R0106-HP MSR Router Series Layer 3 - IP Routing Configuration Guide(V7)

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[RouterB-bgp] peer 10.1.1.1 as-number 100
[RouterB-bgp] peer 4.4.4.4 as-number 200
[RouterB-bgp] peer 4.4.4.4 connect-interface loopback 0
[RouterB-bgp] address-family ipv4 unicast
[RouterB-bgp-ipv4] peer 10.1.1.1 enable
[RouterB-bgp-ipv4] peer 4.4.4.4 enable
[RouterB-bgp-ipv4] peer 4.4.4.4 next-hop-local
[RouterB-bgp-ipv4] quit
[RouterB-bgp] quit
# Configure Router C to establish an EBGP session with Router A, and an IBGP session with Router
D.
<RouterC> system-view
[RouterC] bgp 200
[RouterC-bgp] router-id 3.3.3.3
[RouterC-bgp] peer 30.1.1.1 as-number 100
[RouterC-bgp] peer 4.4.4.4 as-number 200
[RouterC-bgp] peer 4.4.4.4 connect-interface loopback 0
[RouterC-bgp] address-family ipv4 unicast
[RouterC-bgp-ipv4] peer 30.1.1.1 enable
[RouterC-bgp-ipv4] peer 4.4.4.4 enable
[RouterC-bgp-ipv4] peer 4.4.4.4 next-hop-local
[RouterC-bgp-ipv4] quit
[RouterC-bgp] quit
# Configure Router D to establish IBGP sessions with Router B and Router C, and advertise network
4.4.4.4/32.
<RouterD> system-view
[RouterD] bgp 200
[RouterD-bgp] router-id 4.4.4.4
[RouterD-bgp] peer 2.2.2.2 as-number 200
[RouterD-bgp] peer 2.2.2.2 connect-interface loopback 0
[RouterD-bgp] peer 3.3.3.3 as-number 200
[RouterD-bgp] peer 3.3.3.3 connect-interface loopback 0
[RouterD-bgp] address-family ipv4 unicast
[RouterD-bgp-ipv4] peer 2.2.2.2 enable
[RouterD-bgp-ipv4] peer 3.3.3.3 enable
[RouterD-bgp-ipv4] network 4.4.4.4 32
4. Configure preferred values so Link B is used to forward traffic between Router A and Router D:
# Configure Router A to set the preferred value to 100 for routes received from Router B.
[RouterA-bgp-ipv4] peer 10.1.1.2 preferred-value 100
[RouterA-bgp-ipv4] quit
[RouterA-bgp] quit
# Configure Router D to set the preferred value to 100 for routes received from Router B.
[RouterD-bgp-ipv4] peer 2.2.2.2 preferred-value 100
[RouterD-bgp-ipv4] quit
[RouterD-bgp] quit
5. Configure BGP FRR:
# On Router A, configure the source address of BFD echo packets as 11.1.1.1.