Configuration Guide for Cisco NCS 1014, IOS XR Releases 26.x.x
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Configuration Guide for Cisco NCS 1014, IOS XR Releases 26.x.x
Updated: September 23, 2026
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Log inThis section explains the LLDP drop feature and its impact on supported and unsupported hardware.
Link Layer Discovery Protocol (LLDP) Snooping is enabled by default on all ethernet controllers.
The NCS1K14-2.4T-A-K9 and NCS1K14-2.4TAL-K9 cards support LLDP snooping for 100GE and 400GE clients.
NoteLLDP drop feature is not supported on NCS1K14-2.4T-K9, NCS1K14-2.4T-X-K9, and NCS1K4-QXP-K9 line cards.
Use this task to configure the LLDP Drop for a muxponder or muxponder slice. By default, the LLDP drop status is set to False. On enabling the LLDP Drop, the status is set to True.
Run the hw-module location location mxponder drop-lldp command to configure LLDP drop on a muxponder.
RP/0/RP0/CPU0:ios#configure
RP/0/RP0/CPU0:ios#hw-module location 0/1 mxponder drop-lldp
NoteUse the no form of the command to disable LLDP drop.
Limitation
When you disable LLDP globally, the LLDP gets disabled on all the interfaces.
NoteBy default, LLDP is enabled for NCS 1014. But when you enable and disable LLDP in the global configuration mode, LLDP gets disabled on all the interfaces.
Workaround : You must enable LLDP globally or reload the Router.
Run the hw-module location location mxponder-slice slice-number drop-lldp command to configure LLDP drop on a muxponder slice.
This sample shows slice 0 client ports enabled with LLDP drop.
RP/0/RP0/CPU0:ios#configure
RP/0/RP0/CPU0:ios(config)#hw-module location 0/1 mxponder-slice 0 drop-lldpRun the commit command to apply the changes.
RP/0/RP0/CPU0:ios#commit
Use this task to verify the LLDP drop status and LLDP neighbours status.
Run the hw-module location location mxponder command to verify the LLDP Drop status.
RP/0/RP0/CPU0:ios#show hw-module location all mxponder
Fri Feb 22 13:22:19.281 UTC
Location: 0/0
Client Bitrate: NONE
Trunk Bitrate: NONE
Status: Not Provisioned
Location: 0/1
Slice ID: 0
Client Bitrate: 100GE
Trunk Bitrate: 500G
Status: Provisioned LLDP Drop Enabled: FALSE
Client Port Mapper/Trunk Port CoherentDSP0/1/0/0
Traffic Split Percentage
HundredGigECtrlr0/1/0/2/1 ODU40/1/0/0/1/2 100
HundredGigECtrlr0/1/0/3/2 ODU40/1/0/0/1/4 100
HundredGigECtrlr0/1/0/4/3 ODU40/1/0/0/2/3 100
HundredGigECtrlr0/1/0/5/4 ODU40/1/0/0/3/2 100
HundredGigECtrlr0/1/0/6/4 ODU40/1/0/0/4/1 100
Location: 0/1
Slice ID: 1
Client Bitrate: 100GE
Trunk Bitrate: 500G
Status: Provisioned
LLDP Drop Enabled: FALSE
Client Port Mapper/Trunk Port CoherentDSP0/1/0/1
Traffic Split Percentage
HundredGigECtrlr0/1/0/1/2 ODU40/1/0/1/1/1 100
HundredGigECtrlr0/1/0/4/3 ODU40/1/0/1/1/2 100
HundredGigECtrlr0/1/0/1/3 ODU40/1/0/1/2/3 100
HundredGigECtrlr0/1/0/3/2 ODU40/1/0/1/3/4 100
HundredGigECtrlr0/1/0/3/4 ODU40/1/0/1/4/5 100
Location: 0/2
