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
