[c-nsp] WS-X cards on Cat6500 with VPLS

[Brad Hedlund]

On 1/28/09 1:41 PM, "Arie Vayner (avayner)" <avayner at cisco.com> wrote:

> VPLS requires either SIP or ES20 cards both on customer and core facing
> sides.

It depends.  If Marlon is giving each customer their own unique VLAN (e.g.
Cust A gets VLAN 10, Cust B gets VLAN 20, and so on.) then the customer
facing ports can be plain 1Q trunks with no MPLS encapsulation required.  In
this scenario the customer facing ports could be WS-X6748, for example.  And
of course the ports with 'mpls ip' enabled forming the VPLS core must be SIP
or ES20.  The VPLS 'xconnect' statements would be applied to each customer's
SVI.

    interface VLAN 10
        description Customer A
        xconnect vfi VLAN10_CUST-A
    interface VLAN 20
        description Customer B
        xconnect vfi VLAN20_CUST-B

6500 can now support VPLS over GRE with SIP-400 and SXI code.  But I
definitely agree that 7600 is better for native VPLS, and supporting
interface speeds up to 10GE.

Cheers,

Brad Hedlund
bhedlund at cisco.com
http://www.internetworkexpert.org