Refer to the exhibit. A network engineer must configure NETCONF. After creating the configuration, the engineer gets output from the command show line, but not from show running-config. Which command completes the configuration?
Only our collaboration work as testers help us reading and contributing in the discussion.
I totally agree, there is no sense, Cisco wants you to pay the (very) expensive specialized course and forget the OCG books. But they can't say it blatantly
It must be that they don't earn enough money, it's shameful
The correct answer is A. Please check the following configuration link with examples:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/cns/configuration/15-s/cns-15-s-book/netconf-sshv2.html
Number of sessions can't be lower than 4, D. is not correct because default message limit is infinite, 1000 would only unnecessary limit the size. Lock has no impact on the issue , we don't know anything about the ACL, how do you know removing it would solve the issue
Diference between show line and show running-config is only in the amount of the output produced , #netconf max-message 10 means 10K bytes, why would n't that be enough for show running-config ? Although it's impossible to tell... Rediculous question
We must allow all users to establish a session with the Netconf server.
Example:
Device(config)# access-list 100 permit ip 192.168.1.0 255.255.255.0
Device(config)# netconf ssh acl 100
This configuration creates an ACL named 100 that allows IP addresses from the 192.168.1.0/24 network to access the NETCONF server. Only devices or users with IP addresses in this range can establish NETCONF sessions with the device.
Option B will remove any IP restrictions on the Netconf server, allowing all users to access the Netconf server.
Coming back to this question, I think the correct answer is "D"
The user was able to issue the command "show line" which indicates that he successfully accessed the Netconf server (device) through SSH. The current configuration sets netconf max-message to 10, which limits the maximum message size to 10 bytes. This is too small to handle the output of larger commands like "show running-config." Increasing the message size with the command "netconf max-message 1000" will allow larger NETCONF messages to be exchanged, including the output from show running-config, to be returned.
very reasonable analysis,
By increasing the message size to 1000 bytes, the NETCONF session can handle larger responses like show running-config, making sure that the output is visible.
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correct answer D
Cisco probably puts this question in the exam even though it's not covered by OCG because they want to know if people are brain dumping it and answering it. It's entirely plausible. These questions are BS and should never dictate anyone becoming a successful Network Engineer as a career.
Possibly, but some people do have work experience or work on a daily with such protocols and could genuinely know the answer. or we could just " get lucky " and answer it correctly :D
- `max-sessions`: The valid range is 4 to 16 sessions.
- `lock-time`: The valid range is 1 to 300 seconds.
- `max-message`: The valid range is 1 to 2147483. The default value is infinite, meaning there is no limit imposed by default on the size of messages.
These are the valid ranges for these parameters in the context of NETCONF configuration on Cisco devices.
If you issue the command `netconf max-sessions 1`, the device will recognize this as an invalid command and will not apply it. As a result, the device will maintain the default value for the maximum number of concurrent NETCONF sessions, which is typically 4.
The size of a general configuration file can vary widely depending on the complexity of the configuration, the number of devices being configured, and the specific commands used. Configuration files can range from a few kilobytes (KB) to several megabytes (MB) in size. It's important to note that some network devices or platforms might have limitations on the maximum size of configuration files they can handle.
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Device(config)# netconf max-message 1000
This command increases the maximum NETCONF message size to 1000 kilobytes, which is a common practice to ensure that larger messages can be exchanged as needed.
The scenario is that output is available for 'show line' but not for 'show run'. So what's different about these two scenarios and which answer addresses that?
Difference is the size of the message and only answer D addresses that.
I thought perhaps answer B, remove ssh acl 1 as perhaps the ACL is wrong, but then you wouldn't get an output for 'show line' as well as 'show run'
D is correct. Command: netconf max-message <1-2147483> Kbytes. The engineer gets output from the command show line, but not from show running-config, because max-message is too small, it is not enough for data of running-config.
A : The valid range is 4 to 16 (X
B : Disable netconf over sshv2 (X
C : The valid range is 1 to 300 (X
D : The valid range is 1 to 2147483. The default value is infinite. (O
I think "D" is correct
ref https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/cns/configuration/xe-16-9/cns-xe-16-9-book/netconf-sshv2.html
A) netconf max-sessions 100 "value out of range" (range 4-16 default is 4)
B) y C) the question does not refer to access to the equipment)
D) Specifies the maximum size, in kilobytes (KB), for the messages received in a NETCONF session. (makes sense relative to the size of a show running-config)
Tested in GNS3
The default value for the maximum concurrent netconf sessions is 4. Although the command 'netconf max-sessions 1' will display an error message '% Invalid input detected at '^' marker.,' it will not affect Netconf's configuration and the max-sessions will be set to the default value.
A: 'netconf max-sessions 100' is not valid on C7200-ADVENTERPRISEK9-M version 15.2(4)M7. Tested in GNS3.
C: 'netconf lock-time 500' is not valid on C7200-ADVENTERPRISEK9-M version 15.2(4)M7. Tested in GNS3.
D: 'netconf max-message 1000' is valid. Do not yet understand how this would help.
Would be great if someone can give a hand here.
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