HP FlexNetwork HSR6600 Configuration Manual page 302

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# Configure PE 4, CE 4 and CE 6 in the same way that PE 3, CE 3, and CE 5 are configured.
(Details not shown.)
5.
Establish MP-EBGP peer relationship between service provider PEs and their CEs to exchange
user VPNv4 routes:
# On PE 1, enable nested VPN, and enable VPNv4 route exchange with CE 1.
[PE1] bgp 100
[PE1-bgp-default] address-family vpnv4
[PE1-bgp-default-vpnv4] nesting-vpn
[PE1-bgp-default-vpnv4] quit
[PE1-bgp-default] ip vpn-instance vpn1
[PE1-bgp-default-vpn1] address-family vpnv4
[PE1-bgp-default-vpnv4-vpn1] peer 11.1.1.1 enable
[PE1-bgp-default-vpnv4-vpn1] quit
[PE1-bgp-default-vpn1] quit
[PE1-bgp-default] quit
# On CE 1, enable VPNv4 route exchange with PE 1.
[CE1] bgp 200
[CE1-bgp-default] address-family vpnv4
[CE1-bgp-default-vpnv4] peer 11.1.1.2 enable
# Allow the local AS number to appear in the AS-PATH attribute of the routes received.
[CE1-bgp-default-vpnv4] peer 11.1.1.2 allow-as-loop 2
# Disable route target based filtering of received VPNv4 routes.
[CE1-bgp-default-vpnv4] undo policy vpn-target
[CE1-bgp-default-vpnv4] quit
[CE1-bgp-default] quit
# Configure PE 2 and CE 2 in the same way that PE 1 and CE 1 are configured. (Details not
shown.)
6.
Establish MP-IBGP peer relationships between sub-VPN PEs and CEs of the customer VPN to
exchange VPNv4 routes of sub-VPNs:
# Configure PE 3.
[PE3] bgp 200
[PE3-bgp-default] peer 2.2.2.9 as-number 200
[PE3-bgp-default] peer 2.2.2.9 connect-interface loopback 0
[PE3-bgp-default] address-family vpnv4
[PE3-bgp-default-vpnv4] peer 2.2.2.9 enable
# Allow the local AS number to appear in the AS-PATH attribute of the routes received.
[PE3-bgp-default-vpnv4] peer 2.2.2.9 allow-as-loop 2
[PE3-bgp-default-vpnv4] quit
[PE3-bgp-default] quit
# Configure CE 1.
[CE1] bgp 200
[CE1-bgp-default] peer 1.1.1.9 as-number 200
[CE1-bgp-default] peer 1.1.1.9 connect-interface loopback 0
[CE1-bgp-default] address-family vpnv4
[CE1-bgp-default-vpnv4] peer 1.1.1.9 enable
[CE1-bgp-default-vpnv4] undo policy vpn-target
[CE1-bgp-default-vpnv4] quit
[CE1-bgp-default] quit
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