From: Pavel Bykov (slidersv@gmail.com)
Date: Mon Nov 24 2008 - 17:48:14 ARST
Just as Eric said, here is confirmation from gods themselves:
http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094431.shtml
<---
Paths that are marked as (received-only) in the show ip bgp longer-prefixes
output
The policy has rejected these paths. However, the router has stored the
paths because you have configured soft-reconfiguration inbound for the
neighbor that sends the path.
--->
soft reconfiguration creates a copy of all received routes from that
neighbor before filtering is applied, effectively (at least) doubling the
amount memory used.
On Mon, Nov 24, 2008 at 9:50 AM, Bit Gossip <bit.gossip@chello.nl> wrote:
> Experts,
> I really can not understand the meaning of this example in the Cisco
> documentation:
>
> http://www.cisco.com/en/US/partner/docs/ios/iproute/configuration/guide/irp_bgp_basic_net_ps6350_TSD_Products_Configuration_Guide_Chapter.html
> Any idea?
> Tx,
> Bit.
>
>
> The following sample output from the show ip bgp command shows the entry
> for the network 172.17.1.0. Both BGP peers are advertising 172.17.1.0/24
> but only the received-only path is stored for 192.168.3.2.
>
>
> BGP routing table entry for 172.17.1.0/24, version 11
> Paths: (3 available, best #3, table Default-IP-Routing-Table,
> RIB-failure(4))
> Flag: 0x820
> Advertised to update-groups:
> 1
> 50000
> 192.168.3.2 from 192.168.3.2 (172.17.1.0)
> Origin incomplete, metric 0, localpref 200, valid, external
> 50000, (received-only)
> 192.168.3.2 from 192.168.3.2 (172.17.1.0)
> Origin incomplete, metric 0, localpref 100, valid, external
> 40000
> 192.168.1.2 from 192.168.1.2 (172.16.1.0)
> Origin incomplete, metric 0, localpref 200, valid, external, best
>
>
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-- Pavel Bykov ---------------- Don't forget to help stopping the braindumps, use of which reduces value of your certifications. Sign the petition at http://www.stopbraindumps.com/Blogs and organic groups at http://www.ccie.net
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