OSPF reference bandwidth and ASA firewalls

Unanswered Question
Dec 2nd, 2008
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Hello all,

I'm looking to set the reference bandwidth on all my OSPF devices to account for 100gb links by using the router config command


auto-cost reference-bandwidth 100000.


Unfortunately, the ASAs in my network don't appear to support this command. I don't think it will cause them an issue but can anyone offer guidance on how devices that don't support a reference-bandwidth setting (such as the ASA) may interact with devices that do? I have yet to find any relevant info.


Thanks in advance,

Matt

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satish_zanjurne Tue, 12/02/2008 - 11:23
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Hi,


You can make good use of "ospf cost xxx" interface configuration command as alternative.


HTH...rate if helpful..

MATTHEW BECK Tue, 12/02/2008 - 11:36
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Hi,

Yeah, I know I can set the interface cost with the ASA and I probably will, but I'm looking for info on what a best practice might be. Everything I read says all OSPF routers should have the same reference bandwidth but doesn't explain what may happen if a device doesn't support it.


Thanks for the comment and take care!

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