The MIB module for serial Tunneling.
        
Overview of STUN MIB
        
MIB description
        
The STUN MIB provides the configuration and operational information 
on Cisco's serial tunnelling implementation.  The following entities
are managed:
 1) Global STUN information
 2) STUN groups
 3) STUN ports
 4) STUN routes
        
The following example configuration shows how the STUN MIB returns
STUN information, from either CISCO A or CISCO B.
        
 HOST == SDLC == Cisco A == IP Network == Cisco B == SDLC  == SDLC
         line                                        line     device
        
1) The STUN global entry identifies the IP address by which the
   router is known to other STUN peers.
2) The STUN group table identifies the STUN group number and protocol
   type that Cisco A and Cisco B use to route SDLC traffic over the 
   IP network.  The table contains an entry for each STUN group
   defined on the router.
3) The STUN port table identifies the serial interface to the SDLC 
   line for which the router is doing serial tunnelling.  The MIB also
   identifies the STUN group this interface is defined for, and
   identifies the default routing for unrecognized SDLC addresses.
   There is a port entry for each STUN-enabled interface on the router.
4) The STUN route table has an entry for each address defined for
   routing within the STUN group, and an entry for the default routing
   if the 'stun route all' command is configured.  The route entry
   includes identification of the STUN peer, priority, state, whether
   local acknowledgment is enabled, and packet and byte counters.