BGP Debug

1. BGP Debug 过滤器：

   diagnose ip router bgp set-filter [vrf <vrf-id> | neighbor <neighbor-ip> | reset]
   diagnose ip router bgp filters enable

2. 例如过滤 BGP 邻居 202.103.1.1 的 Debug 信息：

   diagnose ip router bgp set-filter neighbor 202.103.1.1
   diagnose ip router bgp filters enable

3. 开启 BGP Debug：

   diagnose ip router bgp level info
   diagnose ip router bgp all enable
   diagnose debug console time enable