Bay Networks Remote Annex Administrator's Manual

Multilink ppp addendum to the remote annex administrator’s guide for unix
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Multilink PPP
Addendum
to the Remote Annex
Administrator's Guide
for UNIX
Part No. 166-024-833
Rev. A
December 1996

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Table of Contents
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Summary of Contents for Bay Networks Remote Annex

  • Page 1 Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX Part No. 166-024-833 Rev. A December 1996...
  • Page 2 Computer Software-Restricted Rights clause at FAR 52.227-19. Trademarks of Bay Networks, Inc. Annex, Remote Annex, Annex Manager, Remote Annex 2000, Remote Annex 4000, Remote Annex 6100, Remote Annex 6300, Remote Annex 5390/Async, Remote Annex 5391/CT1, Remote Annex 5393/PRI, BayStack Remote Annex 2000 Server, Quick2Config, Bay Networks, Bay Networks Press, and the Bay Networks logo are trademarks of Bay Networks,...
  • Page 3: Table Of Contents

    MP Selectable Parameters for the Remote Annex ........
  • Page 4 Contents 166-024-833 Rev. A...
  • Page 5: Overview

    Multilink PPP Addendum to the Remote Annex used in conjunction with the Remote Annex Administrator’s Guide for UNIX, the Remote Annex 6300 Supplement to the Remote Annex Administrator’s Guide for UNIX, and the Annex Manager User Guide. This addendum covers the following topics:...
  • Page 6: Supported Mp Features

    Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX When a member link is established, several options are negotiated between the two endpoints of the connection to allow each to assign the new link to a bundle. Refer to Figure 1 for a representation of the functional flow.
  • Page 7: Mp Functional Diagram

    MP Functional Diagram Network Layer Data Link Layer Data Link Layer Physical Layer Figure 1. MP Functional Flow Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX IP/ IPX/ AT HIGH Multilink PPP Member syn20* Local Remote Member...
  • Page 8: The Mp Process

    Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX The number of member links can be adjusted to increase bandwidth in response to network traffic over the bundle. Active bandwidth control protocols, such as BACP/BAP, are not supported in this release.
  • Page 9 Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX When... Then... the member link’s MP the bundle checks that LCP options and the maximum number authentication of member links will information match an not be exceeded and existing bundle, adds the member link to the bundle.
  • Page 10: Bundling Scenarios

    Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX Bundling Scenarios The following four scenarios are used as guidelines for bundling member links. If there is... no authentication and no discriminator, a discriminator but no authentication, no discriminator but...
  • Page 11: Security Considerations

    Short Sequence Number Header Format (SSNHF), LCP option 18 (continued on next page) Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX Figure Description This option makes MP active. In order for NCP to recognize MP as a...
  • Page 12 Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX Option Multilink Maximum Reconstructed Receive Unit (MRRU), LCP option 17 Endpoint Discriminator, LCP option 19 166-024-833 Rev. A Description MP Parameter This option initiates MP. mp_mrru The RA 6300 will...
  • Page 13: Mp Operational Characteristics

    Sets the upper limit of the MRRU LCP negotiation. All LCP negotiations will start with this value. Downward negotiation is allowed. Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX Default = 1500 Minimum value = 64 Maximum value = 1500 166-024-833 Rev.
  • Page 14: Mp_Endpoint Class And Address Example

    Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX mp_endpoint_ Sets the value of the local Endpoint Discriminator Class to one of the class following allowed classes. (The remote endpoint is allowed to use all classes specified in RFC 1990.) Selecting...
  • Page 15: The Acp_Userinfo File

    6300-based admin). Additional status information is also available through the CLI netstat command and SNMP proprietary MIB objects. Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX Default value = 1 Minimum value = 1 Maximum value = 255 (RA 6300 only supports 30 channels)
  • Page 16 Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX netstat -i This command lists bundles as devices named “mp<n>” where <n> is a number assigned when the bundle is created. Member links appear but do not have associated addresses, since they are represented by the bundle as a single interface to the network layer.
  • Page 17 Options MRRU Short Sequence Endpoint Disc State Options IP addresses Compression State State Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX *** LCP Status *** Current: Open Local: 1500 1500 3:00-80-2d-02-ce-a1 *** NCP (IPCP) Status *** Current:...
  • Page 18 Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX netstat -ip Member Link annex# net -ip syn1 Example State Options Auth type Magic MRRU Short Sequence Endpoint Disc State The following list details the new MP Options available in this release.
  • Page 19 [Bundle: mp1] Packets fragmented: 62 Fragments generated: 195 [Bundle: mp1][Member link: syn12] [Bundle: mp1][Member link: syn13] Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX MP packets sent: 133 Peak links used: 0 Frames sent: 133 Frames discarded: 2...
  • Page 20 Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX MP Statistics The following table describes the MP data displayed when entering a netstat-b command: MP Statistics MP packets sent: MP packets accepted: Packets fragmented: Fragments discarded: Fragments generated:...
  • Page 21 PPP Statistics Frames sent: Frames received: Frames discarded: Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX Description The number of frames successfully sent. The total number of frames received. The total number of frames that were...
  • Page 22: Snmp Proprietary Mib Objects

    Multilink PPP Addendum to the Remote Annex Administrator’s Guide for UNIX SNMP Proprietary MIB Objects The following table lists new SNMP MIB variables that are supported in this release. These objects can be found in the file XYLO- PORTS.MIB: SNMP MIB Variable...

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