14.12.2012 Views

Junos OS Interfaces Command Reference - Juniper Networks

Junos OS Interfaces Command Reference - Juniper Networks

Junos OS Interfaces Command Reference - Juniper Networks

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Table 17: Layer 2 Overhead, Transmitted Packets/Bytes<br />

Protocol<br />

MLPPP (Long)<br />

MLPPP (short)<br />

MLFR (FRF15)<br />

MFR (FRF16)<br />

MCMLPPP(Long)<br />

MCMLPPP(Short)<br />

Layer 2 Statistics -<br />

Fragmentation<br />

Overhead Calculation<br />

Copyright © 2012, <strong>Juniper</strong> <strong>Networks</strong>, Inc.<br />

Fragmentation<br />

First fragmentation<br />

Bytes<br />

13<br />

11<br />

12<br />

10<br />

13<br />

11<br />

MLPPP/MC-MLPPP Overhead details:<br />

===============================<br />

Fragment 1:<br />

Second to n fragmentations<br />

Bytes<br />

Outer PPP header : 4 bytes<br />

Long or short sequence MLPPP header : 4 bytes or 2 bytes<br />

Inner PPP header : 1 byte<br />

HDLC flag and FCS bytes : 4 bytes<br />

Fragments 2 .. n :<br />

Outer PPP header : 4 bytes<br />

Long or short sequence MLPPP header : 4 bytes or 2 bytes<br />

HDLC flag and FCS bytes : 4 bytes<br />

MLFR (FRF15) Overhead details:<br />

=============================<br />

Fragment 1:<br />

Framerelay header : 2 bytes<br />

Control,NLPID : 2 bytes<br />

Fragmentaion header : 2 bytes<br />

Inner proto : 2 bytes<br />

HDLC flag and FCS : 4 bytes<br />

Fragments 2 ...n :<br />

Framerelay header : 2 bytes<br />

Control,NLPID : 2 bytes<br />

Fragmentaion header : 2 bytes<br />

HDLC flag and FCS : 4 bytes<br />

MFR (FRF16) Overhead details:<br />

==============================<br />

Fragment 1:<br />

Fragmentaion header : 2 bytes<br />

12<br />

10<br />

10<br />

8<br />

12<br />

10<br />

Chapter 2: Common Interface <strong>Command</strong>s<br />

LFI<br />

8<br />

8<br />

8<br />

-<br />

-<br />

-<br />

61

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!