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This Question is Not Answered 1 Correct Answer available (4 pts) 2 Helpful Answers available (2 pts)
3399 Views 4 Replies Latest reply: Jan 24, 2011 2:27 PM by Ken RSS

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Can't ping from different vlans

Jan 24, 2011 12:43 PM

Ken 13 posts since
Nov 25, 2008

I have been out of the loop some with my Cisco studies.  I received my CCENT last April, and then went on and off on studying for ICND2.  I am now starting to get back into things, and figure I would give myself a test, and I am stuck

 

In 3 weeks I will be heading out to Texas Motor Speedway and doing an IP schema change.  Also while I am out there I will be adding a vlan to separate part of the network that is not ours.  I figure before I went I would practice it on Packet Tracer.  So I have a few 2960 switches, and a router.  Obviously I am going to have A LOT more than that, but figure I would just a small scale version

 

Well I separated 2 of the switches and moved them to a vlan 200.  The network for vlan 200 is:  172.16.1.0 255.255.255.0

The other switches are going to be vlan1.  The network for vlan 1 is: 10.10.60.0 255.255.248.0

This is not going to be the real IP schema, but something along these line.

 

If I am on the "other" person switch, I can't ping the other vlan 200 switch, and no idea why.

 

However if I am on any of the vlan 1 swtiches, I can ping any on vlan 1 just fine.  Yes I know that works cause its the default vlan.

 

Anyone want to show me what I am missing?  It has to be something little and simple.

 

Thanks,

 

Ken~

Attachments:
  • Conwyn 9,657 posts since
    Sep 10, 2008
    Currently Being Moderated
    1. Jan 24, 2011 12:45 PM (in response to Ken)
    Re: Can't ping from different vlans

    Hi Ken

     

    You need a router between the two LANs either a router on a stick or one of the switches has to have a built in router.

     

    Regards Conwyn

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  • Conwyn 9,657 posts since
    Sep 10, 2008
    Currently Being Moderated
    2. Jan 24, 2011 12:52 PM (in response to Conwyn)
    Re: Can't ping from different vlans

    Hi Ken

     

    Something like this

     

    SWA

    int fa0/0

    switchport vlan access 100

    int fa0/2

    description to router

    switchport trunk

    int fa0/3

    description to switch B

    switchport trunk

    SWB

    similar

     

    Router

    int fa0/0.100

    encapsulation dot1q 100

    ip address 10.100.0.1 255.255.255.0

    int fa0/0.200

    encapsulation dot1q 200

    ip address 10.200.0.1 255.255.255.0

     

    Regards Conwyn

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  • Brian 2,971 posts since
    Aug 17, 2009
    Currently Being Moderated
    3. Jan 24, 2011 12:54 PM (in response to Ken)
    Re: Can't ping from different vlans

    I second that.  You need a layer 3 device to perform inter-vlan routing.

     

    HTH

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