Re: [j-nsp] cgnat on service module - interesting bgp advertisements

> Alexander Arseniev > Sent: Wednesday, April 20, 2016 7:36 AM > > Hello, > MS-MIC (and MS-MPC NPUs as well) automatically cuts out network (in your > case .128) and broadcast (in your case .255) IPs. > The rest cannot be expressed as single prefix, hence a bunch of smaller > prefixes is annonced

Re: [j-nsp] cgnat on service module - interesting bgp advertisements

9 Aaron From: Alexander Arseniev [mailto:arsen...@btinternet.com] Sent: Wednesday, April 20, 2016 11:58 AM To: Aaron <aar...@gvtc.com>; juniper-nsp@puck.nether.net Subject: Re: [j-nsp] cgnat on service module - interesting bgp advertisements Hello, When using "address

Re: [j-nsp] cgnat on service module - interesting bgp advertisements

:* Wednesday, April 20, 2016 1:36 AM *To:* Aaron <aar...@gvtc.com>; juniper-nsp@puck.nether.net *Subject:* Re: [j-nsp] cgnat on service module - interesting bgp advertisements Hello, MS-MIC (and MS-MPC NPUs as well) automatically cuts out network (in your case .128) and broadcast (in

Re: [j-nsp] cgnat on service module - interesting bgp advertisements

100I [edit] From: Alexander Arseniev [mailto:arsen...@btinternet.com] Sent: Wednesday, April 20, 2016 1:36 AM To: Aaron <aar...@gvtc.com>; juniper-nsp@puck.nether.net Subject: Re: [j-nsp] cgnat on service module - interesting bgp advertisements

Re: [j-nsp] cgnat on service module - interesting bgp advertisements

Hello, MS-MIC (and MS-MPC NPUs as well) automatically cuts out network (in your case .128) and broadcast (in your case .255) IPs. The rest cannot be expressed as single prefix, hence a bunch of smaller prefixes is annonced instead. This was done as PR 1019354 fix

Re: [j-nsp] cgnat on service module - interesting bgp advertisements

x104-cgn> agould@eng-lab-mx104-cgn> show configuration policy-options agould@eng-lab-mx104-cgn> From: Tim Jackson [mailto:jackson@gmail.com] Sent: Tuesday, April 19, 2016 7:01 PM To: Aaron <aar...@gvtc.com> Cc: jnsp <juniper-nsp@puck.nether.net> Subject: Re:

Re: [j-nsp] cgnat on service module - interesting bgp advertisements

Mind pasting your show route for those routes and your export policy? On Apr 19, 2016 6:48 PM, "Aaron" wrote: > Very interesting. anyone know why this is happening ? Is this documented ? > I put a /25 as the public nat pool, but look what this mx104 is advertising > via bgp..

[j-nsp] cgnat on service module - interesting bgp advertisements

Very interesting. anyone know why this is happening ? Is this documented ? I put a /25 as the public nat pool, but look what this mx104 is advertising via bgp.. It appears to chop up that /25 into a bunch of smaller subnets and advertise those out agould@eng-lab-mx104-cgn> show