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Home Documentation Junos OS Junos CLI Reference CLI Reference S

Junos CLI Reference

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show chassis sibs

date_range 19-Nov-23
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Syntax

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show chassis sibs

Syntax (TX Matrix Router)

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show chassis sibs 
<lcc number | scc>

Syntax (TX Matrix Plus Router)

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show chassis sibs 
<lcc number | sfc number>

Syntax (PTX Series Packet Transport Routers)

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show chassis sibs 
<detail>
<slot>

Description

(M320,T Series routers, TX Matrix routers, TX Matrix Plus routers, and PTX Series routers only) Display Switch Interface Boards (SIBs) status information.

Options

none

(TX Matrix routers and TX Matrix Plus routers only) On a TX Matrix router, display the SIB status for the TX Matrix router and its attached T640 routers. On a TX Matrix Plus router, display the SIB status for the TX Matrix Plus router and its attached routers.

detail

(PTX Series) (Optional) Display detailed SIB status information.

lcc number

(TX Matrix routers and TX Matrix Plus routers only) (Optional) On a TX Matrix router, display SIB status information for a specified T640 router (line-card chassis or LCC) that is connected to the TX Matrix router. On a TX Matrix Plus router, display SIB status information for a specified T1600 or T4000 router (LCC) that is connected to the TX Matrix Plus router.

Replace number with the following values depending on the LCC configuration:

  • 0 through 3, when T640 routers are connected to a TX Matrix router in a routing matrix.

  • 0 through 3, when T1600 routers are connected to a TX Matrix Plus router in a routing matrix.

  • 0 through 7, when T1600 routers are connected to a TX Matrix Plus router with 3D SIBs in a routing matrix.

  • 0, 2, 4, or 6, when T4000 routers are connected to a TX Matrix Plus router with 3D SIBs in a routing matrix.

scc

(TX Matrix routers only) (Optional) Display SIB status information for the TX Matrix router (switch-card chassis).

sfc number

(TX Matrix Plus routers only) (Optional) Display SIB status information for the TX Matrix Plus router (switch-fabric chassis or SFC). Replace number with 0.

slot

(PTX Series) (Optional) Display status information about the SIB in the specified slot only. The range of values is 0 through 8.

Required Privilege Level

view

Output Fields

Table 1 lists the output fields for the show chassis sibs command. Output fields are listed in the approximate order in which they appear.

Table 1: show chassis sibs Output Fields

Field Name

Field Description

Slot

SIB slot number.

Type

(TX Matrix Plus router only) SIB type.

Uptime

How long the SIB has been up and running.

State

SIB status:

  • Activating—SIB is coming online; this is a transitional state.

  • Deactivating—SIB is going offline; this is a transitional state.

  • Connected—SIBs on a T1600 router are connected and trained but are either not online or are spare, because the plane on the TX Matrix Plus router (or switch-fabric chassis) is still offline.

  • Disconnected—SIBs on all T640 routers on the TX Matrix router (switch-card chassis) are in the Disconnected state, because a SIB on the SCC has gone offline. Likewise, SIBs on all T1600 routers on the TX Matrix Plus router (or switch-fabric chassis) are in the Disconnected state, because a SIB on the SFC has gone offline.

    On the TX Matrix Plus router with 3D SIBs, the LCC SIB is also disconnected if the F13 SIB is online, but none of the cables are connected or trained.

  • Onlining—SIB is in the process of going online. ASICs , retimers and the rest of the hardware is initializing.

  • Online—SIB is operational and running.

  • Offlining—SIB is in the process of going offline. ASICs , retimers and rest of the hardware is being shutdown down to take the offline gracefully.

  • Offline—SIB is powered down.

    Note:

    If a SIB transitions to the Offline state, the command displays an appropriate reason in the output. For instance, if the SIB is taken offline using the request chassis sib command, the show chassis sibs command displays --- Offlined by cli command --- in the output.

  • Spare—SIB is redundant and will move to active state if one of the working SIBs fails to pass traffic.

    Note:

    Spare does not apply to PTX Series Packet Transport Routers, as there are no spare SIBs.

