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show chassis forwarding-options

Syntax

Description

Display the configuration for the Unified Forwarding Table.

Options

There are no options for this command.

Note:

Starting in Junos OS Releases 17.3R2, for QFX5200 Virtual Chassis, information about memory banks are displayed only for the Primary, not for the other members. Values remain the same across all members. All configuration changes for the Unified Forwarding Table are made through the Primary.

Required Privilege Level

view

Output Fields

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

Table 1: show chassis forwarding-options Output Fields

Field Name

Field Description

profile name

Name of profile configured:

  • custom-profile (QFX5200 only)

  • l2-profile-one

  • l2-profile-three (default)

  • l2-profile-two

  • l3-profile

  • lpm-profile

MAC

Maximum amount of memory allocated for Layer 2 entries.

L3-host

Maximum amount of memory allocated for Layer 3 host entries.

LPM

Maximum amount of memory allocated for longest match prefix (LPM) entries.

num-65-127-prefix

Maximum amount of memory allocated in LPM table for IP prefixes with lengths in the range /65 through /127.

Total scale(K)

(QFX5200 only) Maximum amount of memory allocated for each address type. This amount includes the amount configured plus the amount allocated through the dedicated hash table.

Bank details for various types of entries

(QFX5200 only) Maximum amount of memory configured by address type for each of the four shared memory banks and the dedicated hash table.

Entry type

(QFX5200 only) Type of forwarding-table entry: L2(mac); L3 (unicast and multicast); Exact Match; and Longest Prefix Match (lpm)

Dedicated bank size(K)

(QFX5200 only) Maximum amount of memory allocated for each address type in the dedicated hash table.

Shared bank size(K)

(QFX5200 only) Default Maximum amount of memory allocated for each address type in the shared memory banks.

Sample Output

show chassis forwarding-options (l2-profile-three)

show chassis forwarding-options (custom-profile on QFX5200 Series switch)

show chassis forwarding-options (QFX5200 Virtual Chassis)

Release Information

Command introduced in Junos OS Release 13.2

Support added to QFX5200 switches in Junos OS Release 15.1X53-D30