router_b#sh ip bgp
BGP table version is 3, local router ID is 172.16.1.1
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal
Origin codes: i - IGP, e - EGP, ? - incomplete

   Network          Next Hop            Metric LocPrf Weight Path
*> 0.0.0.0          10.0.0.4                      110      0 100 i
* i                 10.0.0.2                      200      0 100 i
* i221.10.1.0       11.1.1.1                 0    100      0 i
*>                  0.0.0.0                  0         32768 i
router_b#