Configuring IP InterVLAN Routing on the RSM

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Configuring IP InterVLAN Routing on the RSM

作者：佚名来源：www.pccode.net 整理发布时间：2006-3-12 22:09:09 发布人：wongrs

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. O

n 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 domai

n 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 '^]'.

Router>enable

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)#

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan3, changed state to down

Router(config-if)#ip address 172.20.52.65 255.255.255.224

Router(config-if)#no shutdown

Router(config-if)#

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan3, changed state to up

Router(config-if)#

%LINK-3-UPDOWN: Interface Vlan3, changed state to up

Router(config-if)#interface vlan 4

Router(config-if)#

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan4, changed state to down

Router(config-if)#ip address 172.20.52.97 255.255.255.224

Router(config-if)#no shutdown

Router(config-if)#

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan4, changed state to up

Router(config-if)#

%LINK-3-UPDOWN: Interface Vlan4, changed state to up

Router(config-if)#exit

Router(config)#^Z

Router#

%SYS-5-CONFIG_I: Configured from console by vty0 (127.0.0.2)

Router#copy running-config startup-config

Building configuration...

[OK]

Router#

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