RE: Specific route manipulation in BGP

Ok, Let me put this other way.
I have this 2 routers.. R1 (2 interfaces) and R2 (2 interfaces). 1 interface -
Direct connection call it Layer 2 between R1 and R2 2 interface - Frame Relay
cloud between R1 and R2.
I only want R1 to advertise 10.100.60.11, 10.100.60.13 to 10.20.80.11 and vice
versa over Layer 2 (1 interface).
The rest of the traffic goes via Frame Relay.
-yuri
> From: ebay_products_at_hotmail.com
> To: fabre.gilles_at_voila.fr; ccielab_at_groupstudy.com
> Subject: RE: Specific route manipulation in BGP
> Date: Mon, 23 Dec 2013 10:43:09 -0800
>
> This has been an issue where you can't cut-paste the config in the study
> group. I will try to type the config
> The config !router bgp 65500 neighbor 10.255.0.26 TRAFFIC_OVER_L2 out!ip
> prefix-list OVER_L2 seq 5 permit 10.100.60.0/24ip prefix-list OVER_L2 seq
10
> permit 10.100.22.0/24ip prefix-list OVER_L2 seq 15 permit 10.100.126.0/23ip
> prefix-list OVER_L2 seq 20 permit 10.3.0.0/16!
> Is there a way to exclude 10.3.20.x/24 from 10.3.0.0/16?
> -yuri
>
>
> Date: Mon, 23 Dec 2013 18:05:56 +0100
> From: fabre.gilles_at_voila.fr
> To: ebay_products_at_hotmail.com; ccielab_at_groupstudy.com
> Subject: re: Specific route manipulation in BGP
>
> hi
>
> not sure I understand exactly (config is almost unreadable as CR were lost
in
> the message), but for what I see you need to setup different ways for
subset
> routes of a /24 block.
> In order to act on a prefix, you have to receive it from the remote
> neighbor...
> Otherwise, inject-maps can be an option.
>
> Gilles.
>
>
> > Message du 23/12/13 ` 16h27
> > De : "Cisco Fanatic"
> > A : "ccielab_at_groupstudy.com"
> > Copie ` :
> > Objet : Specific route manipulation in BGP
> >
> > It's easy when I read theory all clear, but let me ask the experts here
and
> > see if i can nail this down.
> > p-t-p connection named layer 2, L2.
> > 1 side 10.100.x.x/24 and other side 10.20.x.x
> > Is there a way to exclude and be specific out of 10.100.x.x/24 and
> > 10.20.x.x/24 subnets so traffic below only goes to Layer 2, L2?
> > 10.100.60.11 _` 10.20.80.1110.100.60.13 _` 10.20.80.11
> > !router bgp 65500 bgp log-neighbor-changes redistribute connected
> redistribute
> > static redistribute eigrp 1000 neighbor 10.255.0.26 remote-as 65501
> neighbor
> > 10.255.0.26 timers 30 90 neighbor 10.255.0.26 soft-reconfiguration
inbound
> > neighbor 10.255.0.26 route-map setweightCAin in neighbor 10.255.0.26
> route-map
> > TRAFFIC_OVER_L2 out!access-list 10 permit 10.13.0.0
0.0.255.255access-list
> 10
> > permit 10.20.22.0 0.0.0.255access-list 10 permit 10.20.80.0
> > 0.0.0.255!route-map setweightCAin permit 10 match ip address 10 set
weight
> > 32769!ip prefix-list OVER_L2 seq 5 permit 10.100.60.0/24ip prefix-list
> OVER_L2
> > seq 10 permit 10.100.22.0/24ip prefix-list OVER_L2 seq 15 permit
> > 10.100.126.0/23!route-map TRAFFIC_OVER_L2 permit 10 match ip address
> > prefix-list OVER_L2!route-map TRAFFIC_OVER_L2 permit 20 set as-path
prepend
> > 65500 65500 65500 65500!
> >
> >
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Received on Mon Dec 23 2013 - 17:38:04 ART