Cisco 10000-2P2-2DC Software Guide - Page 487

Chapter 22 Configuring Multilink Point-to-Point Protocol Connections MLP Overhead MLP Overhead MLP encapsulation adds six extra bytes (4 header, 2 checksum) to each outbound packet. These overhead bytes reduce the effective bandwidth on the connection; therefore, the throughput for an MLP bundle is slightly less than an equivalent bandwidth connection that is not using MLP. If the average packet size is large, the extra MLP overhead is not readily apparent; however, if the average packet size is small, the extra overhead becomes more noticeable. Using MLP fragmentation adds additional overhead to a packet. Each fragment contains six bytes of MLP header plus a link encapsulation header. Configuration Commands for MLP This section describes the following commands used to configure MLP and MLP-based link fragmentation and interleaving: • interface multilink Command, page 22-9 • ppp multilink Command, page 22-10 • ppp multilink fragment-delay Command, page 22-10 • ppp multilink interleave Command, page 22-11 • ppp multilink fragment disable Command, page 22-12 • ppp multilink group Command, page 22-12 For more information about MLP-based link fragmentation and interleaving, see the Cisco 10000 Series Router Quality of Service Configuration Guide. interface multilink Command To create and configure a multilink bundle, use the interface multilink command in global configuration mode. To remove a multilink bundle, use the no form of the command. interface multilink multilink-bundle-number no interface multilink multilink-bundle-number Syntax Description multilink-bundle-number A nonzero number that identifies the multilink bundle. Command History Cisco IOS Release 12.0 12.2(16)BX 12.2(28)SB 12.2(31)SB2 Description The interface multilink command was introduced on the Cisco 10000 series router. This command was introduced on the PRE2. This command was integrated into Cisco IOS Release 12.2(28)SB. This command was introduced on the PRE3. Valid multilink interface values changed. See the Usage Guidelines or Table 22-3 on page 22-8. Defaults No multilink interfaces are configured. OL-2226-23 Cisco 10000 Series Router Software Configuration Guide 22-9