[c-nsp] Change BGP default-originate to IGP?

Anton Kapela tkapela at gmail.com
Thu Oct 4 22:22:15 EDT 2012


On Thu, Sep 27, 2012 at 8:56 PM, Tom Lanyon <tom+c-nsp at oneshoeco.com> wrote:
> On 28/09/2012, at 4:03 AM, Christian Meutes wrote:
>> The best way is here really to inject the defaults via ISIS.
>
> Great - that's my current thinking too.  I just wanted to double-check that this was reasonable and I wasn't missing something!

Another option -- manually delay originating any bgp routes from the
ASR's to the 4900's with adjusted MRAI, to something, say 1.5x longer
than 'usual case' convergence:

http://www.cisco.com/en/US/docs/ios/iproute_bgp/command/reference/irg_bgp3.html#wp1105562

also +1 to inter-border router ibgp sessions over some other layer2
path/port pair/etc -- one should always have that, unless you can't
for some strange reason.

-Tk


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