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Cisco Bug: CSCul43589 - DOC: ASA OSPF spf throttle timer can't be less than 0.

Last Modified

Nov 27, 2020

Products (1)

  • Cisco Adaptive Security Appliance (ASA) Software

Known Affected Releases

9.1(3)

Description (partial)

Symptom:
This document states that OSPF spf calculation timers can be set to 0:
http://www.cisco.com/en/US/docs/security/asa/asa90/configuration/guide/route_ospf.html

The lowest value the ASA parser will accept is 1. IOS only allows the lowest value to be 1 as well.

Conditions:
Here is what it current states:
The spf-delay argument is the delay time (in seconds) between when OSPF receives a topology change and when it starts an SPF calculation. It can be an integer from 0 to 65535. The default time is 5 seconds. A value of 0 means that there is no delay; that is, the SPF calculation is started immediately. 

The spf-holdtime argument is the minimum time (in seconds) between two consecutive SPF calculations. It can be an integer from 0 to 65535. The default time is 10 seconds.

Here is what it should state:
The spf-delay argument is the delay time (in seconds) between when OSPF receives a topology change and when it starts an SPF calculation. It can be an integer from 0 to 65535. The default time is 5 seconds.

The spf-holdtime argument is the minimum time (in seconds) between two consecutive SPF calculations. It can be an integer from 0 to 65535. The default time is 10 seconds.
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