![](/images/new-backgrounds/1106489/10648911x1.webp)
OSPF
Feature Overview
Figure 4 Sham-Link Example
MPLS VPN Backbone
10.3.1.6PE-2
10.3.1.5
Winchester
10.3.1.7Area 1
Brighton
70393
Area 1 | Vienna | Stockholm | Area 1 |
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| 10.3.1.15 | 10.3.1.3 |
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The following example shows the forwarding that occurs between sites from the standpoint of how
PE-1# show ip bgp vpnv4 all 10.3.1.7
BGP routing table entry for 100:251:10.3.1.7/32, version 124 Paths: (1 available, best #1)
Local
10.3.1.2 (metric 30) from 10.3.1.2 (10.3.1.2)
Origin incomplete, metric 11, localpref 100, valid, internal, best
Extended Community: RT:1:793 OSPF DOMAIN ID:0.0.0.100 OSPF RT:1:2:0 OSPF 2
Known via "ospf 100", distance 110, metric 13, type intra area Redistributing via bgp 215
Last update from 10.3.1.2 00:12:59 ago Routing Descriptor Blocks:
10.3.1.2
The next example shows forwarding information in which the next hop for the route, 10.3.1.2, is the
vpnv4 all tag begin 10.3.1.7 |
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10.3.1.7/32 | 10.3.1.2 | notag/38 |
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Local | Outgoing | Prefix | Bytes tag | Outgoing | Next Hop |
tag | tag or VC | or Tunnel Id | switched | interface |
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31 | 42 | 10.3.1.2/32 | 0 | PO3/0/0 | point2point |
Cisco IOS Release 12.2(8)T
6