monitor session 1 source vlan 40,49
monitor session 1 destination interface gi2/7

ip access-list extended xxx
permit ip host 10.10.49.40 host 10.10.40.21
permit ip host 10.10.40.21 host 10.10.49.40

ip access-list extended yyy
permit ip any any


vlan access-map zzz 10
match ip address xxx
action forward capture

vlan access-map Wit-ACL 20
match ip address yyy
action forward

vlan filter zzz vlan-list 40

int g2/7
switchport capture allowed vlan 40
switchport capture=======could not input it???