Alcatel-Lucent 7450 - User Guidelines and Troubleshooting Procedures; Common Procedures

User Guidelines and Troubleshooting Procedures
Page 590 7450 ESS MPLS Guide
User Guidelines and Troubleshooting Procedures
Common Procedures
When troubleshooting a LDP resource exhaustion situation on an LSR, the user must first
determine which of the LSR and its peers supports the enhanced handling of resources. This is
done by checking if the local LSR or its peers advertised the LSR Overload Protection Capability:
show router ldp status
===============================================================================
LDP Status for LSR ID 110.20.1.110
===============================================================================
Admin State : Up Oper State : Up
Created at : 07/17/13 21:27:41 Up Time : 0d 01:00:41
Oper Down Reason : n/a Oper Down Events : 1
Last Change : 07/17/13 21:27:41 Tunn Down Damp Time : 20 sec
Label Withdraw Del*: 0 sec Implicit Null Label : Enabled
Short. TTL Prop Lo*: Enabled Short. TTL Prop Tran*: Enabled
Import Policies : Export Policies :
Import-LDP Import-LDP
External External
Tunl Exp Policies :
from-proto-bgp
Aggregate Prefix : False Agg Prefix Policies : None
FRR : Enabled Mcast Upstream FRR : Disabled
Dynamic Capability : False P2MP Capability : True
MP MBB Capability : True MP MBB Time : 10
Overload Capability: True <---- //Local Overload Capability
Active Adjacencies : 0 Active Sessions : 0
Active Interfaces : 2 Inactive Interfaces : 4
Active Peers : 62 Inactive Peers : 10
Addr FECs Sent : 0 Addr FECs Recv : 0
Serv FECs Sent : 0 Serv FECs Recv : 0
P2MP FECs Sent : 0 P2MP FECs Recv : 0
Attempted Sessions : 458
No Hello Err : 0 Param Adv Err : 0
Max PDU Err : 0 Label Range Err : 0
Bad LDP Id Err : 0 Bad PDU Len Err : 0
Bad Mesg Len Err : 0 Bad TLV Len Err : 0
Unknown TLV Err : 0
Malformed TLV Err : 0 Keepalive Expired Err: 4
Shutdown Notif Sent: 12 Shutdown Notif Recv : 5
===============================================================================
show router ldp session detail
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LDP Sessions (Detail)
===============================================================================
-------------------------------------------------------------------------------
Session with Peer 10.8.100.15:0, Local 110.20.1.110:0
-------------------------------------------------------------------------------
Adjacency Type : Targeted State : Nonexistent
Up Time : 0d 00:00:00
Max PDU Length : 4096 KA/Hold Time Remaining : 0