Hi everyone,
   I am testing with the VPP Policer. I don’t find any documentation of this so 
I have some questions.

  *   If I have configured the Policer with the following command,
#vpp> config policer name policer1 cir 250000 cb 37500000 rate kbps round down 
type 1r2c conform-action transmit
Is it necessary to function the policer by using classify session ? If I don’t 
specify it, seemingly the packets are forwarded directly.

  *   If I must specify classify sessions, then is there a way to specify a set 
of IPs (e.g. destination IPs) quickly rather than 1 line of classify for each? 
It seems after the dst param I could only specify 1 IP.
  *   If I use classify sessions and attach multiple sessions (e.g. multiple 
dst IPs) to 1 policer, then does the same bucket of this policer shared by all 
the sessions?
  *   Is there a way to allow all the ipv4 traffic but limit the total number 
of possible IPs and control the rate of each flow separately with the same CIR 
and CB size in VPP?
Best Wishes
Pan

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