Yes, it works fine.  You would need to configure the option on
the SUP to allow multiple SVI's to be configured when they are
assigned/trunked to the firewall.  See here:

http://www.cisco.com/en/US/docs/security/fwsm/fwsm32/configuratio
n/guide/switch_f.html


Fred Reimer, CISSP, CCNP, CQS-VPN, CQS-ISS
Senior Network Engineer
Coleman Technologies, Inc.
954-298-1697




> -----Original Message-----
> From: Vikas Sharma [mailto:[EMAIL PROTECTED]
> Sent: Thursday, November 15, 2007 6:20 AM
> To: Fred Reimer; [email protected]; Oliver Boehmer
> (oboehmer)
> Subject: Re: [c-nsp] traffic flow in 6500 switch with FWSM
> and MPLS VPN
> 
> Hi,
> 
> on the same line i have few more doubts. pls help me to
> solve this.
> 
> I have 5 vlans namely data, voice , video and CCTV. Packet
> coming out of access switch will go to SVI and then come to
> FWSM as firewall-group has been configured. Now I want to
> integrate this LAN to my MPLS cloud. I have created two vrf
> (one for voice/data and video) and another for CCTV and
> importing and exporting to all remote sites.
> My question is how does FWSM behave when default gateway is
> on MSFC svi (i have created dot1 q  interfaces on svi and
> assign vrf forwarding to respective interfaces).  Since on
> svi i have configured vrf forwarding, will FWSM understand
> the firewall-group in this case?
> 
> any help is greatly appreciated....
> 
> Regards
> Vikas Sharma
> 
> On 11/12/07, Vikas Sharma <[EMAIL PROTECTED]> wrote:
> 
>       Hi,
> 
>       Can I configure FWSM as a default gateway for my
> internal vlans (similar to HSRP configuration on MSFC for
> vlans)? i.e inside packet will first hit fwsm then MSFC !!!
> 
>       If u have some doc on this pls share if possible..
> 
>       Regards
> 
>       Vikas Sharma
> 
> 
> 
>       On Nov 7, 2007 7:00 PM, Fred Reimer
> <[EMAIL PROTECTED]> wrote:
> 
> 
>               There are many ways that you can configure the
> 6500 with a FWSM
>               and IDSM.  It depends on what you want to do
> with it.  You can
>               place the MSFC (routing entity) inside or
> outside of the FWSM.  I
>               prefer inside unless there is a really good
> reason to have it
>               outside (such as routing sessions to providers,
> etc) as you don't
>               need to secure it quite as much as when it is on
> a publically
>               accessible address.  You could also use VRF on
> the MSFC and have
>               one instance on the outside and one on the
> inside (or a bunch of
>               instances and one on each DMZ interface of the
> FWSM also).  For
>               the IDSM you also have an option of in-line mode
> or not.  You
>               want in-line mode if you want IPS functionality,
> and promiscuous
>               mode if you want IDS functionality.  Again, you
> can place the
>               IDSM inside or outside the FWSM, but it really
> makes sense to
>               drop malicious traffic before it even reaches
> your FW.  Perhaps
>               have it look like Internet -- IDSM -- MSFC --
> FWSM -- MSFC -
>               inside networks.  You really need to talk to, or
> hire, a security
>               specialist.
> 
>               Fred Reimer, CISSP, CCNP
>               Senior Network Engineer
>               Coleman Technologies, Inc.
>               954-298-1697
> 
> 
> 
> 
> 
>               -----Original Message-----
>               From: [EMAIL PROTECTED]
>               [mailto: [EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]> ] On Behalf Of
> Vikas
>               Sharma
>               Sent: Wednesday, November 07, 2007 3:14 AM
>               To: [email protected]; Oliver Boehmer
> (oboehmer)
>               Subject: [c-nsp] traffic flow in 6500 switch
> with FWSM and IDSM
> 
>               Hi,
> 
>               I have FWSM and IDSN-2 on 6500 switch. Since I
> am not a security
>               guy I am
>               not able to visualize how traffic flow will take
> place in this
>               situation. My
>               requirement is to secure internal traffic from
> external / DMZ
>               traffic and
>               inspect malicious traffic. Can someone give me
> the logical
>               picture how
>               packet will flow inside 6500 switch? whether it
> will first go to
>               FWSM then
>               to MSFC or first to MSFC then firewall? I have
> vlan (SVIs)
>               created on msfc
>               and these ips are default gateway for my
> internal traffic.
> 
>               Any help is appreciated...
> 
>               Regards
>               Vikas Sharma
> 
>               _______________________________________________
>               cisco-nsp mailing list   cisco-
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> 
> 
> 

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