RE: 2 Nic on same subnet.

From: Stephan Weaver (stephanweaver_at_hotmail.com)
Date: 06/21/05

  • Next message: Sarath ER: "Re: 2 Nic on same subnet."
    To: freebsd-questions@freebsd.org
    Date: Tue, 21 Jun 2005 15:05:14 -0400
    
    

    Ok what i did was change the ip of the dsl modem and on the vr0 interface.

    works except for this message
    Jun 21 01:11:12 pizzaboys kernel: arp: 192.168.1.1 is on lo0 but got reply
    from 00:02:44:8f:3d:90 on vr1
    Jun 21 01:12:13 pizzaboys kernel: arp: 192.168.1.1 is on lo0 but got reply
    from 00:02:44:8f:3d:90 on vr1

    >From: "fbsd_user" <fbsd_user@a1poweruser.com>
    >Reply-To: <fbsd_user@a1poweruser.com>
    >To: "Stephan Weaver" <stephanweaver@hotmail.com>
    >Subject: RE: 2 Nic on same subnet.
    >Date: Tue, 21 Jun 2005 14:22:31 -0400
    >
    >
    >If your ISP is assigning you a IP address in the 192.168.x.x range
    >then your ISP is already NAting you. You will have to NAT your own
    >LAN users also. To keep things simple use some IP range in the
    >10.0.0.0 range for your LAN NATing. There is no need to bridge
    >anything.
    >
    >It would be helpful if you explained your overall network.
    >
    >If you follow the FreeBSD Install guide it will walk you though the
    >configuration of private LAN off your FreeBSD box that is connected
    >to public internet.
    > The Install guide is here www.a1poweruser.com
    >
    >
    >-----Original Message-----
    >From: Stephan Weaver [mailto:stephanweaver@hotmail.com]
    >Sent: Tuesday, June 21, 2005 2:02 PM
    >To: fbsd_user@a1poweruser.com
    >Subject: RE: 2 Nic on same subnet.
    >
    >
    >now lets say vr0 is now 192.168.1.1
    >will i have to bridge connections?
    >
    > >From: "fbsd_user" <fbsd_user@a1poweruser.com>
    > >Reply-To: <fbsd_user@a1poweruser.com>
    > >To: "Stephan Weaver" <stephanweaver@hotmail.com>
    > >Subject: RE: 2 Nic on same subnet.
    > >Date: Tue, 21 Jun 2005 13:57:25 -0400
    > >
    > >you can not do that. have to be different subnets.
    > >now NIC wired to switch is your private LAN use 192.168.2.2
    > >
    > >-----Original Message-----
    > >From: owner-freebsd-questions@freebsd.org
    > >[mailto:owner-freebsd-questions@freebsd.org]On Behalf Of Stephan
    > >Weaver
    > >Sent: Tuesday, June 21, 2005 1:42 PM
    > >To: freebsd-questions@freebsd.org
    > >Subject: 2 Nic on same subnet.
    > >
    > >
    > >Hello All,
    > >
    > >I am trying to place my network behind a firewall [FreeBSD BASED].
    > >
    > >What i have Done!
    > >
    > >I have 2 Nic in the BSD PC.
    > >vr0, vr1.
    > >Both on the same subnet eg.
    > >vr0 - 192.168.0.1 , vr1 - 192.168.0.2.
    > >
    > >I Plug the Ethernet Cable From the DSL modem Into my vr0 interface.
    > >I Plug the Ethernet Cable from the SWITCH into my vr1 interface.
    > >
    > >I am running ipnat as follows.
    > >ipnat.rules
    > >----------------
    > >map vr0 192.168.0.0/24 -> 0.0.0.0/32 proxy port ftp ftp/tcp
    > >map vr0 192.168.0.0/24 -> 0.0.0.0/32 portmap tcp/udp 40000:60000
    > >map vr0 192.168.0.0/24 -> 0.0.0.0/32
    > >
    > >
    > >-----------
    > >Here are some messages i get from my /var/log/messages.
    > >Jun 20 22:47:36 pizzaboys kernel: arp: 192.168.0.198 is on vr0 but
    > >got reply
    > >from 00:08:74:4f:57:c5 on vr1
    > >
    > >
    > >Thank You, Stephan Weaver
    > >stephanweaver@hotmail.com
    > >
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  • Next message: Sarath ER: "Re: 2 Nic on same subnet."

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