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vlan routing same switch 3550-12T

MHSITServices
Level 1
Level 1

I'm having some problems setting up vlans to talk to each other on a 3550-12T switch.

Its quite a simple setup I have, but I need to split my network up.

Currently I have a network of 192.168.25.0 255.255.255.0

I want to create a new vlan network of 192.168.30.0 255.255.255.0

So I have configured my vlan1 (default vlan) to have an ip of 192.168.25.250 for getting to the management page

I have created a vlan2 of 192.168.30.1 255.255.255.0

I have a port 10 linked to one of my 3560G's

In port 9 which is on vlan2 I have my pc plugged in with a static ip of 192.168.30.50

from the router I can ping any device on 192.168.25.x

I can not ping 192.168.30.1 (which is my vlan2) nor can i ping the PC

I have enabled ip routing

But I dont have a default route, this is becase we don't have a router on the network,

Any suggestions, I'm not a cisco person by trade and I'm a little out of my comfort zone

18 Replies 18

Reza Sharifi
Hall of Fame
Hall of Fame

Is 3550-12T connected to 3560G?

when you say "my pc plugged in with a static ip of 192.168.30.50"

so, is your pc onnected to the 3560G or 3550-12T?

from the router I can ping any device on 192.168.25.x

What device is the router?

Is that a separate device or one of the switches?

Perhaps, you can post simple diagram on how everything is connected together including your PC to help us help you.

HTH

my pc is plugged into the 3550

I do not have a router, we have a box of tricks that links are network.

I'm only interested currently on getting the 192.168.30.x network to speak to the 192.168.25.x network

So, both vlans are on the same switch right?

Do you have both SVIs for vlan 1 and 2

try these and post the output:

sh run int vlan 1

and

sh run int vlan 2

then see if the interfcese are in up and up mode

try these and post the output:

sh ip int bri vlan 1

and

sh ip int bri vlan 2

also

sh vlan

here it is,

interface Vlan2

ip address 192.168.30.1 255.255.255.0

end

Switch#show ip int bri vlan 1

Interface                  IP-Address      OK? Method Status                Prot

ocol

Vlan1                      192.168.25.250  YES manual up                    up

Switch#

Switch#show ip int bri vlan 2

Interface                  IP-Address      OK? Method Status                Prot

ocol

Vlan2                      192.168.30.1    YES manual up                    up

Switch#

VLAN Name                             Status    Ports

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

1    default                          active    Gi0/1, Gi0/2, Gi0/3, Gi0/4

                                                Gi0/5, Gi0/6, Gi0/7, Gi0/8

                                                Gi0/10, Gi0/11, Gi0/12

2    2                                active    Gi0/9

3    VLAN0003                         active

10   VLAN0010                         active

1002 fddi-default                     active

1003 token-ring-default               active

1004 fddinet-default                  active

1005 trnet-default                    active

VLAN Type  SAID       MTU   Parent RingNo BridgeNo Stp  BrdgMode Trans1 Trans2

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

1    enet  100001     1500  -      -      -        -    -        1002   1003

2    enet  10000      1500  -      -      -        -    -        0      0

3    enet  100003     1500  -      -      -        -    -        0      0

10   enet  100010     1500  -      -      -        -    -        0      0

1002 fddi  101002     1500  -      -      -        -    -        1      1003

1003 tr    101003     1500  1005   0      -        -    srb      1      1002

1004 fdnet 101004     1500  -      -      1        ibm  -        0      0

VLAN Type  SAID       MTU   Parent RingNo BridgeNo Stp  BrdgMode Trans1 Trans2

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

1005 trnet 101005     1500  -      -      1        ibm  -        0      0

Switch#

ok,

what is the IOS image you are running?

can you post sh ver

Does the PC have the correct default gateway (192.168.30.1)?

I did not have a gateway set.

This is set now.

So I can ping vlan2, I can not from my pc get out to vlan1

sh ver

Cisco Internetwork Operating System Software

IOS (tm) C3550 Software (C3550-I5Q3L2-M), Version 12.1(4)EA1d, RELEASE SOFTWARE (fc1)

Copyright (c) 1986-2001 by cisco Systems, Inc.

Compiled Fri 17-Aug-01 12:58 by antonino

Image text-base: 0x00003000, data-base: 0x005F2C0C

ROM: Bootstrap program is C3550 boot loader

Switch uptime is 1 hour, 12 minutes

System returned to ROM by power-on

System image file is "flash:c3550-i5q3l2-mz.121-4.EA1d/c3550-i5q3l2-mz.121-4.EA1d.bin"

cisco WS-C3550-12T (PowerPC) processor (revision 04) with 65526K/8192K bytes of memory.

