On Mon, Mar 17, 2008 at 12:22:48PM +0530, Jyotirmay Samanta wrote: > Is there any option in Juniper to partially modify the community in a > routing update?
i haven't looked if there's a better way of doing this (i don't have a juniper lying around where i'm at right now...). > Let me just give an example. Say router A got a route from router B with a > community string 12345:67890 and when router A want to advertise this route > to router C it should only change the last digit to 7 so the effective > outbound community should be 12345:67897 .... and I need to do this(like > changing the last digit only) for hundred different communities so a delete > and add option is not viable, I need to find some modify option. depending on how many permutations of the right hand side you have, you could just write a script that generates one rule per-community if 12345:6786[0-9] then delete [ 67860 67861 .... ], add 12345:67867 if 12345:6787[0-9] then delete [ .... ] add 12345:67877 if 12345:6788[0-9] then delete [ .... ] add 12345:67887 if 12345:6789[0-9] then delete [ .... ] add 12345:67897 scripting the generation of these rules is trivial. how much it'll impact convergence time really depends on how many of these you have floating around in use. -- - bill fumerola / [EMAIL PROTECTED] _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