  • Empty—No SIB is present.

  • Fault—SIB is in an alarmed state in which none of the SIB’s planes are operational for one of the following reasons:

    • All onboard fabric ASICs are not operational.

    • Fiber-optic connector faults.

    • FPC connector faults.

    • SIB midplane connector faults.

  • Fault-off—SIB is powered off due to a fault in SIB.

  • Check—SIB is in an alarmed state due to link errors or destination errors. A SIB can transition to the Check state from the online or spare state.

    The Check state can be caused by the following reasons:

    • Unsupported FPC installed on a router.

    • SIB not inserted properly (such as bent pins).

    • Destination errors are detected on the SIB. In this case, the Packet Forwarding Engine stops using the SIB to send traffic to the affected destination Packet Forwarding Engine. When a Packet Forwarding Engine cannot be reached on that plane or SIB, a destination error is reported against that SIB.

      Note:

      For SIBs in the Check state, the output displays some additional information:

      • In Junos OS Release 9.6 and later, the Check state message shows the number of Packet Forwarding Engines in the plane having destination errors. For example, Check (10 destination errors) indicates 10 Packet Fowarding Engines cannot be reached on that particular SIB. If there are no destination errors, and if the SIB transitions to the Check state because of link errors only, the Check state message shows Check (0 destination errors).

      • In Junos OS Release 9.5 and earlier, the Check state message shows Check (destination errors) if there are Packet Forwarding Engines with destination errors in this plane. However, it does not show the number of Packet Forwarding Engines having destination errors. If there are no destination errors and if the SIB transitions to the Check state because of link errors only, the Check state message shows Check (no destination errors).

      If the SIB is in a Check state, because of destination errors, the CLI displays an additional line in the output, use "show chassis fabric fpcs" and "show chassis fabric sibs" for more details.

    • Link errors are detected on the channel between the SIB and a Packet Forwarding Engine. Link errors can be detected at initialization time or runtime:

      • Link errors caused by a link training failure at initialization time—The Packet Forwarding Engine does not use the SIB to send traffic. The show chassis fabric fpcs command shows Plane disabled as status for this link.

      • Link errors caused by CRC errors detected at runtime—The Packet Forwarding Engine continues to use the SIB to send traffic. The show chassis fabric fpcs command shows Link error as the status for this link.

    Note:

    The Check state does not apply to PTX Series Packet Transport Routers.

  • SFC Error—If an F13 SIB on the TX Matrix Plus router (SFC) transitions to the Fault state (for instance, because of link errors), and then if an LCC SIB (connected to the F13 SIB) comes online, the LCC SIB transitions to the SFC Error state. This state indicates that the F13 SIB to which the LCC SIB is connected has errors.

    Note:

    The Connected, Disconnected, and SFC Error states are only applicable to the SIBs on an LCC.

  • Invalid—The specific SIB slot is not valid for 4-LCC chassis configuration. See the TX Matrix Plus Hardware Guide for more information about the supported SIB slots.

    Note:

    The Invalid state is applicable to TX Matrix Plus routers only.

  • Unknown—SIB is present but the state is unknown.

  • Present—SIB is plugged in. The SIB is not powered on or operational.

Fabric links

Indicates status of fabric links on the SIB.

  • Active—All fabric links on SIB are active. Errors detected on the SIB’s fabric links, if any, are reported in the Errors column.

  • Unused—All fabric links on the SIB are not used for fabric traffic.

Errors

Indicates if there is any error on the SIB.

  • None—No errors

  • Link Errors—Fabric link errors were found on SIB RX link.

  • Cell drops—Fabric cell drops were found on the SIB ASIC.

  • Link Errors, Cell drops—Both link errors and cell drops were detected on at least one of the SIB’s fabric links.

  • Asic Errors—A fault affecting one of the ASICs on the SIB is detected. It can be an IO error or an internal error signaled by the ASIC.

Link Errors

indicate the number of links which are marked faulty because the errors on them have crossed threshold.

