1. Network Management Specification
8000-A2-GB30-30
June 2004
39
*** If the associated ATM link is part of an IMA group
4.3.2
“ifStackLowerLayer” Object (ifStackEntry 2)
This object provides the ifIndex corresponding to the lower sub-layer running on ‘below’
the interface specified in the corresponding ifStackHigherLayer.
*
If the associated ATM link is part of an IMA group
** If the associated ATM link is not part of an IMA group
4.3.3
“ifStackStatus” Object (ifStackEntry 3)
This object
is supported as a “read only” variable
. Only active(1) and notInService(2) are
supported.
4.4
Transmission Group, MIB-II (RFC 1213) - (SUPPORTED)
The Transmission Group Objects is SUPPORTED.
4.5
SNMP Group, MIB-II (RFC 1213)
The SNMP Group Objects that apply to a management agent are fully supported. The
following objects apply only to an NMS and return a zero value if accessed.
•
snmpInBadCommunityName (snmp 4)
•
snmpInTooBigs (snmp 8)
•
snmpInNoSuchNames (snmp 9)
•
snmpInBadValues (snmp 10)
ccss190x
0
UPLINK Ports
ccss390x
ccss190x
ATM over UPLINK ports
ccss490x
ccss390x
IMA over ATM UpLinks***
ccss5901
ccss490x/ccss390x
AAL5
Table 1-29. ifStackHigherLayer (2 of 2)
Table 1-30. ifStackLowerLayer
BAC
Higher Interface Number
BAC
Lower Interface Number
Comments
0
ccss30xx
Nothing over DSL ATM Links
ccss30yy
ccss20yy
ATM over DSL channels
ccss20yy
ccss10yy
DSL channels over DSL
0
ccss1802
Nothing over Ethernet
0
ccss5901
Nothing over AAL5
ccss5901
ccss490y
AAL5 over IMA (IMA)
ccss490x
ccss390x
IMA over ATM Uplink (IMA)
ccss5901
ccss390y
AAL5 over ATM Uplink (SONET)
ccss390y
ccss190y
ATM over UPLINK ports
