[c-nsp] More routed ethernet interfaces on 2800 series

[Sam Stickland]

On Wed, 8 Jun 2005, Mark Kelly wrote:

>> From my reading of documentation on these modules (URL escapes me at
> present)
> They support 15 Vlan interfaces per switching module, along with standard
> layer3
> switch features etc.  I do plan to use a 2811 with 2 4port modules for this
> sort of
> functionality so I hope my understanding of them has been correct.

Yes, it appears I assumed too much about the Etherswich modules.

There's documentation on configuring the  HWIC-4ESW and HWIC-D-9ESW 
EtherSwitch Interface Cards here http://tinyurl.com/dhp94 [1], which says 
they support upto 15 VLANs and the ports are individually configurable.

And there's this document here http://tinyurl.com/az9zd [2] with the 
following:

Q. Can I configure the switch interfaces as Layer 3 ports?

A. The Cisco EtherSwitch network module and service module interfaces can 
be configured directly as Layer 3, or routed, ports by using the no 
switchport command and assigning an IP address directly to the port. Cisco 
Switchports on the HWIC do not support Layer 3 addresses natively; they 
must be assigned to a SVI and use a VLAN interface for Layer 3. Every 
switch port can be assigned to a unique VLAN, up to 15 VLANs maximum.

Sam

[1] 
http://www.cisco.com/en/US/products/sw/iosswrel/ps5207/products_feature_guide09186a00802c6bb6.html#wp1051366
[2] 
http://www.cisco.com/en/US/products/ps5854/products_qanda_item0900aecd802a9470.shtml


> Mark
>
> ----- Original Message -----
> From: "Sam Stickland" <sam_ml at spacething.org>
> To: <cisco-nsp at puck.nether.net>
> Sent: Wednesday, June 08, 2005 7:32 PM
> Subject: [c-nsp] More routed ethernet interfaces on 2800 series
>
>
>> Hi,
>>
>> I notice that on http://tinyurl.com/8alq3 [1] cisco only list ethernet
>> switching modules (for example NM-16ESW or HWIC-4ESW). Does this mean that
>> these routers don't support any additional routed ethernet interfaces (LAN
>> interface modules).
>>
>> I'm assuming that these ethernet switching modules don't report their
>> status separately to IOS, and show up like the 4-port switch on the 837,
>> which is simply seen as Ethernet0 (Only one 1 IP address supported, no
>> dot1q subinterfaces, all ports permamently auto-sensing).
>>
>> Sam
>>
>> [1]
>>
> http://www.cisco.com/en/US/products/ps5854/products_data_sheet0900aecd8016fa68.html
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