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22-10
Cisco 10000 Series Router Software Configuration Guide
OL-2226-23
Chapter 22 Configuring Multilink Point-to-Point Protocol Connections
Configuration Commands for MLP
Usage Guidelines For Cisco IOS Release 12.2(28)SB and later releases, the range of valid values for multilink interfaces
are the following:
• MLP over Serial—1 to 9999 (Release 12.2(28)SB and later), and 1 to 9999 and 65,536 to
2,147,483,647 (Release 12.2(31)SB2 and later)
• Single-VC MLP over ATM—10,000 and higher
• Multi-VC MLP over ATM—1 to 9999 (Release 12.2(28)SB and later), and 1 to 9999 and 65,536 to
2,147,483,647 (Release 12.2(31)SB2 and later)
For releases earlier than Cisco IOS Release 12.2(28)SB, the valid multilink interface range is 1 to
2,147,483,647.
ppp multilink Command
To enable MLP on an interface, use the ppp multilink command in interface configuration mode. To
disable MLP, use the no form of the command.
ppp multilink
no ppp multilink
Command History
Defaults The command is disabled.
Usage Guidelines The ppp multilink command applies only to interfaces that use Point-to-Point Protocol (PPP)
encapsulation.
When you use the ppp multilink command, the first channel negotiates the appropriate Network Control
Protocol (NCP) layers (such as the IP Control Protocol and IPX Control Protocol), but subsequent links
negotiate only the Link Control Protocol (LCP) and MLP.
ppp multilink fragment-delay Command
To specify a maximum size in units of time for packet fragments on a MLP bundle, use the ppp multilink
fragment-delay command in interface configuration mode. To reset the maximum delay to the default
value, use the no form of the command.
ppp multilink fragment-delay delay-max
no ppp multilink fragment-delay delay-ma x
Syntax Description
Cisco IOS Release Description
12.0(23)SX The ppp multilink command was introduced on the Cisco 10000 series
router.
12.2(16)BX This command was introduced on the PRE2.
12.2(28)SB This command was integrated into Cisco IOS Release 12.2(28)SB.
delay-max Specifies the maximum amount of time, in milliseconds, that is required to
transmit a fragment. Valid values are from 1 to 1000 milliseconds.