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Upgrade IOS Step-by-Step

Upgrade IOS Step-by-Step
§Create tftp server for IOS source

XXXXX#tftp-server flash:c2800nm-advipservicesk9-mz.124-15.T1.bin

§Delete Existing IOS

XXXXX#delete flash:existing_IOS

§Copy IOS to router

XXXXX#copy tftp: flash:

Address or name of remote host [61.5.14.43]?

Source filename [c2800nm-advipservicesk9-mz.124-15.T1.bin]?

Destination filename [c2800nm-advipservicesk9-mz.124-15.T1.bin]?

Accessing tftp://61.5.14.43/c2800nm-advipservicesk9-mz.124-15.T1.bin…

Loading c2800nm-advipservicesk9-mz.124-15.T1.bin from XXXXX (via Serial1/0:0): !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

§Check new IOS and compare the IOS size

XXXXX#sh flash:

 

§Verify new IOS

XXXXX#verify flash:c2800nm-advipservicesk9-mz.124-15.T1.bin

%Filesystem does not support verify operations

Verifying file integrity of flash:c2800nm-advipservicesk9-mz.124-15.T1.bin………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..Done!

Embedded Hash   MD5 : 88C0871548119A2E4F615D68149B6174

Computed Hash   MD5 : 88C0871548119A2E4F615D68149B6174

CCO Hash        MD5 : 638C05AA638E498A3B91A8EA5052657E

 

Signature Verified

§Boot new IOS and reload router

boot system flash flash:c2800nm-advipservicesk9-mz.124-15.T1.bin

§Boot backup IOS (remote)

boot system tftp c2800nm-entservicesk9-mz.124-7c.bin (ip address neighbor interface)

§Check router configuration based on SOP before reload
§Capture show running-config
§Capture show ip interface brief
§Capture show ip ospf neighbor
§Capture show mpls interface
§Capture show ip vrf interface
§Capture show ip bgp vpn all summary
§Capture show tech-support
§Write memory and Reload router
§Check and compare configuration
§Configure the interface to transport the layer 2 VLAN packets over MPLS

interface GigabitEthernet0/0.100

encapsulation dot1Q 100

xconnect XXXXX 100 encapsulation mpls

end

Interface GigabitEthernet0/0.2

encapsulation dot1q 100

xconnect XXXXXX 100 encapsulation mpls

!

Interface GigabitEthernet1/0.3

encapsulation dot1q 200

xconnect XXXXX 200 encapsulation mpls

§Verify the configuration

sh mpls l2transport vc 100 detail

 

 

 

 

 

 

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