[quagga-users 14949] Re: announce problem between quagga and cisco router

Yavuz Maşlak <[email protected]> Mon, 19 Feb 2018 18:00:34 +0300
Newsgroups gmane.network.quagga.user
Message-ID <CAH47Nx8tQNUb0E7+EfDybiPrWyyAfTV9XoCnJqC=RTo3aCr22w@mail.gmail.com>
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Well  How can i configure on the quagga about prefix-list / router-map or
as-path to be advertised regarding routes towards the cisco router ?
There is a 192.168.0.0/22 to be advertised
Could you give me an example about that ?
Regards


On Mon, Feb 19, 2018 at 5:50 PM, William Herrin <[email protected]> wrote:

> On Mon, Feb 19, 2018 at 1:45 AM, Yavuz Ma=C5=9Flak <[email protected]=
>
> wrote:
> > # show ip bgp neighbors 172.16.17.2 advertised-routes
>
> > It comes nothing
>
> Now you've confirmed that quagga isn't advertising the route (as
> opposed to the Cisco router filtering it).
>
> There are several common causes for this:
>
> 1. The exact route you define in the router bgp network statement is
> not present in the routing table.
> 2. The ip prefix-list you applied does not allow the route to be
> advertised.
> 3. The as-path access list you applied does not allow the route to be
> advertised.
> 4. An error in your route map prevented the lists from being applied
> so the default deny-all list was applied.
>
> Regards,
> Bill Herrin
>
> --
> William Herrin ................ herrin-n7Wb/xkVUn1Wk0Htik3J/[email protected]  [email protected]
> Dirtside Systems ......... Web: <http://www.dirtside.com/>
>

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<div dir=3D"ltr"><div>Well=C2=A0 How can i configure on the quagga about pr=
efix-list / router-map or as-path to be advertised regarding routes towards=
 the cisco router ?<br></div><div>There is a <a href=3D"http://192.168.0.0/=
22">192.168.0.0/22</a> to be advertised <br></div><div>Could you give me an=
 example about that ? <br></div><div>Regards<br></div><br></div><div class=
=3D"gmail_extra"><br><div class=3D"gmail_quote">On Mon, Feb 19, 2018 at 5:5=
0 PM, William Herrin <span dir=3D"ltr">&lt;<a href=3D"mailto:[email protected]=
" target=3D"_blank">[email protected]</a>&gt;</span> wrote:<br><blockquote cla=
ss=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;pa=
dding-left:1ex"><span class=3D"">On Mon, Feb 19, 2018 at 1:45 AM, Yavuz Ma=
=C5=9Flak &lt;<a href=3D"mailto:[email protected]">[email protected]=
m</a>&gt; wrote:<br>
&gt; # show ip bgp neighbors 172.16.17.2 advertised-routes<br>
<br>
</span>&gt; It comes nothing<br>
<br>
Now you&#39;ve confirmed that quagga isn&#39;t advertising the route (as<br=
>
opposed to the Cisco router filtering it).<br>
<br>
There are several common causes for this:<br>
<br>
1. The exact route you define in the router bgp network statement is<br>
not present in the routing table.<br>
2. The ip prefix-list you applied does not allow the route to be advertised=
.<br>
3. The as-path access list you applied does not allow the route to be<br>
advertised.<br>
4. An error in your route map prevented the lists from being applied<br>
so the default deny-all list was applied.<br>
<div class=3D"HOEnZb"><div class=3D"h5"><br>
Regards,<br>
Bill Herrin<br>
<br>
--<br>
William Herrin ................ <a href=3D"mailto:herrin-n7Wb/xkVUn1Wk0Htik3J/[email protected]">herr=
in-n7Wb/xkVUn1Wk0Htik3J/[email protected]</a>=C2=A0 <a href=3D"mailto:[email protected]">[email protected]<=
/a><br>
Dirtside Systems ......... Web: &lt;<a href=3D"http://www.dirtside.com/" re=
l=3D"noreferrer" target=3D"_blank">http://www.dirtside.com/</a>&gt;<br>
</div></div></blockquote></div><br></div>

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