>>>>> On Fri, 2 Jun 2000 15:19:15 +0200 (MEST), Lennert Buytenhek
>>>>> <buytenh@xxxxxxx> said:
>> Fair enough that you want to route them. But you can certainly
>> still do this with policy routing for example. The only place i see
>> routing taking effect is in the boundary between VLANs and non-VLAN
>> domains.
and between VLAN-IS and VLAN-ENG, and between VLAN-ACCT and
VLAN-INTERNET, and between VLAN-* and VLAN-GAMES.
Lennert> Well, routing is maybe not the best example. But the fact is
Lennert> that VLANs look and feel a lot like separate
Lennert> interfaces. That's probably why both 802.1q patches treat
Lennert> them as such.
>> Out of ignorance: Is there anyone (vendor) who does routing of
>> VLANs?
Lennert> I think it would make perfect sense. Connect a bunch of
Lennert> machines from different VLANs to a VLAN switch, and connect
Lennert> the switch to a VLANning router via a trunk line.
routing of packets between VLANs? Of course.
Router#sh ver
Cisco Internetwork Operating System Software
IOS (tm) 7200 Software (C7200-JS56I-M), Version 12.0(7)T, RELEASE SOFTWARE
(fc2)
Router#sh run
<snip>
interface FastEthernet2/0
no ip address
no ip directed-broadcast
no ip mroute-cache
full-duplex
!
interface FastEthernet2/0.1
description desc1
encapsulation dot1Q 1
ip address a.b.c.d 255.255.255.192 secondary
ip address e.f.g.h 255.255.255.128
no ip directed-broadcast
no ip mroute-cache
!
interface FastEthernet2/0.2
description desc2
encapsulation dot1Q 4095
ip address e.f.g.i 255.255.255.240 secondary
ip address a.b.j.k 255.255.255.128 secondary
ip address l.m.o.p 255.255.255.240
no ip directed-broadcast
no ip mroute-cache
>> Again from the above, you really dont need a device. Really, take a
>> look at James Leu's MPLS which is a similar (introduces the extra
>> shim headers etc) but a more complex issue. He doesnt introduce any
>> new devices.
Lennert> I don't really see yet how we can do clean support without
Lennert> fake devices. Will his 'solution' let us attach IP addresses
Lennert> to VLAN interfaces for example?
Lennert> Do you have a URL?
Why should VLANs not be fake devices? How are they different from
aliased interfaces?
rob
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