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Configuration procedure 
1.  Configure Router A: 
# Configure IP addresses for interfaces. (Details not shown.) 
# Configure the EBGP connection.  
<RouterA> system-view 
[RouterA] bgp 65008 
[RouterA-bgp] router-id 1.1.1.1 
[RouterA-bgp] peer 200.1.1.1 as-number 65009 
# Enable GR capability for BGP.  
[RouterA-bgp] graceful-restart 
# Inject network 8.0.0.0/8 to the IPv4 BGP routing table.  
[RouterA-bgp] address-family ipv4 
[RouterA-bgp-ipv4] network 8.0.0.0 
# Enable Router A to exchange IPv4 unicast routing information with Router B. 
[RouterA-bgp-ipv4] peer 200.1.1.1 enable 
2.  Configure Router B: 
# Configure IP addresses for interfaces. (Details not shown.) 
# Configure the EBGP connection.  
<RouterB> system-view 
[RouterB] bgp 65009 
[RouterB-bgp] router-id 2.2.2.2 
[RouterB-bgp] peer 200.1.1.2 as-number 65008 
# Configure the IBGP connection.  
[RouterB-bgp] peer 9.1.1.2 as-number 65009 
# Enable GR capability for BGP.  
[RouterB-bgp] graceful-restart 
# Inject networks 200.1.1.0/24 and 9.1.1.0/24 to the IPv4 BGP routing table.  
[RouterB-bgp] address-family ipv4 
[RouterB-bgp-ipv4] network 200.1.1.0 24 
[RouterB-bgp-ipv4] network 9.1.1.0 24 
# Enable Router B to exchange IPv4 unicast routing information with Router A and Router C. 
[RouterB-bgp-ipv4] peer 200.1.1.2 enable 
[RouterB-bgp-ipv4] peer 9.1.1.2 enable 
3.  Configure Router C: 
# Configure IP addresses for interfaces. (Details not shown.) 
# Configure the IBGP connection.  
<RouterC> system-view 
[RouterC] bgp 65009 
[RouterC-bgp] router-id 3.3.3.3 
[RouterC-bgp] peer 9.1.1.1 as-number 65009 
# Enable GR capability for BGP.  
[RouterC-bgp] graceful-restart 
# Enable Router C to exchange IPv4 unicast routing information with Router B. 
[RouterC-bgp] address-family ipv4