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4-7
Cisco WAN Modeling Tools Guide
OL-10426-01, Rev. A0
Chapter 4 Configuration Tables and Fields
Links Table
Minimal Link Table Usage
For existing links, the Keep field should be set to the number of existing links, with the characteristics
described in the record. The Links command displays existing links and possible links considered for
the network design. The key fields in the link table are the site ends, the trunk type, and the keep field.
The primary CWM data source for the Links table is the link table. The WANDL translation for the link table
is the bblink file. When translating from NMT to WANDL, a fixlink file identical to the bblink file is created.
The Link Table fields are described in Table 4-3.
Table 4-3 Link Table
Field Defaults Notes Description and Comments DBF CET TPI
Site 1 – M/H Name of site at one end of the link
using a name from Sites table.
SITE1
**
Port ID 1 0 E Logical slot/port number at Site 1 for
the connection. Enter 0 and NMT
assigns. Enter n.m to specify port.slot.
HUBID1
**
Site 2 – M/H Name of site at other end of the link
using a name from Sites table.
SITE2
**
Port ID 2 0 E Logical slot/port number at Site 2 for
the connection. Enter 0 and NMT
assigns. Enter n.m to specify port.slot.
HUBID2
**
M Z O/H Media. Media type of trunk.
M
*
IF1 T3 O/H Trunk type and capacity. The Trunk
type is the interface used on the trunk
and defines the backcard. An optional
line size can be prepended.
TRUNK
*
Y1 trunks shown
as T1, and T2
trunks shown as
T3. Until
Release 9.1,
broadband
trunks were
determined
heuristically,
based on port
speed and card
type.
*
IF2 blank O/H IF2 trunk type is used only if different
from the first, in the case of virtual
trunks.
TRUNK2
**
DS0 0 O/H DS0 field is the number of sub-units
for a DS1 line. 4 through 24 are valid
for T1, and 4 through 30 are valid for
E1.
If the trunk is not a DS1 type, this field
is ignored.
TRNK_CAP
**
Trnk_Cd O/P/H Trunk card. The front cards for this
link.
TRNK_CAR
D1/
TRNK_CAR
D2
*/*