Juniper ACX1000 Configuration Manual page 571

Copyright © 2017, Juniper Networks, Inc.
Non-fragments:
Input :
Output:
Multilink class 2:
Fragments:
Input :
Output:
Non-fragments:
Input :
Output:
Multilink class 3:
Fragments:
Input :
Output:
Non-fragments:
Input :
Output:
NCP state: inet: Opened, inet6: Not-configured, iso: Opened, mpls: Opened
Protocol inet, MTU: 1500, Generation: 232, Route table: 0
Flags: Sendbcast-pkt-to-re
Addresses, Flags: Is-Preferred Is-Primary
Destination: 9.1.9/24, Local: 9.1.9.18, Broadcast: Unspecified,
Generation: 212
Protocol iso, MTU: 1500, Generation: 233, Route table: 0
Flags: Is-Primary
Protocol mpls, MTU: 1488, Maximum labels: 3, Generation: 234, Route table:
0
Flags: Is-Primary
For modifying the frame checksum (FCS) in the set of T1 options or E1 options on a
MLPPP bundle member link, you must remove the member link out of the bundle by
deactivating the link or unconfiguring it as a bundle member, and add the link back to
the bundle after FCS modification. You must first remove the link from the bundle and
modify FCS. If you are configuring FCS for the first time on the member link, specify
the value before it is added to the bundle.
The following MLPPP functionalities are not supported:
Member links across MICs.
Fragmentation per class (only configurable at bundle level)
IPv6 address family header compression (no address and control field compression
[ACFC] or protocol field compression [PFC])
Prefix elision as defined in RFC 2686, The Multi-Class Extension to Multi-Link PPP
A functionality that resembles link fragmentation and interleaving (LFI) can be achieved
using multiclass MLPPP (RFC 2686), which interleaves the high priority packets
between lower priority packets. This methodology ensures that the delay desitive
packets are sent as soon as they arrive. While LFI-classified packets are sent to a
specific member link as PPP packets, the ACX implementation of interleaving contains
multilink PPP (also referred to as PPP Multilink, MLP, and MP) headers and fragments
that are sent on all member links in a round-robin manner.
PPP over MLPPP bundle interfaces
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Chapter 17: Configuring MLPPP
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