Troubleshooting Transient Traffic Drop In Forwarding - Cisco CRS-1 - Carrier Routing System Router Troubleshooting Manual

Troubleshooting Transient Traffic Drop in Forwarding

Examples
The following example shows that the TLU pointers match. The TLU pointers are indicated in bold.
RP/0/RP0/CPU0:router# show cef 202.112.36.224/30 hardware ingress location 0/0/CPU0
202.112.36.224/30, version 1536, internal 0x42040001[1]
.
.
.
TLU2 0x0101041d
RP/0/RP0/CPU0:router# show adjacency pos 0/4/0/15 remote detail hardware location 0/0/CPU0
.
.
.
ingress adjacency
TLU3
[HW: 0x00400000 0x00000000 0x00000000 0x00082800]
TLU4
The following example shows that the address information matches. The addresses are indicated in bold.
RP/0/RP0/CPU0:router# show arp location 0/1/cpu0
Address
212.27.50.157
RP/0/RP0/CPU0:router# show adjacency ipv4 nexthop 212.27.50.157 detail loccation 0/1/cpu0
Interface
TenGigE0/1/0/2
Troubleshooting Transient Traffic Drop in Forwarding
To troubleshoot a momentary drop in IPV4 packet forwarding on Cisco CRS-1 router, perform the
following procedure.
SUMMARY STEPS
1.
2.
Cisco IOS XR Troubleshooting Guide for the Cisco CRS-1 Router
3-88
TLU2 ENTRY 0
SW: 0x00000000 00000000 00000000 00a22800
HW: 0x00000000 00000000 00000000 00a22800
label1: 0
num of labels: 0
: 0x200a228
num. entries : 1
num. labels : 0
label 1 : 0
label 2 : 0
next ptr : 0x828
: 0x3000828
Entry[0]
[HW: 0x00000000 0x11410000 0x01480600
Age
02:08:34
show interfaces interface name
show controller <ingressq/egressq> qmstats 0 location <line card>
label2:
next ptr: 0x0000a228
Hardware Addr State
0016.c761.f509 Dynamic
Address
212.27.50.157
0016c761f5090015fa9959890800
mtu: 1500, flags 0 0 0
2894 packets, 156876 bytes
0xffffffff
Chapter 3 Troubleshooting Forwarding
0
Type Interface
ARPA TenGigE0/1/0/2
Version Refcount Protocol
41 2 ipv4
OL-21483-02