BGP Best Path Selection

Studying the BSCI for CCNP can be hard for the reason that you need to memorize some stuff like BGP Best Path Selection. Few months ago I found this mnemonic helpful to memorize the BGP Path Selection Process. It's easy as eating pancakes and it is We Love Oranges AS Oranges Mean Pure Refreshment. By taking note of the letters in caps, one will immediately remember how BGP selects the best path by the list below.


“We Love Oranges AS Oranges Mean Pure Refreshment”

W Weight (Highest)
L LOCAL_PREF (Highest)
O Originate (local) routes that are advertise through the "network" command or redistributed from an IGP.
AS AS_PATH (shortest)
O ORIGIN Code (IGP > EGP > Incomplete)
M MED (lowest)
P Paths (External > Internal)
R RID (lowest)


That was easy! So from now on, every time you see an orange, BGP will always come in mind! Cheers!

Comments

9 Responses to "BGP Best Path Selection"

Anonymous said... February 28, 2009 at 4:16 PM

more on BGP please. hehehe. aus to...

Anonymous said... February 28, 2009 at 5:32 PM

Yeah keep on rocking dude. This post is good and very helpful.

Anonymous said... March 1, 2009 at 3:28 PM

I love you so much!!!! Keep on posting!!!!! heheeheheehehhe

Anonymous said... April 13, 2009 at 1:52 PM

Keep the dream man! Never give it up. Keep on posting! Can we have more on theology

phyo phyohein said... March 1, 2013 at 1:03 PM

Good job.

Anonymous said... March 4, 2013 at 12:07 PM

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W=Weight
L=Local Preference
S=Self-Originated
A=AS path
O=Origin
M=Med
E=External
I=Igp costs
E=Ebgp peering
R=Router ID

Anonymous said... April 5, 2013 at 12:28 AM

ooooooooooooops, I can remember now...Thanks a lot

kevin ridsdale said... June 7, 2013 at 4:03 AM

Brilliant

dreamweaver said... March 8, 2014 at 5:07 AM

Lower the Weight higher the preference

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