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khgrant
Cisco Employee

Error: failed to create path - application communication failure

using NCS 3.3.2 ncs-netsim devices with IOS NED 3.8.0 I see some problem that “switchport” related commands are only accepted the second time their are issued:

c0(config)# interface FastEthernet 0

c0(config-if)# switchport mode access

Error: failed to create path - application communication failure

c0(config-if)# switchport mode access

c0(config-if)#

<ERROR> 04-May-2015::23:32:56.299 NedWorker Ned-Worker-Thread-1: - NedWorker error for ned_prepare_cli

com.tailf.packages.ned.ios.IOSNedCli$ExtendedApplyException: command: switchport: Error: failed to create path - application communication failure

at com.tailf.packages.ned.ios.IOSNedCli.print_line_wait(IOSNedCli.java:649)

at com.tailf.packages.ned.ios.IOSNedCli.applyConfig(IOSNedCli.java:906)

at com.tailf.ned.NedCliBaseTemplate.prepare(NedCliBaseTemplate.java:476)

at com.tailf.ned.NedWorker.dorun(NedWorker.java:1379)

at com.tailf.ned.NedWorker.run(NedWorker.java:254)

show(c0)

How would I work around this ?

1 ACCEPTED SOLUTION

Accepted Solutions

Problem was solved after upgrading to NCS 3.4.

View solution in original post

3 REPLIES 3
khgrant
Cisco Employee

Have you tried re-creating the netsim devices with the updated NED?

khgrant
Cisco Employee

yes I see. Re-compiling, resettting netsim. Also adjusted in the Yang model “container access” to “leaf access { type empty }”.

But the problem seems to be generally with the switchport section, as also solely the “switchport” command triggers the same behaviour.

Problem was solved after upgrading to NCS 3.4.

View solution in original post

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