11.3. Show, Clear, and Debug Command Reference

11.3.1. Command Hierarchies

Show Commands

11.3.1.1. Show Commands

show

— router

— bier

— database [sub-domain sub-domain] [template template-name]

— forwarding [sub-domain sub-domain] [bsl bsl] [neighbor-prefix ip-address] [si si]

— inband-tunnel [type {rx | tx}] [prefix prefix] [tunnel-id tunnel-id]

— inband-tunnel [prefix prefix] [tunnel-id tunnel-id] leaf

— routing [sub-domain sub-domain] [bsl bsl] [neighbor-prefix ip-address] [dest-prefix ip-address]

— statistics

— template [template-name]

— tunnel [type {rx | tx}] [prefix ip-address] [tunnel-id tunnel-id]

— tunnel [prefix ip-address] [tunnel-id tunnel-id] leaf

11.3.2. Command Descriptions

11.3.2.1. Show Commands

database

Syntax

database [sub-domain sub-domain] [template template-name]

Context

show>router>bier

Description

This command shows the BIER database and assigned labels for <SD, BSL, SI>.

Parameters

sub-domain—

Displays detailed information about the sub-domain.

Values—

0 to 255

template-name—

Displays template name, up to 32 characters.

Output

The following displays an example of a BIER database. Table 35 provides BIER database field descriptions.

Sample Output

*A:Dut-A# show router bier database

===============================================================================

BIER Database

===============================================================================

Template MT Sub-domain BSL

BFR-ID Start End Total

BFR-Prefix

-------------------------------------------------------------------------------

temp1 ipv4-unicast 0 256

1 1048464 1048479 16

10.20.1.1

temp1 ipv4-unicast 1 256

255 1048447 1048462 16

10.20.1.1

temp1 ipv4-unicast 2 256

2966 1048430 1048445 16

10.20.1.1

temp1 ipv4-unicast 3 256

1 1048413 1048428 16

10.20.1.1

temp1 ipv4-unicast 4 256

255 1048396 1048411 16

10.20.1.1

===============================================================================

BIER Database entries : 5

===============================================================================

*A:Dut-A#

Table 35: Bier Database Fields

Label	Description
Template	The template name
MT	The IGP topology associated with the sub-domain
Sub-domain	The sub-domain ID
BSL	The BitStringLength used in the sub-domain
BFR-ID	The BFR ID which identifies the router in the BitString
Start	The start label allocated for this sub-domain
End	The end label allocated for this sub-domain
Total	The total number of labels allocated for this sub-domain
BFR-Prefix	The routable IP address of a BFR, used by BIER to identify a BFR

forwarding

Syntax

forwarding [sub-domain sub-domain] [bsl bsl] [neighbor-prefix ip-address] [si si]

Context

show>router>bier

Description

This command shows the BIER forwarding table.

Parameters

sub-domain—

Specifies a sub-domain.

Values—

0 to 255

bsl—

Specifies a bit string length.

Values—

256 to 1024

ip-address—

Specifies a neighbor-prefix in IP address format.

si—

Specifies an SI.

Values—

0 to 16

Output

The following is an example of a BIER forwarding configuration. Table 36 provides BIER forwarding field descriptions.

Sample Output

*A:Dut-A# show router bier forwarding sub-domain 0

===============================================================================

Neighbor

Nexthop

Interface

[SI]: Label

Forwarding Bit Mask

BFR-ID : Prefix

-------------------------------------------------------------------------------

===============================================================================

BIER Forwarding Database Sub-Domain 0 BSL 256

===============================================================================

10.20.1.2

10.180.1.2

ip-10.180.1.1

[0]: 1048556

0x0000000000000000000000000000000000000000000000000000000000000036

2 : 10.20.1.2

3 : 10.20.1.3

5 : 10.20.1.5

6 : 10.20.1.6

===============================================================================

Total (Sub-Domain 0): 1

===============================================================================

Total BIER Forwarding entries : 1

===============================================================================

*A:Dut-A#

Table 36: BIER Forwarding Fields

Label	Description
Neighbor	The neighbor IP address
Nexthop	The next-hop IP address
Interface	The egress interface name for the programmed tunnel
[SI]:Label	The SI and label. The BitString and the SI together determine the set of BFERs to which a given packet will be delivered. The label is the egress transport label used for the given SI/SD.
Forwarding Bit Mask	The BitString forwarding mask
BFR-ID: Prefix	The BFR ID and the prefix reachable through this SD/SI/BFR-ID

