Re: bgp tranzit

Da, cred ca asta vreau. Merci. N-am mai BGP-at pana acum, si cam toate
tutorialele zic numai de filtrare pe in.

On Sat, Mar 11, 2017 at 12:23 AM Bogdan-Stefan Rotariu <[email protected]>
wrote:

>
>
>
>
> > On 11 Mar 2017, at 00:15, Andrei-Florian Staicu <[email protected]>
> wrote:
> >
> > Salut,
> >
> > Am urmatoarea configuratie de bgpd/quagga:
> > router bgp 65315
> >  bgp router-id 10.129.1.34
> >  bgp log-neighbor-changes
> >  network 192.168.0.0/21
> >  neighbor  10.254.254.2 remote-as 65315
> >  neighbor  10.254.254.2 soft-reconfiguration inbound
> >  neighbor  10.254.254.2 capability dynamic
> >  neighbor  10.254.254.2 weight 100
> >  neighbor  10.254.254.2 description I01
> >  neighbor 10.254.254.10 remote-as 65315
> >  neighbor 10.254.254.10 soft-reconfiguration inbound
> >  neighbor 10.254.254.10 capability dynamic
> >  neighbor 10.254.254.10 weight 100
> >  neighbor 10.254.254.10 description I02
> > !
> >  access-list all permit any
> > !
> >
> > Primesc de la 10.254.254.2 10.200.1.0/24 si de la 10.254.254.10
> > 10.200.2.0/24.
> > Dar cum pot sa le anunt "invers"? Adica sa anunt catre 10.254.254.2
> > 10.200.2.0/24 si catre 10.254.254.10 10.200.1.0/24
> > Mai pe scurt, as vrea ca 10.129.1.34 sa devina tranzit intre neighbor-ii
> > aia doi.
>
> Salut,
>
> Fiind in acelasi L2, tu nu o sa fii decit un route-server, asta vrei?
>
> Solutia simpla:
>
> ip prefix-list PF-l01 permit 10.200.2.0/24
> ip prefix-list PF-l02 permit 10.200.1.0/24
>
> neighbor 10.254.254.2 prefix-list PF-l01 in
> neighbor 10.254.254.2 prefix-list PF-l02 out
>
> neighbor 10.254.254.10 prefix-list PF-l02 in
> neighbor 10.254.254.10 prefix-list PF-l01 out
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