Clearing arp cache on sub interface (cisco)

Soldato
Joined
1 Dec 2004
Posts
23,047
Location
S.Wales
Hi all,

Am I being stupid but not finding an option to clear the arpcache on a sub interface on a cisco device, the client has a sub interface with multiple arp entries, he has asked me to flush but hasnt provided me with a specific MAC/IP he wants to clear as he is replacing his firewall with a new one.

Can you not just clear the arp cache on the sub interface? I cant really find any method of doing this.
 
Works fine here on 15.4

CPE1#clear arp-cache interface g0/9.1
CPE1#

Can't remember with older IOS, but it seems fine with sub-if on newer versions,
 
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