Cable Errors

Indicate the number of mandatory cables that are not connected, or in up state for that plane

Destination Errors

Indicate the number of destinations that are not reachable on this plane.

Sample Output

show chassis sibs (T640 Router)

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user@host> show chassis sibs 
           
Slot  State                       Uptime
 0    Empty
 1    Offline                          --- Offlined by cli command ---
 2    Check (21 destination errors)    1 day, 1 hour, 32 minutes, 55 seconds
 3    Check (0 destination errors)     1 day, 1 hour, 32 minutes, 45 seconds
 4    Empty

use "show chassis fabric fpcs" and "show chassis fabric sibs" for more details

show chassis sibs (T4000 Router)

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user@host> show chassis sibs
Slot  State                            Uptime
 0    Spare
 1    Online                           3 hours, 48 minutes, 38 seconds
 2    Online                           3 hours, 48 minutes, 22 seconds
 3    Online                           3 hours, 48 minutes, 5 seconds
 4    Online                           3 hours, 47 minutes, 49 seconds

show chassis sibs (TX Matrix Router)

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user@host> show chassis sibs                     
scc-re0:
--------------------------------------------------------------------------
Slot  State               Uptime
 0    Empty           
 1    Empty           
 2    Offline             --- Offlined by cli command ---
 3    Offline         
 4    Online              7 days, 21 hours, 50 minutes, 4 seconds
lcc0-re0:
--------------------------------------------------------------------------
Slot  State                            Uptime
 0    Offline                          --- Offlined by cli command ---
 1    Empty
 2    Check (21 destination errors)    1 day, 1 hour, 32 minutes, 55 seconds
 3    Check (0 destination errors)     1 day, 1 hour, 32 minutes, 45 seconds
 4    Empty

use "show chassis fabric fpcs" and "show chassis fabric sibs" for more details

show chassis sibs (T1600 Router)

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user@host> show chassis sibs 
           
Slot  
 Slot  State                            Uptime
  0    Check (destination errors)       2 hours, 23 minutes, 2 seconds
  1    Offline                          --- Offlined by cli command ---
  2    Check (destination errors)       2 hours, 23 minutes, 3 seconds
  3    Check (destination errors)       2 hours, 23 minutes, 3 seconds
  4    Check (destination errors)       2 hours, 23 minutes, 3 seconds
  
 use "show chassis fabric fpcs" and "show chassis fabric sibs" for more details

show chassis sibs (TX Matrix Plus Router)

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user@host> show chassis sibs
sfc0-re0:
--------------------------------------------------------------------------
Slot  State              Type          Link errors  Destination errors  Uptime
 0    Spare              SIB F13          NONE             NONE
 1    Empty                               NONE             NONE
 2    Invalid                             NONE             NONE
 3    Online             SIB F13          NONE             NONE         1 hour, 53 minutes, 19 seconds
 4    Empty                               NONE             NONE
 5    Invalid                             NONE             NONE
 6    Online             SIB F13          NONE             NONE         1 hour, 53 minutes, 8 seconds
 7    Empty                               NONE             NONE
 8    Online             SIB F13          NONE             NONE         1 hour, 52 minutes, 57 seconds
 9    Empty                               NONE             NONE
10    Invalid                             NONE             NONE
11    Online             SIB F13          NONE             NONE         1 hour, 52 minutes, 46 seconds
12    Empty                               NONE             NONE
13    Invalid                             NONE             NONE
14    Invalid                             NONE             NONE
15    Invalid                             NONE             NONE
0/0   Spare              SIB F2S          NONE             NONE
0/2   Spare              SIB F2S          NONE             NONE
0/4   Spare              SIB F2S          NONE             NONE
0/6   Spare              SIB F2S          NONE             NONE
1/0   Online             SIB F2S          NONE             NONE         1 hour, 53 minutes, 29 seconds
1/2   Online             SIB F2S          NONE             NONE         1 hour, 53 minutes, 28 seconds
1/4   Online             SIB F2S          NONE             NONE         1 hour, 53 minutes, 27 seconds
1/6   Online             SIB F2S          NONE             NONE         1 hour, 53 minutes, 26 seconds
2/0   Online             SIB F2S          NONE             NONE         1 hour, 53 minutes, 18 seconds
2/2   Online             SIB F2S          NONE             NONE         1 hour, 53 minutes, 17 seconds
2/4   Online             SIB F2S          NONE             NONE         1 hour, 53 minutes, 16 seconds
2/6   Online             SIB F2S          NONE             NONE         1 hour, 53 minutes, 14 seconds
3/0   Online             SIB F2S          NONE             NONE         1 hour, 53 minutes, 7 seconds
3/2   Online             SIB F2S          NONE             NONE         1 hour, 53 minutes, 5 seconds
3/4   Online             SIB F2S          NONE             NONE         1 hour, 53 minutes, 4 seconds
3/6   Online             SIB F2S          NONE             NONE         1 hour, 53 minutes, 3 seconds
4/0   Online             SIB F2S          NONE             NONE         1 hour, 52 minutes, 56 seconds
4/2   Online             SIB F2S          NONE             NONE         1 hour, 52 minutes, 54 seconds
4/4   Online             SIB F2S          NONE             NONE         1 hour, 52 minutes, 53 seconds
4/6   Online             SIB F2S          NONE             NONE         1 hour, 52 minutes, 52 seconds

