Packet Tracer 5.3.0.0088 是否支持 PIM sm

Question

我正在使用数据包跟踪器 5.3.0.0088，但我发现它不支持在全局配置模式下启用 IP 多播，也不支持在两个路由器之间的接口模式下启用 PIM SM。

r1(config)#ip mult
r1(config)#ip mult
r1(config)#ip ?
  access-list       Named access-list
  default-network   Flags networks as candidates for default routes
  dhcp              Configure DHCP server and relay parameters
  domain            IP DNS Resolver
  domain-lookup     Enable IP Domain Name System hostname translation
  domain-name       Define the default domain name
  forward-protocol  Controls forwarding of physical and directed IP broadcasts
  ftp               FTP configuration commands
  host              Add an entry to the ip hostname table
  inspect           Context-based Access Control Engine
  ips               Intrusion Prevention System
  local             Specify local options
  name-server       Specify address of name server to use
  nat               NAT configuration commands
  route             Establish static routes
  ssh               Configure ssh options
  tcp               Global TCP parameters
r1(config)#ip 

请告诉我如何启用 PIM 或至少 IP 多播？