[c-nsp] HWIC-4ESW
Nic Passmore
nic.passmore at gmail.com
Wed Nov 19 21:11:03 EST 2008
On Thu, Nov 20, 2008 at 6:36 AM, Peter Chuba <ptchuba at live.com> wrote:
> Hi,
>
> I've got a 2801 whose built-in ports are damaged. I was wondering if I could
> add an HWIC-4ESW module and use this to connect to both the provider and
> LAN. And will I be able to do NAT with this setup? Will I also be able to do
> PPPOE on the vlan interface? I think it should work but want to be sure
> before buying the card.
>
> Thanks
Cisco says:
Q. Can I assign each switch port to a unique VLAN? If so, are there
any limitations?
A. Each switch port can be assigned to its own VLAN, effectively
providing four additional routed ports. However, there are serious
performance and feature limitations to doing this. The VLAN interfaces
are truly Layer 3 switching interfaces and are treated uniquely among
interface types on the router. Many features are not supported or
tested on these interfaces, including Point-to-Point Protocol over
Ethernet (PPPOE) termination, Layer 2 Tunneling Protocol Version 3
(L2TPv3) termination, MAC address assignment, Layer 3 QoS, and others.
You should carefully test any desired feature and solution prior to
deploying it.
http://www.cisco.com/en/US/prod/collateral/routers/ps5853/prod_qas0900aecd8016c026_ps5854_Products_Q_and_A_Item.html
Is this something that will be used in a production environment? If
thats the case, then its probably not a good idea..
-Nic
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