Processor board ID FAA0538S040

Last reset from warm-reset

Bridging software.

Running Layer2/3 Switching Image

Ethernet-controller 1 has 1 Gigabit  Ethernet/IEEE 802.3 interfaces

--More--                           Ethernet-controller 2 has 1 Gigabit  Ethernet/IEEE 802.3 interfaces

Ethernet-controller 3 has 1 Gigabit  Ethernet/IEEE 802.3 interfaces

Ethernet-controller 4 has 1 Gigabit  Ethernet/IEEE 802.3 interfaces

Ethernet-controller 5 has 1 Gigabit  Ethernet/IEEE 802.3 interfaces

Ethernet-controller 6 has 1 Gigabit  Ethernet/IEEE 802.3 interfaces

Ethernet-controller 7 has 1 Gigabit  Ethernet/IEEE 802.3 interfaces

Ethernet-controller 8 has 1 Gigabit  Ethernet/IEEE 802.3 interfaces

Ethernet-controller 9 has 1 Gigabit  Ethernet/IEEE 802.3 interfaces

Ethernet-controller 10 has 1 Gigabit  Ethernet/IEEE 802.3 interfaces

Ethernet-controller 11 has 1 Gigabit  Ethernet/IEEE 802.3 interfaces

Ethernet-controller 12 has 1 Gigabit  Ethernet/IEEE 802.3 interfaces

12 Gigabit Ethernet/IEEE 802.3 interface(s)

--More--                          

32K bytes of flash-simulated non-volatile configuration memory.

Base ethernet MAC Address: 00:05:DD:C3:70:80

Motherboard assembly number: 73-5527-09

Power supply part number: 34-0967-01

Motherboard serial number: FAA0537HHZS

Power supply serial number: LIT050900Q6

Model revision number: 04

Model number: WS-C3550-12T

System serial number: FAA0538S040

Configuration register is 0x10F

Switch#show run

Building configuration...

Current configuration : 1251 bytes

!

version 12.1

no service pad

service timestamps debug uptime

service timestamps log uptime

no service password-encryption

!

hostname Switch

!

!

ip subnet-zero

ip routing

no ip finger

!

!

!

!

interface GigabitEthernet0/1

no ip address

snmp trap link-status

!

--More--                           interface GigabitEthernet0/2

no ip address

snmp trap link-status

!

interface GigabitEthernet0/3

no ip address

snmp trap link-status

!

interface GigabitEthernet0/4

no ip address

snmp trap link-status

!

interface GigabitEthernet0/5

no ip address

snmp trap link-status

!

interface GigabitEthernet0/6

no ip address

snmp trap link-status

!

interface GigabitEthernet0/7

no ip address

snmp trap link-status

--More--                           !

interface GigabitEthernet0/8

no ip address

snmp trap link-status

!

interface GigabitEthernet0/9

switchport access vlan 2

no ip address

snmp trap link-status

!

interface GigabitEthernet0/10

no ip address

snmp trap link-status

!

interface GigabitEthernet0/11

no ip address

snmp trap link-status

!

interface GigabitEthernet0/12

no ip address

snmp trap link-status

!

interface Vlan1

--More--                            ip address 192.168.25.250 255.255.255.0

!

interface Vlan2

ip address 192.168.30.1 255.255.255.0

!

ip classless

ip http server

!

!

line con 0

transport input none

line vty 5 15

Can you logon to the switch and try to

ping 192.168.30.1

and also

ping 192.168.25.250

if good try to ping the PC (30.50)

I can ping the ip's on the router

I cannot ping the PC

I can ping anything on the 192.168.25.x network from the router.

Regards

does the PC have any firewall software installed on it that maybe blocking ping?

It does.

But if we step back from that.

From the PC I can ping the switch on 192.168.30.1

From the PC I cannot ping 192.168.25.250

If I disconnect the Ethernet, and use my wi-fi , I can ping 192.168.25.250 , I then cannot ping 192.168.30.1

So try this

disable the wireless on the PC and then try to ping 25.250 using the Ethernet port

Try this

disable the wireless on the PC temporary and then try to ping 25.250 using the Ethernet port only.

Dest Host un-reachable.

I made more progress I have added onto the switch as follows

router rip

network 192.168.0.0

So from my PC I can now ping the 192.168.25.250

My next challenge is to see anything on 192.168.25.x

I'm going to guess I need to add to the connecting switch a path back somehow

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