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InterVlan routing on cisco 2811

edjbartos
Level 1
Level 1

I am trying to do intervlan routing on a cisco 2811 fitted with a HWIC 4ESW card. I have created 3 vlans each with a different subnet ip address. Can anyone give me advice on how i would go about doing intervlan routing? Thanks in advance.

20 Replies 20

Hello,

what does a 'show vlan' say ? Is Vlan 4 actually existing in your VLAN database ?

Also, can you post your configuration here again, as a reply to a post rather than as an attachment ?

Regards,

GNT

edjbartos
Level 1
Level 1

copy of my config and show vlan

interface FastEthernet0/0

description $ETH-LAN$$ETH-SW-LAUNCH$$INTF-INFO-FE 0/0$$ES_LAN$$FW_INSIDE$

ip address 82.110.135.1 255.255.255.128

no ip redirects

no ip unreachables

no ip proxy-arp

ip nat inside

ip route-cache flow

duplex auto

speed auto

no mop enabled

!

interface FastEthernet0/1

description $ES_WAN$$FW_OUTSIDE$

ip address 217.205.255.10 255.255.255.252

no ip redirects

no ip unreachables

no ip proxy-arp

ip nat outside

ip route-cache flow

duplex auto

speed auto

no mop enabled

!

interface FastEthernet0/0/0

!

interface FastEthernet0/0/1

switchport access vlan 4

spanning-tree portfast

!

interface FastEthernet0/0/2

switchport access vlan 2

spanning-tree portfast

!

interface FastEthernet0/0/3

switchport access vlan 3

spanning-tree portfast

!

interface Vlan1

no ip address

no ip redirects

no ip unreachables

no ip proxy-arp

ip route-cache flow

!

interface Vlan2

ip address 10.0.0.50 255.0.0.0

!

interface Vlan3

ip address 172.20.

!

interface Vlan4

ip address 172.23.3.100 255.255.0.0

!

ip classless

ip route 0.0.0.0 0.0.0.0 FastEthernet0/1

!

ip http server

ip http authentication local

ip http timeout-policy idle 5 life 86400 requests 10000

ip nat inside source list 1 interface FastEthernet0/1 overload

!

logging trap debugging

access-list 1 remark INSIDE_IF=FastEthernet0/0

access-list 1 remark SDM_ACL Category=2

access-list 1 permit 82.110.135.0 0.0.0.127

no cdp run

!

control-plane

!

banner login ^CAuthorized access only!

Disconnect IMMEDIATELY if you are not an authorized user!^C

!

line con 0

login local

transport output telnet

line aux 0

login local

transport output telnet

line vty 0 4

privilege level 15

login local

transport input telnet

line vty 5 15

privilege level 15

login local

transport input telnet

!

scheduler allocate 20000 1000

!

end

netgate03#netgate03#sh vlan-switch

VLAN Name Status Ports

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

1 default active Fa0/0/0

2 VLAN0002 active Fa0/0/2

3 VLAN0003 active Fa0/0/3

4 VLAN0004 active Fa0/0/1

5 VLAN0005 active

1002 fddi-default active

1003 token-ring-default active

1004 fddinet-default active

1005 trnet-default active

Hello,

the config looks ok...

What does a 'route print' on your laptops show ? Can you post the output from both laptops, as well as the output of 'ipconfig' from both laptops ?

Regards,

GNT

edjbartos
Level 1
Level 1

Vlan 4

>route print

===========================================================================

Interface List

0x1 ........................... MS TCP Loopback interface

0x2 ...00 0e 35 80 09 fa ...... Intel(R) PRO/Wireless 2200BG Network Connection

- Packet Scheduler Miniport

0x3 ...00 0d 60 7a e4 5d ...... Intel(R) PRO/1000 MT Mobile Connection - Packet

Scheduler Miniport

===========================================================================

===========================================================================

Active Routes:

Network Destination Netmask Gateway Interface Metric

127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1

172.23.0.0 255.255.0.0 172.23.3.101 172.23.3.101 20

172.23.3.101 255.255.255.255 127.0.0.1 127.0.0.1 20

172.23.255.255 255.255.255.255 172.23.3.101 172.23.3.101 20

224.0.0.0 240.0.0.0 172.23.3.101 172.23.3.101 20

255.255.255.255 255.255.255.255 172.23.3.101 172.23.3.101 1

255.255.255.255 255.255.255.255 172.23.3.101 2 1

===========================================================================

Persistent Routes:

None

C:\Documents and Settings\eddieb>ipconfig

Windows IP Configuration

Ethernet adapter Wireless Network Connection:

Media State . . . . . . . . . . . : Media disconnected

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . :

IP Address. . . . . . . . . . . . : 172.23.3.101

Subnet Mask . . . . . . . . . . . : 255.255.0.0

Default Gateway . . . . . . . . . :

Vlan 2

>route print

===========================================================================

Interface List

0x1 ........................... MS TCP Loopback interface

0x2 ...00 09 6b d0 1d 0d ...... Intel(R) PRO/100 VE Network Connection - Packet

Scheduler Miniport

0x3 ...00 0d 54 99 2b 4a ...... 3Com 3CRPAG175 Wireless LAN PC Card - Packet Sch

eduler Miniport

===========================================================================

===========================================================================

Active Routes:

Network Destination Netmask Gateway Interface Metric

10.0.0.0 255.0.0.0 10.0.0.51 10.0.0.51 20

10.0.0.51 255.255.255.255 127.0.0.1 127.0.0.1 20

10.255.255.255 255.255.255.255 10.0.0.51 10.0.0.51 20

127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1

224.0.0.0 240.0.0.0 10.0.0.51 10.0.0.51 20

255.255.255.255 255.255.255.255 10.0.0.51 10.0.0.51 1

255.255.255.255 255.255.255.255 10.0.0.51 3 1

===========================================================================

Persistent Routes:

None

C:\Documents and Settings\administrator.FLLP>ipconfig

Windows IP Configuration

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . :

IP Address. . . . . . . . . . . . : 10.0.0.51

Subnet Mask . . . . . . . . . . . : 255.0.0.0

Default Gateway . . . . . . . . . :

Ethernet adapter Wireless Network Connection 4:

Media State . . . . . . . . . . . : Media disconnected

You need default a gateway configured on each laptop.

mmoris hit it on the head , you cannot get off your attached subnet with a default gateway on each user nic card . The gateway will be the defined router address for each subnet.

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