lcc0-re0:
--------------------------------------------------------------------------
Slot  State              Link errors  Destination errors  Uptime
 0    Spare                 NONE             NONE
 1    Online                NONE             NONE         1 hour, 53 minutes, 31 seconds
 2    Online                NONE             NONE         1 hour, 53 minutes, 27 seconds
 3    Online                NONE             NONE         1 hour, 53 minutes, 23 seconds
 4    Online                NONE             NONE         1 hour, 53 minutes, 19 seconds

show chassis sibs (TX Matrix Plus Router with 3D SIBs)

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user@host> show chassis sibs
sfc0-re0:
--------------------------------------------------------------------------
Slot  State              Type          Cable errors  Link errors  Destination errors  Uptime
 0    Online             SIB F13            6           NONE             NONE         21 hours, 54 minutes, 28 seconds
 1    Online             SIB F13            8           NONE             NONE         21 hours, 54 minutes, 12 seconds
 2    Invalid                              NONE         NONE             NONE
 3    Online             SIB F13            6           NONE             NONE         21 hours, 57 minutes, 6 seconds
 4    Online             SIB F13            8            1               NONE         21 hours, 56 minutes, 49 seconds
 5    Invalid                              NONE         NONE             NONE
 6    Online             SIB F13            6           NONE             NONE         21 hours, 56 minutes, 25 seconds
 7    Online             SIB F13            8           NONE             NONE         21 hours, 56 minutes, 8 seconds
 8    Online             SIB F13            6           NONE             NONE         21 hours, 55 minutes, 43 seconds
 9    Online             SIB F13            8           NONE             NONE         21 hours, 55 minutes, 26 seconds
10    Invalid                              NONE         NONE             NONE
11    Empty                                NONE         NONE             NONE
12    Empty                                NONE         NONE             NONE
13    Invalid                              NONE         NONE             NONE
14    Invalid                              NONE         NONE             NONE
15    Invalid                              NONE         NONE             NONE
0/0   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 55 minutes, 16 seconds
0/2   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 54 minutes, 49 seconds
0/4   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 54 minutes, 47 seconds
0/6   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 54 minutes, 45 seconds
1/0   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 57 minutes, 29 seconds
1/2   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 57 minutes, 27 seconds
1/4   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 57 minutes, 25 seconds
1/6   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 57 minutes, 23 seconds
2/0   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 56 minutes, 48 seconds
2/2   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 56 minutes, 46 seconds
2/4   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 56 minutes, 43 seconds
2/6   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 56 minutes, 41 seconds
3/0   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 56 minutes, 6 seconds
3/2   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 56 minutes, 4 seconds
3/4   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 56 minutes, 2 seconds
3/6   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 56 minutes
4/0   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 55 minutes, 24 seconds
4/2   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 55 minutes, 22 seconds
4/4   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 55 minutes, 20 seconds
4/6   Online             SIB F2S           -n/a-        NONE             NONE         21 hours, 55 minutes, 18 seconds

