Nick, Don't worry to much about that. If you get a question like that, ask the proctor for clarification but I highly doubt you'll need to worry about order. Just make sure all the communities are there.
Respectfully, Ryan Krcelic On 2/4/13 5:09 PM, "Nick Bonifacio" <[email protected]> wrote: > Hi Everyone, > > Thank you for the valuable feedback.. > > From what I can tell (in GNS3), it goes smallest to largest (decimal) no > matter what is put in the route-map: > > R2(config-route-map)#set community 867 5 309 > R2(config-route-map)#do clear ip bgp * > > *Mar 1 00:25:51.527: %BGP-5-ADJCHANGE: neighbor 10.0.12.1 Down User reset > R2(config-route-map)#do sh ip bgp 1.1.1.1 > BGP routing table entry for 1.1.1.0/24, version 2 > Paths: (1 available, best #1, table Default-IP-Routing-Table) > Flag: 0x820 > Not advertised to any peer > Local > 10.0.12.1 from 10.0.12.1 (1.1.1.1) > Origin IGP, metric 0, localpref 100, valid, internal, best > Community: 5 309 867 > > R2(config-route-map)# > *Mar 1 00:25:54.103: %BGP-5-ADJCHANGE: neighbor 10.0.12.1 Up > R2(config-route-map)#do sh ip bgp 1.1.1.1 > BGP routing table entry for 1.1.1.0/24, version 2 > Paths: (1 available, best #1, table Default-IP-Routing-Table) > Flag: 0x820 > Not advertised to any peer > Local > 10.0.12.1 from 10.0.12.1 (1.1.1.1) > Origin IGP, metric 0, localpref 100, valid, internal, best > Community: 5 309 867 > > R2(config-route-map)#do sh run | sec route-map > neighbor 10.0.12.1 route-map MAN_COMM in > route-map MAN_COMM permit 10 > set community 5 309 867 > R2(config-route-map)# > > R2(config-route-map)#no set community 867 5 309 > > R2(config-route-map)#set commu 500 100 200 999 > R2(config-route-map)#do clear ip bgp * > R2(config-route-map)#do sh ip bgp > *Mar 1 00:27:06.359: %BGP-5-ADJCHANGE: neighbor 10.0.12.1 Down User reset > > > R2(config-route-map)#do sh ip bgp 1.1.1.1 > *Mar 1 00:27:07.747: %BGP-5-ADJCHANGE: neighbor 10.0.12.1 Up > R2(config-route-map)#do sh ip bgp 1.1.1.1 > BGP routing table entry for 1.1.1.0/24, version 2 > Paths: (1 available, best #1, table Default-IP-Routing-Table) > Flag: 0x820 > Not advertised to any peer > Local > 10.0.12.1 from 10.0.12.1 (1.1.1.1) > Origin IGP, metric 0, localpref 100, valid, internal, best > Community: 100 200 500 999 > > R2(config-route-map)#do sh run | sec route-map > neighbor 10.0.12.1 route-map MAN_COMM in > route-map MAN_COMM permit 10 > set community 100 200 500 999 > R2(config-route-map)# > > OCD satisfied! > > Thanks! > Nick > > ________________________________ > From: Michael Davis - Webquor <[email protected]> > To: Marko Milivojevic <[email protected]> > Cc: IPExpert Study List <[email protected]> > Sent: Monday, February 4, 2013 3:55 AM > Subject: Re: [OSL | CCIE_RS] BGP Community Additive Order > > I have been meaning to ask the same question for months... > > Sent from my iPhone > > On 04/02/2013, at 7:18 PM, "Marko Milivojevic" <[email protected]> wrote: > >> Why do you think it sounds fishy? It looks like a legitimate question to me? >> >> Ryan - when using expanded community lists, you can use regular >> expressions to match against the community string, which can be used >> to match the exact order of communities. >> >> -- >> Marko Milivojevic - CCIE #18427 (SP R&S) >> Senior CCIE Instructor / Managing Partner - IPexpert >> >> On Sun, Feb 3, 2013 at 9:24 PM, imad Abdallah <[email protected]> >> wrote: >>> This question sounds fishy!!! :-) >>> In my opinion it doesn't matter as long as the community list has all the >>> required values >>> >>> Regards,ImadCCIE No. 37928 >>> >>>> Date: Sun, 3 Feb 2013 11:54:57 -0800 >>>> From: [email protected] >>>> To: [email protected] >>>> Subject: [OSL | CCIE_RS] BGP Community Additive Order >>>> >>>> Hi Everyone, >>>> >>>> Just a bit of an OCD question here.... >>>> >>>> Does the order of community numbers matter? >>>> >>>> For example, let's say you have eBGP routes that have community 867. >>>> >>>> Then lets say a task wants you to change the community to 867 5 309 >>>> >>>> >>>> if I create a route-map to accomplish that >>>> >>>> >>>> route-map BGP_COMM >>>> set community 5 309 additive >>>> >>>> and then apply it to the peer for incoming routes, I get >>>> >>>> community: 309 5 867 >>>> >>>> have I still satisfied the task "change the community to 867 5 309"? >>>> _______________________________________________ >>>> For more information regarding industry leading CCIE Lab training, please >>>> visit http://www.ipexpert.com/ >>>> >>>> Are you a CCNP or CCIE and looking for a job? Check out >>>> http://www.platinumplacement.com/ >>>> >>>> http://onlinestudylist.com/mailman/listinfo/ccie_rs >>> >>> _______________________________________________ >>> For more information regarding industry leading CCIE Lab training, please >>> visit www.ipexpert.com >>> >>> Are you a CCNP or CCIE and looking for a job? Check out >>> www.PlatinumPlacement.com >>> >>> http://onlinestudylist.com/mailman/listinfo/ccie_rs >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> >> Are you a CCNP or CCIE and looking for a job? Check out >> www.PlatinumPlacement.com >> >> http://onlinestudylist.com/mailman/listinfo/ccie_rs > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > Are you a CCNP or CCIE and looking for a job? Check out > www.PlatinumPlacement.com > > http://onlinestudylist.com/mailman/listinfo/ccie_rs > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > Are you a CCNP or CCIE and looking for a job? Check out > www.PlatinumPlacement.com > > http://onlinestudylist.com/mailman/listinfo/ccie_rs V/r, Ryan Krcelic _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com http://onlinestudylist.com/mailman/listinfo/ccie_rs
