Technical Documentation

show pfe resource usage memory

Syntax

show pfe resource usage memory <extensive | brief><fpc <0..n>>

Release Information

Command introduced in Junos OS Release 9.3.

Description

(M320 and T320 routers, and T-640 only) Display Packet Forwarding Engine resource and L-chip SRAM memory usage statistics.

Note: On M320 routers, this command is not supported for the following FPCs:

  • M320 E3-FPC Type 1
  • M320 E3-FPC Type 2
  • M320 E3-FPC Type 3

Options

brief | extensive

(Optional) Display the specified level of output.

fpc slot

(Optional) Display L-chip-based FPC SRAM usage statistics for a Flexible PIC Concentrator (FPC) slot.

user@host> show pfe resource usage memory fpc 1

Required Privilege Level

admin

List of Sample Output

show pfe resource usage memory

Output Fields

Table 1 lists the output fields for the show pfe resource usage memory command. Output fields are listed in the approximate order in which they appear.

Table 1: show pfe resource usage memory Output Fields

Field Name

Field Description

Resource Name

Name of the resource, including:

  • FPC
  • Pfe

Free

Free L-chip SRAM memory.

Inuse

L-chip SRAM memory that is currently in use.

Total

Total of Free and Inuse memory.

%Use

Percentage of Total L-chip memory that is in use.

Sample Output

show pfe resource usage memory

user@host> show pfe resource usage memory
Resource Name                     Free     Inuse       Total      %Use 

 Fpc 0                                      (* - resource 80% used)

Pfe  1   Lin   2 

SRAM Pages  (Page = 4096 bytes)   510         2        512       0.39

Pfe  1   Lout  2 

L2rw Zones  (Bytes)               
Multicast List Table              16384       0        16384     0.00
L2 Descriptor Table               2080744     24       2080768   0.00
L2 Tag Table                      488         24       512       4.69

Pfe  1   Lin   3 

SRAM Pages  (Page = 4096 bytes)   511         1        512       0.20

Pfe  1   Lout  3 

L2rw Zones  (Bytes)               
Multicast List Table              16384       0        16384     0.00
L2 Descriptor Table               2080768     0        2080768   0.00
L2 Tag Table                      504         8        512       1.56

Resource Name                     Free     Inuse       Total      %Use 

 Fpc 1                                      (* - resource 80% used)

Pfe  1   Lin   2 

SRAM Pages  (Page = 4096 bytes)   511         1        512       0.20

Pfe  1   Lout  2 

L2rw Zones  (Bytes)               
Multicast List Table              16384       0        16384     0.00
L2 Descriptor Table               2080768     0        2080768   0.00
L2 Tag Table                      504         8        512       1.56

Pfe  1   Lin   3 

SRAM Pages  (Page = 4096 bytes)   511         1        512       0.20

Pfe  1   Lout  3 

L2rw Zones  (Bytes)               
Multicast List Table              16384       0        16384     0.00
L2 Descriptor Table               2080696     72       2080768   0.00
L2 Tag Table                      496         16       512       3.12

Resource Name                     Free     Inuse       Total      %Use 

 Fpc 3                                      (* - resource 80% used)

 Fpc 5                                      (* - resource 80% used)
user@host> show pfe resource usage memory fpc 0 extensive
Resouce Name                       Free     Inuse     Total      %Use 

 Fpc 0                                      (* - resource 80% used)

Pfe  2   Lin   3 

SRAM Pages  (Page = 4096 bytes)   510         3        512       0.59
Channel Table Pages                           1        
Accounting Pages                              1        

Pfe  2   Lout  3 

L2rw Zones  (Bytes)               
Multicast List Table              16384       0        16384     0.00
L2 Descriptor Table               2080748     20       2080768   0.00
L2 Tag Table                      488         24       512       4.69

Pfe  2   Lin   4 

SRAM Pages  (Page = 4096 bytes)   511         33       512       6.45
Channel Table Pages                           0        
Accounting Pages                              1        

Pfe  2   Lout  4 

L2rw Zones  (Bytes)               
Multicast List Table              16384       0        16384     0.00
L2 Descriptor Table               2080768     0        2080768   0.00
L2 Tag Table                      504         8        512       1.56

Published: 2010-07-13

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