inband-tunnel

Syntax

inband-tunnel [type {rx | tx}] [prefix prefix] [tunnel-id tunnel-id]

inband-tunnel [prefix prefix] [tunnel-id tunnel-id] leaf

Context

show>router>bier

Description

This command shows the BIER tunnels.

Parameters

type—

Specifies the type of tunnel.

Values—

tx, rx

prefix—

Specifies the BFR prefix of the tunnel in IP address form.

tunnel-id—

Specifies the tunnel ID.

Values—

0 to 4294967295

leaf—

Specifies that the tunnel leafs are displayed.

Output

The following is an example of a BIER in-band tunnel configuration. Table 37 provides BIER in-band tunnel descriptions.

Sample Output

*A:Dut-B# /show router bier inband-tunnel

===============================================================================

BIER Tunnels

===============================================================================

Tunnel-id Type Oper No. Of Leaves

BFR Prefx Bfr-ID Mpls Label Sub-domain

-------------------------------------------------------------------------------

73748 rx In service 0

10.20.1.4 4 0 0

===============================================================================

BIER Tunnel entries : 1

===============================================================================

Table 37: BIER In-band Tunnel Fields

Label	Description
Tunnel-id	The tunnel ID
Type	The tunnel type - Tx or Rx
Oper	The operational state of the tunnel
No. Of Leaves	The number of leafs in the tunnel
BFR Prefix	The BFR prefix of the tunnel
Bfr-IFD	The BFR ID of the tunnel
MPLS Label	The MPLS Label of the tunnel
Sub-domain	The sub-domain associated with the tunnel

routing

Syntax

routing [sub-domain sub-domain] [bsl bsl] [neighbor-prefix ip-address] [dest-prefix ip-address]

Context

show>router>bier

Description

This command shows the BIER routing table.

Parameters

sub-domain—

Specifies a sub-domain.

Values—

0 to 255

bsl—

Specifies a bit string length.

Values—

256 to 1024

ip-address—

Specifies a prefix in IP address format.

Output

The following is an example of a BIER router table. Table 38 provides BIER routing field descriptions.

Sample Output

*A:Dut-A# show router bier routing sub-domain 0

===============================================================================

Destination Prefix Bfr-ID Age

Neighbor

Nexthop

Interface

-------------------------------------------------------------------------------

===============================================================================

BIER Routing Database Sub-Domain 0 BSL 256

===============================================================================

10.20.1.2 2 0d 23:05:23

10.20.1.2

10.180.1.2

ip-10.180.1.1

10.20.1.3 3 0d 23:05:20

10.20.1.2

10.180.1.2

ip-10.180.1.1

10.20.1.4 0 0d 23:05:20

10.20.1.2

10.180.1.2

ip-10.180.1.1

10.20.1.5 5 0d 23:05:16

10.20.1.2

10.180.1.2

ip-10.180.1.1

10.20.1.6 6 0d 23:05:16

10.20.1.2

10.180.1.2

ip-10.180.1.1

===============================================================================

Total (Sub-Domain 0): 5

===============================================================================

Total BIER Routing entries : 5

===============================================================================

*A:Dut-A#

Table 38: BIER Routing Fields

Label	Description
Destination Prefix	The destination prefix
BFR-ID	The BFR ID
Age	The tunnel age
Neighbor	The neighbor IP address
Nexthop	The next-hop IP address
Interface	The egress interface name for the programmed tunnel

statistics

Syntax

statistics

Context

show>router>bier

Description

This command displays BIER statistics.

template

Syntax

template [template-name]

Context

show>router>bier

Description

This command shows the BIER template information.

