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This soft copy for use by IBM employees only.
This group contains configuration and state information of a bi-directional
VCL. Here VCs can be created, deleted or modified here. Also,
information can be found on the AAL that is in use on a VC specific
information can be found if AAL5 is used, such as the type of data
encapsulation.
− The Virtual Path (VP) Cross Connect Group
This group contains configuration and state information of all
point-to-point and point-to-multipoint VP cross connects. In other words,
it gives information on the VP swapping table. With this group VP
cross-connects can be established and removed.
− The Virtual Channel (VC) Cross Connect Group
This group performs the same functions as in the VP cross connect
group but for the VCs.
− The AAL5 Virtual Channel Connection Performance Statistics Group
This group contains the AAL5 performance statistics of a VCC.
•
OSPF MIB
Since the TRS function uses OSPF with very few modifications to the original
code, the IBM 8285 ATM network supports the OSPF MIB (RFC 1253)
unchanged.
•
ILMI MIB
This MIB is defined by
The ATM Forum
in the UNI specification. Following is
a brief description of the groups defined in these MIBs:
− Physical Port Group
This group gives information on a particular port such as the status,
transmission types and cable type.
− ATM Layer Group
This group has the maximum number of supported VPs and VCs on the
UNI, the number of VPs and VCs configured on the UNI and the number
of active VP and VC bits on the interface.
− ATM Statistics Group
Here you will find the number of cells received, dropped and transmitted
on the UNI.
− Virtual Path Group
This group gives information on the VPs on the UNI. This includes
status, traffic shaping, policing and QoS parameters.
− Virtual Channel Group
This group performs the same functions as the virtual path group but for
the VCs.
− Network Prefix Group
This group has information on the network prefix in use on the user side
of the UNI and its validity.
− Address Group
This group has information on the ATM address in use on the user side
of the UNI and its validity.
146 ATM Workgroup Solutions: Implementing the 8285 ATM Switch