Why not use a SPAN Port, like what exists on the Cisco Catalysts?
-john
On Wed, 8 Mar 2000, Chris Brenton wrote:
> netcomm wrote:
> >
> > this is in continuation to my previous question of multiple ip addresses
> > assigned to an interface on solaris
> > thanx for the info
> > ...if we r having multiple addresses on one interface...how we can make it
> > talk to different networks corresponding to each ip address the interface
> > has.....
>
> This will happen normally via routing. For example if the address is
> 192.168.1.10/24 and the system wants to talk to 192.168.3.50/24 the
> system will need to go through a router, even if the device is part of
> the same logical segment.
>
> > i wish to use this in a switch environment ( LAN) using VLANs.
> > but searchin for some info on global VLAN,
> > in layer 2 switch one port can belong to one VLAN,
>
> Exactly right. VLAN's are a layer 2 thing so your options for creating a
> VLAN are:
> group VLANs by switch port
> group VLANs by MAC address
>
> Since we are talking a single NIC with multiple _layer 3_ addresses, you
> have no way of breaking out communications into multiple VLANs.
>
> > now say i have layer 2 switch with 24 ports and 23 ports belong to 23
> > differnet configured VLANS and 24th port i wish to belong to global VLAN
> > ie should be able to talk to 23 VLANs .
>
> Hummm. Depends on the vendor. This could be interpreted as a backbone
> (meaning 1-23 need a router to get there) or a global VLAN which
> includes all ports.
>
> > On 24th port i wish to connect my
> > solaris box configured with multiple ip addresses...one each from 23 vlans
>
> Sounds like what you really want is an ASIC router (or layer 3 switch
> depending who you talk to ;)
>
> Just out of curiosity, why do this? Besides adding a high level of
> complexity, it does not really buy you anything unless the systems
> connected to 1-23 are generating tons of broadcasts.
>
> HTH,
> Chris
> --
> **************************************
> [EMAIL PROTECTED]
>
> * Multiprotocol Network Design & Troubleshooting
> http://www.amazon.com/exec/obidos/ASIN/0782120822/geekspeaknet
> * Mastering Network Security
> http://www.amazon.com/exec/obidos/ASIN/0782123430/geekspeaknet
> -
> [To unsubscribe, send mail to [EMAIL PROTECTED] with
> "unsubscribe firewalls" in the body of the message.]
>
-
[To unsubscribe, send mail to [EMAIL PROTECTED] with
"unsubscribe firewalls" in the body of the message.]
