DBI:iRule when match with string,divert to pool

 
 when CLIENT_ACCEPTED { 
  
     Save default pool name 
    set default_pool [LB::server pool] 
 } 
 when HTTP_REQUEST { 
  
     Check requested path 
    switch [HTTP::path] { 
       "/robots.txt" { 
           Request is for /robots.txt, use different pool 
          pool robots_pool 
       } 
       default { 
           Request not for /robots.txt, use default pool 
          pool $default_pool 
       } 
    } 
 }