Check_Point
156-115.77 · Question #110
Your ARP cache is overflowing negatively impacting users experience on your network. Which command can you issue to increase the ARP cache on the fly? You do not need this to survive reboot.
The correct answer is B. echo 1024 > /proc/sys/net/ipv4/neigh/default/gc_thresh3. See the full explanation below for the reasoning.
Question
Your ARP cache is overflowing negatively impacting users experience on your network. Which command can you issue to increase the ARP cache on the fly? You do not need this to survive reboot.
Options
- AModify the /etc/sysctl.conf: net.ipv4.neigh.default.gc_thresh3 = 1024.
- Becho 1024 > /proc/sys/net/ipv4/neigh/default/gc_thresh3
- Carp cache table > 1024
- DYou cannot increase the size of the ARP cache on the fly.
How the community answered
(39 responses)- A10% (4)
- B82% (32)
- C5% (2)
- D3% (1)
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