Slice ID: 0
Client Bitrate: 100GE
Trunk Bitrate: 500G
Status: Provisioned
LLDP Drop Enabled: FALSE
Client Port Mapper/Trunk Port CoherentDSP0/2/0/0
Traffic Split Percentage
HundredGigECtrlr0/2/0/2 ODU40/2/0/0/1 100
HundredGigECtrlr0/2/0/3 ODU40/2/0/0/1 100
HundredGigECtrlr0/2/0/4 ODU40/2/0/0/2 100
HundredGigECtrlr0/2/0/5 ODU40/2/0/0/3 100
HundredGigECtrlr0/2/0/6 ODU40/2/0/0/4 100
Location: 0/2
Slice ID: 1
Client Bitrate: 100GE
Trunk Bitrate: 500G
Status: Provisioned
LLDP Drop Enabled: FALSE
Client Port Mapper/Trunk Port CoherentDSP0/2/0/1
Traffic Split Percentage
HundredGigECtrlr0/2/0/1/2 ODU40/2/0/1/0/1 100
HundredGigECtrlr0/2/0/4/3 ODU40/2/0/1/1/1 100
HundredGigECtrlr0/2/0/1/2 ODU40/2/0/1/2/2 100
HundredGigECtrlr0/2/0/3/2 ODU40/2/0/1/3/4 100
HundredGigECtrlr0/2/0/3/1 ODU40/2/0/1/4/2 100
Location: 0/3
Slice ID: 0
Client Bitrate: 100GE
Trunk Bitrate: 300G
Status: Provisioned
LLDP Drop Enabled: TRUE
Client Port Mapper/Trunk Port CoherentDSP0/3/0/0
Traffic Split Percentage
HundredGigECtrlr0/3/0/2/1 ODU40/3/0/0/0/2 100
HundredGigECtrlr0/3/0/3/2 ODU40/3/0/0/1/1 100
HundredGigECtrlr0/3/0/4/1 ODU40/3/0/0/2/3 100
Run the show lldp neighbors detail and show lldp neighbors commands to verify the LLDP neighbor details.
RP/0/RP0/CPU0:ios#show lldp neighbors detail
Tue Mar 12 11:49:20.819 IST
Capability codes:
(R) Router, (B) Bridge, (T) Telephone, (C) DOCSIS Cable Device
(W) WLAN Access Point, (P) Repeater, (S) Station, (O) Other
------------------------------------------------
Local Interface: HundredGigECtrlr0/1/0/6/4
Chassis id: 008a.96cd.34e1
Port id: Hu0/0/0/4
Port Description - not advertised
System Name: ncs5500_node
System Description:
6.1.4, NCS-5500
Time remaining: 116 seconds
Hold Time: 120 seconds
System Capabilities: R
Enabled Capabilities: R
Management Addresses - not advertised
Peer MAC Address: 00:8a:96:cd:34:10
------------------------------------------------
Local Interface: HundredGigECtrlr0/1/0/1/2
Chassis id: 008a.96cd.34e1
Port id: Hu0/0/0/5
Port Description - not advertised
System Name: ncs5500_node
System Description:
6.1.4, NCS-5500
Time remaining: 90 seconds
Hold Time: 120 seconds
System Capabilities: R
Enabled Capabilities: R
Management Addresses - not advertised
Peer MAC Address: 00:8a:96:cd:34:14
Total entries displayed: 2
RP/0/RP0/CPU0:ios#show lldp neighbors
Tue Mar 12 16:17:56.713 IST
Capability codes:
(R) Router, (B) Bridge, (T) Telephone, (C) DOCSIS Cable Device
(W) WLAN Access Point, (P) Repeater, (S) Station, (O) Other
Device ID Local Intf Hold-time Capability Port ID
ncs5500_node HundredGigECtrlr0/1/0/6/4 120 R Hu0/0/0/4
ncs5500_node HundredGigECtrlr0/1/0/1/2 120 R Hu0/0/0/5
Total entries displayed: 2When you enable LLDP drop on the client controller ports of the muxponder or muxponder slice, the LLDP frames drop on the ports without forwarding.
NoteLLDP on 400GE is not supported on the OTN-XP card.
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