Linux CLI - Networking Commands
What will be the output of
ifconfig eth1 if eth1 is down and has no IP assigned?What will be the output of ifconfig eth1 if eth1 is down and has no IP assigned?
medium📝 Command Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand ifconfig output for down interface
If interface is down, ifconfig shows it with status DOWN and no IP address.Step 2: Check other options
Displays eth1 interface with status UP and IP 0.0.0.0 is incorrect because IP 0.0.0.0 is not shown; No output because interface is down is wrong as ifconfig still shows down interfaces; Error: interface eth1 not found is wrong if interface exists.Final Answer:
Displays eth1 interface with status DOWN and no inet address -> Option AQuick Check:
Down interface shows status DOWN, no IP [OK]
Quick Trick: ifconfig shows down interfaces with status DOWN, no IP [OK]
Common Mistakes:
- Thinking no output if interface is down
- Assuming IP 0.0.0.0 is shown
- Confusing interface not found with down status
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