How do S series switches discard ICMP destination-unreachable packets

On S series switches (excluding the S1700), you can run the icmp unreachable drop command to discard ICMP destination-unreachable packets.
S series modular switches do not support this function.
The following models of S series fixed switches do not support this function:
S1720, S2720, S275xEI, S5700LI, S5700S-LI and S5710LI do not support this function.

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