lcc0-re0:
--------------------------------------------------------------------------
Slot  State            Cable errors  Link errors  Destination errors  Uptime
 0    Online                6           NONE             NONE         21 hours, 47 minutes, 29 seconds
 1    Online                6           NONE             NONE         21 hours, 47 minutes, 50 seconds
 2    Online                6           NONE             NONE         21 hours, 47 minutes, 43 seconds
 3    Online                6           NONE             NONE         21 hours, 47 minutes, 36 seconds
 4    Empty                NONE         NONE             NONE
use "show chassis fabric fpcs" and "show chassis fabric sibs" for more details

lcc4-re0:
--------------------------------------------------------------------------
Slot  State            Cable errors  Link errors  Destination errors  Uptime
 0    Online                6           NONE             NONE         21 hours, 57 minutes, 1 second
 1    Online                6           NONE             NONE         21 hours, 57 minutes, 21 seconds
 2    Online                6           NONE             NONE         21 hours, 57 minutes, 14 seconds
 3    Online                6           NONE             NONE         21 hours, 57 minutes, 7 seconds
 4    Empty                NONE         NONE             NONE
use "show chassis fabric fpcs" and "show chassis fabric sibs" for more details
                                        
lcc7-re0:                               
--------------------------------------------------------------------------
Slot  State            Cable errors  Link errors  Destination errors  Uptime
 0    Online                2           NONE             NONE         21 hours, 56 minutes, 54 seconds
 1    Online                2           NONE             NONE         21 hours, 57 minutes, 21 seconds
 2    Online                2           NONE             NONE         21 hours, 57 minutes, 12 seconds
 3    Online                2           NONE             NONE         21 hours, 57 minutes, 3 seconds
 4    Empty                NONE         NONE             NONE
use "show chassis fabric fpcs" and "show chassis fabric sibs" for more details

show chassis sibs sfc (TX Matrix Plus Router))

content_copy zoom_out_map
user@host> show chassis sibs sfc 0
sfc0-re0:
--------------------------------------------------------------------------
Slot  State              Type          Link errors  Destination errors  Uptime
 0    Spare              SIB F13          NONE             NONE
 1    Empty                               NONE             NONE
 2    Invalid                             NONE             NONE
 3    Online             SIB F13          NONE             NONE         12 hours, 6 minutes, 22 seconds
 4    Empty                               NONE             NONE
 5    Invalid                             NONE             NONE
 6    Online             SIB F13          NONE             NONE         12 hours, 6 minutes, 11 seconds
 7    Empty                               NONE             NONE
 8    Online             SIB F13          NONE             NONE         12 hours, 6 minutes
 9    Empty                               NONE             NONE
10    Invalid                             NONE             NONE
11    Online             SIB F13          NONE             NONE         12 hours, 5 minutes, 49 seconds
12    Empty                               NONE             NONE
13    Invalid                             NONE             NONE
14    Invalid                             NONE             NONE
15    Invalid                             NONE             NONE
0/0   Spare              SIB F2S          NONE             NONE
0/2   Spare              SIB F2S          NONE             NONE
0/4   Spare              SIB F2S          NONE             NONE
0/6   Spare              SIB F2S          NONE             NONE
1/0   Online             SIB F2S          NONE             NONE         12 hours, 6 minutes, 32 seconds
1/2   Online             SIB F2S          NONE             NONE         12 hours, 6 minutes, 31 seconds
1/4   Online             SIB F2S          NONE             NONE         12 hours, 6 minutes, 30 seconds
1/6   Online             SIB F2S          NONE             NONE         12 hours, 6 minutes, 29 seconds
2/0   Online             SIB F2S          NONE             NONE         12 hours, 6 minutes, 21 seconds
2/2   Online             SIB F2S          NONE             NONE         12 hours, 6 minutes, 20 seconds
2/4   Online             SIB F2S          NONE             NONE         12 hours, 6 minutes, 19 seconds
2/6   Online             SIB F2S          NONE             NONE         12 hours, 6 minutes, 17 seconds
3/0   Online             SIB F2S          NONE             NONE         12 hours, 6 minutes, 10 seconds
3/2   Online             SIB F2S          NONE             NONE         12 hours, 6 minutes, 9 seconds
3/4   Online             SIB F2S          NONE             NONE         12 hours, 6 minutes, 7 seconds
3/6   Online             SIB F2S          NONE             NONE         12 hours, 6 minutes, 6 seconds
4/0   Online             SIB F2S          NONE             NONE         12 hours, 5 minutes, 59 seconds
4/2   Online             SIB F2S          NONE             NONE         12 hours, 5 minutes, 57 seconds
4/4   Online             SIB F2S          NONE             NONE         12 hours, 5 minutes, 56 seconds
4/6   Online             SIB F2S          NONE             NONE         12 hours, 5 minutes, 55 seconds

