December 2000 vii
CHANGING THE READ-WRITE ATTRIBUTE OF A FILE .............................................................................5-25
D
ELETING A FILE FROM A FLASH CARD ...............................................................................................5-26
R
ECOVERING (“UNDELETING”) A FILE ..................................................................................................5-26
A
PPENDING A FILE TO ANOTHER FILE .................................................................................................5-27
C
OPYING FILES ..................................................................................................................................5-27
LOADING THE STARTUP-CONFIG FILE FROM A PCMCIA FLASH CARD DURING SYSTEM LOAD .............5-30
F
ILE MANAGEMENT MESSAGES ...........................................................................................................5-32
T
EMPERATURE SENSOR ............................................................................................................................5-33
DISPLAYING THE TEMPERATURE .........................................................................................................5-33
D
ISPLAYING TEMPERATURE MESSAGES ..............................................................................................5-34
C
HANGING TEMPERATURE WARNING AND SHUTDOWN LEVELS .............................................................5-35
CHANGING THE CHASSIS POLLING INTERVAL .......................................................................................5-36
CHAPTER 6
U
SING PACKET OVER SONET (POS) MODULES ......................................... 6-1
INSTALLING A POS MODULE .......................................................................................................................6-2
U
PGRADING POS SOFTWARE FROM A TFTP SERVER ..................................................................................6-3
U
PGRADING THE BOOT CODE ...............................................................................................................6-3
U
PGRADING THE FLASH CODE ..............................................................................................................6-3
C
ONFIGURING POS BOOT PARAMETERS .....................................................................................................6-3
C
HANGING THE BOOT SOURCE .............................................................................................................6-4
B
OOTING THE MODULE FROM TFTP .....................................................................................................6-4
C
OPYING A POS IMAGE FILE FROM A FLASH CARD TO A POS MODULE’S FLASH MEMORY .....................6-4
C
ONFIGURING POS INTERFACES .................................................................................................................6-5
A
DDING AN IP ADDRESS .......................................................................................................................6-5
C
HANGING THE INTERFACE STATE ........................................................................................................6-6
C
HANGING THE ENCAPSULATION TYPE ..................................................................................................6-6
C
HANGING THE CLOCK SOURCE ...........................................................................................................6-6
C
HANGING THE LOOPBACK PATH ..........................................................................................................6-7
C
HANGING THE MTU ............................................................................................................................6-7
C
HANGING THE CRC LENGTH ..............................................................................................................6-7
D
ISABLING OR REENABLING KEEPALIVE MESSAGES ...............................................................................6-8
C
HANGING THE BANDWIDTH .................................................................................................................6-8
C
HANGING THE POS FLAGS .................................................................................................................6-8
C
HANGING THE FRAME TYPE ................................................................................................................6-9
E
NABLING OR DISABLING ATM SCRAMBLING .........................................................................................6-9
C
ONFIGURING POS FOR FRAME RELAY ....................................................................................................6-10
C
HANGING THE ENCAPSULATION TYPE ................................................................................................6-10
S
PECIFYING THE FRAME RELAY INTERFACE TYPE ................................................................................6-10
S
PECIFYING THE DLCI .......................................................................................................................6-10
S
PECIFYING THE LMI TYPE ................................................................................................................6-11
V
ERIFYING THE CONFIGURATION .........................................................................................................6-11
C
ONFIGURING POS FOR LAYER 2 SWITCHING ...........................................................................................6-11
L
INK REDUNDANCY AND LOAD BALANCING ..........................................................................................6-14
C
ONFIGURATION PROCEDURES ...........................................................................................................6-16
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