eigrp/ospf packet types...

R3#sh ip eigrp traff
IP-EIGRP Traffic Statistics for AS 1
  Hellos sent/received: 55475/55473
  Updates sent/received: 26/29
  Queries sent/received: 3/0
  Replies sent/received: 0/1
  Acks sent/received: 13/17
  Input queue high water mark 2, 0 drops
  SIA-Queries sent/received: 0/0
  SIA-Replies sent/received: 0/0


DLS2#sh ip ospf traff

OSPF statistics:
  Rcvd: 50040 total, 0 checksum errors
        47851 hello, 35 database desc, 8 link state req
        979 link state updates, 1167 link state acks

  Sent: 53573 total
        50795 hello, 49 database desc, 8 link state req
        2154 link state updates, 570 link state acks



            OSPF Router with ID (10.1.212.1) (Process ID 1)

OSPF queue statistics for process ID 1:

                   InputQ     UpdateQ    OutputQ
  Limit            0          200        0        
  Drops            0          0          0        
  Max delay [msec] 17         210        0        
  Max size         3          3          2        
    Invalid        0          0          0        
    Hello          0          0          1        
    DB des         1          1          1        
    LS req         1          1          0        
    LS upd         1          1          0        
    LS ack         0          0          0   


and let's not forget bgp messaging

1	OPEN message	Used to open BGP sessions
2	UPDATE message	Carries route updates for established BGP sessions
3	NOTIFICATION   message	Notifies a peer router of an error condition
4	KEEPALIVE message	Sent between BGP peering routers to verify BGP session
5	ROUTE-REFRESH message	An optional message (negotiated during capability advertisement) that is sent to request dynamic BGP route updates from the Adj-RIB-Out table of a remote BGP speaker