Route Limits

Description

Command Syntax

Configuring Dynamic route limits

AW+ supports the ability to limit dynamic routes via the max-fib-routes command in the global VRF domain, which is unlimited by default. This same AW+ command is now also able to be applied on a per VRF basis.

max-fib-routes

Use the command max-fib-routes to set the maximum number of dynamic routes in FIB (Forwarding Information Base). Static and Connected routes are not included. Dynamic routes to be added to the HW FIB table that exceed the configured limit are rejected.

When an additional threshold value (in percentage) is configured, a warning message is generated if the number of dynamic routes in the FIB exceeds the threshold, and the routes exceeding the limit are rejected.If warning-only is specified, routes are still allowed to be added, but a warning message is generated when the threshold is reached.

When this command is executed in VRF Configuration mode, it sets the maximum number of dynamic routes that can be added to the HW FIB table associated with the VRF instance.

max-fib-routes <1-4294967294> (<1-100>warning-only)

PARAMETER

DESCRIPTION

 

 

max-fib-routes

Set maximum fib routes number

 

 

<1- 4294967294>

Allowed number of fib routes excluding Connect and Static

 

 

<1-100>

Warning threshold in percentage

 

 

warning-only

Allow to add more routes than the limit but with warning message

 

 

Default By default, the maximum number of dynamic routes is 4294967294 and no warning threshold is set.

Command Level

PROMPT

MODE

PRIVILEGE LEVEL

 

 

 

(config)

CONFIG_MODE

PRIVILEGE_MAX

 

 

 

(config-vrf)

VRF_MODE

PRIVILEGE_VR_MAX

 

 

 

Warning thresholds (percentage) can be configured for dynamic route limits.

awplus(vrf-config)#max-fib-routes <1-4294967294> WARNING-

THRESHOLD%

Examples To set the maximum number of dynamic routes to 2000 and warning threshold with 75%, applied to VRF red HW FIB, configure the following:

Configure VRF-lite Page 85

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Allied Telesis C613-16164-00 REV E manual Configuring Dynamic route limits, 100

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