show chassis sibs lcc (TX Matrix Plus Router)

content_copy zoom_out_map
user@host> show chassis sibs lcc 0
lcc0-re0:
--------------------------------------------------------------------------
Slot  State              Link errors  Destination errors  Uptime
 0    Online                NONE             NONE         20 hours, 14 minutes, 50 seconds
 1    Fault                 NONE             NONE
 2    Online                NONE             NONE         20 hours, 15 minutes, 2 seconds
 3    Online                NONE             NONE         20 hours, 14 minutes, 58 seconds
 4    Online                NONE             NONE         20 hours, 14 minutes, 54 seconds

show chassis sibs lcc (TX Matrix Plus Router with 3D SIBs)

content_copy zoom_out_map
user@host> show chassis sibs lcc 0
lcc0-re0:
--------------------------------------------------------------------------
Slot  State            Cable errors  Link errors  Destination errors  Uptime
 0    Disconnected         NONE         NONE             NONE         17 hours, 2 minutes, 37 seconds
 1    Online               NONE         NONE             NONE         17 hours, 3 minutes, 6 seconds
 2    Online               NONE         NONE             NONE         17 hours, 2 minutes, 59 seconds
 3    Online               NONE         NONE             NONE         17 hours, 2 minutes, 52 seconds
 4    Online               NONE         NONE             NONE         17 hours, 2 minutes, 44 seconds

show chassis sibs (M320 Router)

content_copy zoom_out_map
user@host> show chassis sibs

 0    Online             1 hour, 18 minutes, 3 seconds
 1    Offline            --- Offlined by cli command ---
 2    Online             1 hour, 18 minutes, 18 seconds
 3    Online             1 hour, 18 minutes, 3 seconds

show chassis sibs (PTX Series)

content_copy zoom_out_map
user@host> show chassis sibs 
Slot  State         Fabric links        Errors
0    Online             Active         Asic Errors   
1    Online             Active         Link Errors
2    Online             Active         None   
3    Online             Active         Cell drops
4    Offline            Unused         None   
5    Online             Active         None   
6    Online             Active         None   
7    Online             Active         None   
8    Online             Active         None

show chassis sibs (PTX Series)

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user@host> show chassis sibs detail
Slot 4 information
  State                               Offline   
  Reason                              Offlined by cli command
  Fabric links                        Unused
  Errors                              None

show chassis sibs (PTX5000)

The show chassis sibs command displays only the non-empty slots.

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user@host> show chassis sibs 
Slot  State         Fabric links	Errors
 1    Online             Unused 	None   
 2    Online             Unused 	None   
 3    Online             Unused 	None   
 4    Online             Unused 	None   
 6    Fault              Unused 	None   
 7    Online             Unused 	None

Release Information

Command introduced before Junos OS Release 7.4.

sfc option introduced for the TX Matrix Plus router in Junos OS Release 9.6.

detail and sib-slot options introduced for the PTX Packet Transport Router in Junos OS Release 12.1

Command introduced in Junos OS Release 17.2 for PTX10008 Routers.

Related Documentation

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