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Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide
OL-28417-02
Troubleshooting the Cisco IOS XR Software
Interfaces Not Coming Up
Step 1 Enter the show platform command in administration EXEC to verify that all nodes are in the “IOS XR
RUN” state:
RP/0/RSP0/CPU0:router(admin)# show platform
Tue Jun 1 00:06:45.437 DST
Node Type State Config State
-----------------------------------------------------------------------------
0/RSP0/CPU0 A9K-RSP-4G(Active) IOS XR RUN PWR,NSHUT,MON
0/FT0/SP FAN TRAY READY
0/FT1/SP FAN TRAY READY
0/1/CPU0 A9K-40GE-B IOS XR RUN PWR,NSHUT,MON
0/4/CPU0 A9K-8T/4-B IOS XR RUN PWR,NSHUT,MON
0/6/CPU0 A9K-4T-B IOS XR RUN PWR,NSHUT,MON
0/PM0/SP A9K-3KW-AC READY PWR,NSHUT,MON
0/PM1/SP A9K-3KW-AC READY PWR,NSHUT,MON
0/PM2/SP A9K-3KW-AC READY PWR,NSHUT,MON
Step 2 Enter the show ipv4 interface brief command to verify the IP address configuration and protocol status:
RP/0/RSP0/CPU0:router# show ipv4 interface brief
Interface IP-Address Status Protocol
gi0/1/0/0 unassigned Shutdown Down
gi0/1/0/1 unassigned Shutdown Down
gi0/1/0/2 unassigned Shutdown Down
gi0/1/0/3 unassigned Shutdown Down
gi0/1/0/4 unassigned Shutdown Down
gi0/1/0/5 unassigned Shutdown Down
gi0/1/0/6 unassigned Shutdown Down
gi0/1/0/7 unassigned Shutdown Down
gi0/1/0/8 unassigned Shutdown Down
gi0/1/0/9 unassigned Shutdown Down
gi0/1/0/10 unassigned Shutdown Down
gi0/1/0/11 unassigned Shutdown Down
gi0/1/0/12 unassigned Shutdown Down
gi0/1/0/13 unassigned Shutdown Down
gi0/1/0/14 unassigned Shutdown Down
gi0/1/0/15 unassigned Shutdown Down
gi0/2/0/0 10.10.1.101 Down Down
gi0/2/0/1 unassigned Shutdown Down
gi0/2/0/2 unassigned Shutdown Down
gi0/2/0/3 unassigned Shutdown Down
TenGigE0/3/0/0 unassigned Shutdown Down
TenGigE0/3/0/2 unassigned Shutdown Down
MgmtEth0/RSP0/CPU0/0 unassigned Shutdown Down
Step 3 Configure the interfaces, as shown in the following examples.
Note You must enter the commit command to make the new configuration part of the active running
configuration. If you end the configuration session, you are automatically prompted to commit
the changes, as shown in the second example:
RP/0/RSP0/CPU0:router# configure
RP/0/RSP0/CPU0:router(config)# interface gi0/2/0/1
RP/0/RSP0/CPU0:router(config-if)# ipv4 address 10.1.1.1 255.0.0.0
RP/0/RSP0/CPU0:router(config-if)# no shutdown
RP/0/RSP0/CPU0:router(config-if)# commit
RP/0/RSP0/CPU0:router(config-if)# end
RP/0/RSP0/CPU0:router#