) Enable IP routing on the router1.

ip routing

Step 2 (Optional) Specify an IP routing protocol2.

router ip_routing_protocol

Step 3 Specify a VLAN interface on the RSM.

interface vlan-id

Step 4 Assign an IP address to the VLAN.

ip address n.n.n.n mask

Step 5 Exit configuration mode.

Ctrl-Z

This example shows how to enable IP routing on the RSM, create a VLAN interface, and assign the interface an IP address:

Router#configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#ip routing

Router(config)#router rip

Router(config-router)#network 10.0.0.0

Router(config-router)#interface vlan 100

Router(config-if)#ip address 10.1.1.1 255.0.0.0

Router(config-if)#^Z

Router#

Configuring IP InterVLAN Routing on an External Ro

Step 1 (Optional) Enable IP routing on the router1.

ip routing

Step 2 (Optional) Specify an IP routing protocol2.

router ip_routing_protocol

Step 3 Create a subinterface on a physical interface.

interface interface_type interface_number.subinterface-_number

Step 4 Specify the encapsulation and VLAN number to use on the subinterface.

encapsulation encapsulation_type vlan_id

Step 5 Assign an IP address to the subinterface.

ip address n.n.n.n mask

Step 6 Repeat Steps 3-5 for each VLAN between which you want to route traffic.

Step 7 Exit configuration mode.

Ctrl-Z

This example shows how to enable IP routing on the router, create two subinterfaces, and specify the encapsulation, VLAN number, and IP address for each subinterface:

Cisco7505#configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Cisco7505(config)#ip routing

Cisco7505(config)#router rip

Cisco7505(config-router)#network 10.0.0.0

Cisco7505(config-router)#interface fastethernet2/0.100

Cisco7505(config-subif)#encapsulation isl 100

Cisco7505(config-subif)#ip address 10.10.1.1 255.255.0.0

Cisco7505(config-router)#interface fastethernet2/0.200

Cisco7505(config-subif)#encapsulation isl 200

Cisco7505(config-subif)#ip address 10.20.1.1 255.255.0.0

Cisco7505(config-subif)#^Z

Cisco7505#

InterVLAN Routing Configuration Examples

[[The No.1 Picture.]]

配置步骤

1. Configure Switch A as a VTP server and assign a VTP domain name.

2. Configure Switch B and Switch C as VTP clients and assign the same VTP domain name.

3. Configure ISL trunk links between the switches.

4. Create the VLANs on Switch A (the VLAN information is propagated to Switch B and Switch C through VTP).

5. Assign the switch ports on each switch to the appropriate VLAN.

6. On the RSM, create one VLAN interface for each VLAN configured on Switch A.

7. Assign IP addresses to the VLAN interfaces.

Switch A Configuration

This example shows how to configure Switch A:

SwitchA (enable) set trunk 1/1 desirable

Port(s) 1/1 trunk mode set to desirable.

SwitchA (enable) %DTP-5-TRUNKPORTON:Port 1/1 has become isl trunk

%PAGP-5-PORTTOSTP:Port 1/1 joined bridge port 1/1

%PAGP-5-PORTFROMSTP:Port 1/1 left bridge port 1/1

%PAGP-5-PORTTOSTP:Port 1/1 joined bridge port 1/1

SwitchA (enable) set vtp domain Corporate

VTP domain Corporate modified

SwitchA (enable) set vtp mode server

VTP domain Corporate modified

SwitchA (enable) set vlan 2 name Engineering

Vlan 2 configuration sUCcessful

SwitchA (enable) set vlan 3 name Marketing

Vlan 3 configuration successful

SwitchA (enable) set vlan 4 name Accounting

Vlan 4 configuration successful

SwitchA (enable) set vlan 2 3/1

VLAN 2 modified.

VLAN 1 modified.

VLAN Mod/Ports

---- -----------------------

2 3/1

SwitchA (enable) set vlan 3 3/2

VLAN 3 modified.

VLAN 1 modified.

VLAN Mod/Ports

---- -----------------------

3 3/2

SwitchA (enable) set vlan 4 3/3

VLAN 4 modified.

VLAN 1 modified.

VLAN Mod/Ports

---- -----------------------

4 3/3

SwitchA (enable)

Switch B Configuration

This example shows how to configure Switch B:

SwitchB (enable) set trunk 1/2 desirable

Port(s) 1/2 trunk mode set to desirable.

SwitchB (enable) %DTP-5-TRUNKPORTON:Port 1/2 has become isl trunk

%PAGP-5-PORTTOSTP:Port 1/2 joined bridge port 1/2

%PAGP-5-PORTFROMSTP:Port 1/2 left bridge port 1/2

%PAGP-5-PORTTOSTP:Port 1/2 joined bridge port 1/2

SwitchB (enable) set vtp domain Corporate

VTP domain Corporate modified

SwitchB (enable) set vtp mode client

VTP domain Corporate modified

SwitchB (enable) set vlan 2 3/1

VLAN 2 modified.

VLAN 1 modified.

VLAN Mod/Ports

---- -----------------------

2 3/1

SwitchB (enable) set vlan 3 3/2

Vlan 3 configuration successful

VLAN 3 modified.

VLAN 1 modified.

VLAN Mod/Ports

---- -----------------------

3 3/2

SwitchB (enable) set vlan 4 3/3

Vlan 4 configuration successful

VLAN 4 modified.

VLAN 1 modified.

VLAN Mod/Ports

---- -----------------------

4 3/3

SwitchB (enable)

Switch C Configuration

This example shows how to configure Switch C:

SwitchB (enable) set vtp domain Corporate

VTP domain Corporate modified

SwitchB (enable) set vtp mode client

VTP domain Corporate modified

SwitchB (enable) set vlan 2 3/1

VLAN 2 modified.

VLAN 1 modified.

VLAN Mod/Ports

---- -----------------------

2 3/1

SwitchB (enable) set vlan 3 3/2

Vlan 3 configuration successful

VLAN 3 modified.

VLAN 1 modified.

VLAN Mod/Ports

---- -----------------------

3 3/2

SwitchB (enable) set vlan 4 3/3

Vlan 4 configuration successful

VLAN 4 modified.

VLAN 1 modified.

VLAN Mod/Ports

---- -----------------------

4 3/3

SwitchB (enable)

RSM Configuration

This example shows how to configure the RSM:

SwitchA (enable) session 5

Trying Router-5...

Connected to Router-5.

Escape character is '^]'.

Routerenable

Router#configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#interface vlan 2

Router(config-if)#

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan2, changed state to down

Router(config-if)#ip address 172.20.52.33 255.255.255.224

Router(config-if)#no shutdown

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan2, changed state to up

Router(config-if)#interface vlan 3

Router(config-if)#

 
 
 
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