7/28/2019 Curse Mpls Csc

1/24

7/28/2019 Curse Mpls Csc

2/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 2

Objetivies

Configure a Hierarchical Carriers Carrier

Carrier Network Carrier Supporting Carrier MPLS VPN Enabled ISP Connected Across StandardCarrier

How to Configure a Hierarchical Carriers Carrier

7/28/2019 Curse Mpls Csc

3/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 3

Carrier NetworkCarrier Supporting Carrier (CsC) has many benefits:

Multiple customer carriers can be connected to asingle CsC backbone

Both VPN and Internet Services can be provided

Customer carriers don't have to operate their ownlong distance network

Different addressing schemes can be used bydifferent carriers

Any link type supported by MPLS can be used

7/28/2019 Curse Mpls Csc

4/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 4

Carrier Network (Cont.)

A carrier network carries traffic between customer sites.

7/28/2019 Curse Mpls Csc

5/24

7/28/2019 Curse Mpls Csc

6/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 6

Carrier Supporting Carrier (Cont.)

Carrier Supporting Carrier Network

7/28/2019 Curse Mpls Csc

7/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 7

Carrier Supporting Carrier (Cont.)

Carrier Supporting Carrier Network (Cont.)

MPLS is used between CsC backbone PE routers and customer carriers VPN sites.

Labels are exchanged between CsC backbone and customer carriers by LDP.

7/28/2019 Curse Mpls Csc

8/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 8

Carrier Supporting Carrier (Cont.)

Carrier Supporting Carrier Network (Cont.)

Customer Carrier Cases:

Customer carrier not running MPLS.

Customer carrier running MPLS.

Customer carrier running MPLS VPN.

7/28/2019 Curse Mpls Csc

9/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 9

MPLS VPN Enabled ISP ConnectedAcross Standard Carrier

A customer carrier which is not running MPLSinternally must use MPLS on the link betweenthe CsC backbone and the Customer Carrierssite.

7/28/2019 Curse Mpls Csc

10/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 10

MPLS VPN Enabled ISP ConnectedAcross Standard Carrier (Cont.)

Customer Carrier Is Not Running MPLS

7/28/2019 Curse Mpls Csc

11/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 11

MPLS VPN Enabled ISP ConnectedAcross Standard Carrier (Cont.)

Customer Carrier is Not Running MPLS (Cont.)

7/28/2019 Curse Mpls Csc

12/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 12

MPLS VPN Enabled ISP ConnectedAcross Standard Carrier (Cont.)

Customer Carrier is Not Running MPLS (Cont.)

7/28/2019 Curse Mpls Csc

13/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 13

MPLS VPN Enabled ISP ConnectedAcross Standard Carrier (Cont.)

Customer Carrier is Running MPLS

7/28/2019 Curse Mpls Csc

14/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 14

MPLS VPN Enabled ISP ConnectedAcross Standard Carrier (Cont.)

Customer Carrier is Running MPLS (Cont.)

7/28/2019 Curse Mpls Csc

15/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 15

MPLS VPN Enabled ISP ConnectedAcross Standard Carrier (Cont.)

Customer Carrier is Running MPLS VPNs (Cont.)

7/28/2019 Curse Mpls Csc

16/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 16

MPLS VPN Enabled ISP ConnectedAcross Standard Carrier (Cont.)

Customer Carrier is Running MPLS VPNs (Cont.)

7/28/2019 Curse Mpls Csc

17/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 17

How to Configure a Hierarchical CarriersCarrier (Cont.)

Procedure Reference

7/28/2019 Curse Mpls Csc

18/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 18

Example IGP/LDP CsC Configuration

How to Configure a Hierarchical CarriersCarrier (Cont.)

7/28/2019 Curse Mpls Csc

19/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 19

Example IGP/LDP CsC Configuration

How to Configure a Hierarchical CarriersCarrier (Cont.)

7/28/2019 Curse Mpls Csc

20/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 20

How to Configure a Hierarchical CarriersCarrier (Cont.)

Configuring BGP send-label

Enables a BGP router to send MPLS labelswith IPv4 BGP routes to a neighboring BGProuter.

7/28/2019 Curse Mpls Csc

21/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 21

Example BGP CsC Configuration

How to Configure a Hierarchical CarriersCarrier (Cont.)

7/28/2019 Curse Mpls Csc

22/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 22

How to Configure a Hierarchical CarriersCarrier (Cont.)

Conditional Label Advertising

Enables a route to be distributed with anMPLS label if the route matches theconditions specified in the route map

7/28/2019 Curse Mpls Csc

23/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 23

How to Configure a Hierarchical CarriersCarrier (Cont.)

Select Routes with Labels

Selects routes that include MPLS labels if the routes meet the conditions specified inthe route map.

7/28/2019 Curse Mpls Csc

24/24

2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 24

How to Configure a Hierarchical CarriersCarrier (Cont.)

Example Conditional Label Advertisement Configuration