Enterprise QoS Solution Reference Network Design Guide

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Summary Summary References Standards 5-32 Enterprise QoS Solution Reference Network Design Guide Chapter 5 MPLS VPN QoS Design class class-default police cir 750000 conform-action set-mpls-exp-topmost-transmit 0 ! Conforming BE set to 0 exceed-action set-mpls-exp-topmost-transmit 4 ! Excess BE set to 4 ! … ! interface FastEthernet0/0 description FE to Customer Network ! Link to/from customer ip address 10.1.1.1 255.255.255.0 service-policy input PIPE-EXPLICIT-NULL-MARKING ! MPLS EXP set on ingress ! ! interface FastEthernet0/1 description FE TO PE ! Link to/from PE ip address 10.1.12.1 255.255.255.0 duplex auto speed auto mpls ip encapsulate explicit-null ! Explicit Null LSP is added ! Verification commands: show policy show policy interface Note For a comprehensive case study example of MPLS VPN QoS designs, refer to Figure 15-22 and Examples 15-29 through 15-32 of the Cisco Press book, End-to-End QoS Network Design by Tim Szigeti and Christina Hattingh. MPLS VPNs are rapidly gaining popularity as private WAN alternatives. This chapter presented QoS design principles and designs to achieve end-to-end service levels over MPLS VPNs. The foremost design principle is that enterprise subscribers and service providers have to cooperatively deploy QoS over MPLS VPNs in a consistent and complementary manner. Enterprise (customer) considerations, such as class-collapsing guidelines and traffic-mixing principles, were overviewed along with re-marking examples. Service-provider edge QoS policies were presented for three-, four-, and five-class edge models. Additionally, details on how RFC 3270 tunneling modes (Uniform, Short Pipe, and Pipe) can be implemented within Cisco IOS Software were provided. RFC 2547, “BGP/MPLS VPNs”: http://www.ietf.org/rfc/rfc2547.txt RFC 2597, “Assured Forwarding PHB Group”: http://www.ietf.org/rfc/rfc2597.txt RFC 2702, “Requirements for Traffic Engineering over MPLS”: http://www.ietf.org/rfc/rfc2702.txt Version 3.3
Chapter 5 MPLS VPN QoS Design Books Cisco Documentation Version 3.3 RFC 2917, “A Core MPLS IP VPN Architecture”: http://www.ietf.org/rfc/rfc2917.txt RFC 3270, “Multiprotocol Label Switching (MPLS) Support of Differentiated Services”: http://www.ietf.org/rfc/rfc3270.txt Enterprise QoS Solution Reference Network Design Guide References Alwayn, Vivek. Advanced MPLS Design and Implementation. Indianapolis: Cisco Press, 2001. Pepelnjak, Ivan, and Jim Guichard. MPLS and VPN Architectures. Cisco Press, 2002. Pepelnjak, Ivan, Jim Guichard, and Jeff Apcar. MPLS and VPN Architectures. Cisco Press, 2003. Osborne, Eric, and Ajay Simha. Traffic Engineering with MPLS. Cisco Press, 2003. Szigeti, Tim and Christina Hattingh. End-to-End QoS Network Design: Quality of Service in LANs, WANs and VPNs. Indianapolis: Cisco Press, 2004. Configuring MPLS and MPLS traffic engineering (Cisco IOS Release 12.2): http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fswtch_c/swprt3/xcfta gc.htm MPLS VPNS (Cisco IOS Release 12.2.13T): http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122t/122t13/ftvpn13. htm MPLS DiffServ tunneling modes (Cisco IOS Release 12.2.13T): http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122t/122t13/ftdtmode .htm MPLS DiffServ-Aware Traffic Engineering (DS-TE) (Cisco IOS Release 12.2.4T): http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122t/122t4/ft_ds_te.h tm MPLS Cisco IOS documentation main link (Cisco IOS Release 12.3): http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123cgcr/swit_vcg.htm#999526 5-33
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