HP FlexNetwork 10500 Series Configuration Manual page 327

Interface : Vlan-int12
Destination: FE80::/10
NextHop : ::
Interface : NULL0
Destination: FF00::/8
NextHop : ::
Interface : NULL0
# Enable BGP update packet debugging on PE 2. The output shows that PE 2 has advertised
the route to 100::/96, and the AS_PATH is 100 600.
<PE2> terminal monitor
<PE2> terminal logging level 7
<PE2> debugging bgp update vpn-instance vpn1 10:2::2 ipv6
<PE2> refresh bgp all export ipv6 vpn-instance vpn1
*Jun 13 16:12:52:096 2012 PE2 BGP/7/DEBUG: -MDC=1;
BGP_IPV6.vpn1: Send UPDATE to update-group 0 for following destinations:
Origin
AS path
Next hop
100::/96,
*Jun 13 16:12:53:024 2012 PE2 BGP/7/DEBUG: -MDC=1;
BGP.vpn1: Send UPDATE MSG to peer 10:2::2(IPv6-UNC) NextHop: 10:2::1.
# Execute the display bgp routing-table ipv6 peer received-routes command on CE 2 to
verify that CE 2 has not received the route to 100::/96.
<CE2> display bgp routing-table ipv6 peer 10:2::1 received-routes
Total number of routes: 0
2. Configure BGP AS number substitution:
# Configure BGP AS number substitution on PE 1.
<PE1> system-view
[PE1] bgp 100
[PE1-bgp-default] ip vpn-instance vpn1
[PE1-bgp-default-vpn1] peer 10:1::2 substitute-as
[PE1-bgp-default-vpn1] quit
[PE1-bgp-default] quit
# Configure BGP AS number substitution on PE 2.
<PE2> system-view
[PE2] bgp 100
[PE2-bgp-default] ip vpn-instance vpn1
[PE2-bgp-default-vpn1] peer 10:2::2 substitute-as
[PE2-bgp-default-vpn1] quit
[PE2-bgp-default] quit
: Incomplete
: 100 600
: ::FFFF:10.1.1.1
318
Cost : 0
Protocol : Direct
Preference: 0
Cost : 0
Protocol : Direct
Preference: 0
Cost : 0