252 
The flap statistics of all the routes is cleared if no parameter is specified. 
Examples 
# Clear the flap statistics of all IPv4 MBGP routes that match AS path list 10. 
<Sysname> reset bgp ipv4 multicast flap-info as-path-acl 10 
summary automatic (MBGP address family view) 
Syntax 
summary automatic 
undo summary automatic 
View 
IPv4 MBGP address family view 
Default level 
2: System level 
Parameters 
None 
Description 
Use summary automatic to enable automatic summarization for redistributed subnets.  
Use undo summary automatic to disable automatic summarization. 
By default, automatic summarization is disabled. 
The default routes and the routes imported through the network command cannot be automatically 
summarized. 
The summary automatic command helps IPv4 MBGP limit the number of routes redistributed from IGP. 
Examples 
# In IPv4 MBGP address family view, enable automatic route summarization. 
<Sysname> system-view 
[Sysname]bgp 100 
[Sysname-bgp] ipv4-family multicast 
[Sysname-bgp-af-mul] summary automatic