Parameters

template-name—

Displays the template name, up to 64 characters.

Output

The following displays an example of a BIER template. Table 39 provides BIER template field descriptions.

Sample Output

*A:sim-06# show router bier template "BIER-Template-1"

===============================================================================

Bier Admin State : Up

Oper State : Up

===============================================================================

Templates

===============================================================================

Template Name Admin/Op*

SD-Range

Prefix Bfr* MT #PMSI

-------------------------------------------------------------------------------

BIER-Template-1 Up/Up

0-0

192.0.2.6 6 ipv4-unicast 4

1-1

192.0.2.6 6 ipv4-multicast 2

-------------------------------------------------------------------------------

Total number of templates : 1

Total number of subdomains : 2

Table 39: Bier Template Fields

Label	Description
Bier Admin State	The BIER administrative state
Oper State	The BIER operational state
Template Name	The BIER template name
SD-Range	The BIER SD-Range
Prefix	The prefix
Total number of templates	The total number of templates
Total number of subdomains	The total number of subdomains

tunnel

Syntax

tunnel [type {rx | tx}] [prefix ip-address] [tunnel-id tunnel-id]

tunnel [prefix ip-address] [tunnel-id tunnel-id] leaf

Context

show>router>bier

Description

This command shows the BIER tunnel table used for MVPN.

Parameters

ip-address—

Specifies a prefix in IP address format.

tunnel-id—

Specifies a tunnel identifier.

Values—

0 to 4294967295

leaf—

Specifies that the tunnel leafs are displayed.

Output

The following is an example of a BIER tunnel table. Table 40 provides BIER tunnel table descriptions.

Sample Output

*A:Dut-A# show router bier tunnel prefix 10.20.1.3

===============================================================================

BIER Tunnels

===============================================================================

Tunnel-id Type Oper No. Of Leaves

BFR Prefx Bfr-ID Mpls Label Sub-domain

-------------------------------------------------------------------------------

73941 rx In service 0

10.20.1.3 767 1048475 4

73942 rx In service 0

10.20.1.3 767 1048473 1

73943 rx In service 0

10.20.1.3 767 1048573 1

73944 rx In service 0

10.20.1.3 3 1048474 0

73945 rx In service 0

10.20.1.3 3 1048471 3

73946 rx In service 0

10.20.1.3 767 1048470 4

73947 rx In service 0

10.20.1.3 3 1048574 0

73948 rx In service 0

10.20.1.3 1593 1048472 2

73949 rx In service 0

10.20.1.3 3 1048477 3

73950 rx In service 0

10.20.1.3 1593 1048480 2

73951 rx In service 0

10.20.1.3 767 1048476 4

73952 rx In service 0

10.20.1.3 3 1048478 3

73955 rx In service 0

10.20.1.3 1593 1048481 2

73956 rx In service 0

10.20.1.3 767 1048485 1

73957 rx In service 0

10.20.1.3 3 1048490 0

===============================================================================

BIER Tunnel entries : 15

===============================================================================

Table 40: BIER Tunnel Fields

Label	Description
Tunnel-id	The tunnel ID allocated for this tunnel
Type	The tunnel type, indicated if it is a terminating tunnel or an originating one
Oper	The operational status of the tunnel
No. of Leaves	The number of leaves associated with the tunnel if the tunnel type is tx or BFIR. This field represents the number of leafs associated with it. If the tunnel type is rx or BFER, this field is zero.
BFR Prefix	The BFR prefix associated with the root of the tunnel
Bfr-ID	The BFR ID associated with the root of the tunnel
Mpls Label	If the tunnel type is tx or BFIR, this field represents the egress VPRN label allocated. If the tunnel type is rx or BFER, this field represents the ingress VPRN label allocated by the root.
Sub-domain	The sub-domain associated with the root of the tunnel