Installation guide

Trunk Cards 4-19
Universal Switching Module Enhanced
Activation and Configuration of a UXM-E in Trunk Mode
When you insert a new UXM-E into the backplane or apply power to the IGX node, UXM-E
firmware reports the card type and number of physical lines on the back card. Switch software can
then determine the allowed range and characteristics of trunks for you to configure. Software thus
prevents you from exceeding the maximum number of trunks on the switch as you activate them
through either Cisco WAN Manager or uptrk on the CLI.
Table 4-10 shows the trunk characteristics you can configure for each interface type through either
Cisco WAN Manager or the cnftrk command on the CLI. Table 4-10 also shows the fixed
parameters.
Table 4-10 Configurable Trunk Characteristics
ABR.STD GW_TYPE_NONE True ABR_LOAD
UBR GW_TYPE_NONE True UBR_LOAD
UXM-E UXM-E ATFR Both GW_TYPE_NWI N/A BDATA_LOAD
UFM UFM ATFST GW_TYPE_NWI N/A BDATB_LOAD
ATFX GW_TYPE_SIWX N/A BDATA_LOAD
ATFXST GW_TYPE_SIWX N/A BDATB_LOAD
ATFT GW_TYPE_SIWT N/A BDATA_LOAD
ATFTST GW_TYPE_SIWT N/A BDATB_LOAD
UXM-E UXM-E ATFR N/A GW_TYPE_NWI N/A BDATA_LOAD
FRM FRM ATFST N/A GW_TYPE_NWI N/A BDATB_LOAD
UVM UVM CBR N/A GW_TYPE_NONE N/A CBR_LOAD
CVM CVM
HDM HDM
LDM LDM
Interface Type Configurable Parameters
OC3 (STM1) SMF,
EL, and MMF
• HCS masking (on or off)
• Payload scramble (on or off)
• Cell (line) framing (STS/SONET or STM/SDH)
• Frame scramble (on or off)
T3 • HCS masking (on or off)
• Payload scramble (on or off)
• Cell (line) framing can be header error correction (HEC) or PLCP
• Cable length (0 to 255 feet or greater than 255 feet)
E3 • HCS masking (on or off)
• Payload scramble (on or off)
• Cell (line) framing is fixed as header error Correction (HEC)
• Cable length (0 to 255 feet or greater than 255 feet)
Feeder
Endpoint A
Feeder
Endpoint B
Connection
Type
VCC
or
VPC Gateway Type
Cell
Routing Load Type