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elsewhere#sh control-plane host open-ports
Active internet connections (servers and established)
Prot Local Address Foreign Address Service State
tcp *:22 *:0 SSH-Server LISTEN
tcp *:23 *:0 Telnet LISTEN
tcp *:22 192.168.1.3:49303 SSH-Server ESTABLIS
udp *:67 *:0 DHCPD Receive LISTEN
udp *:123 *:0 NTP LISTEN
udp *:4500 *:0 ISAKMP LISTEN
udp *:500 *:0 ISAKMP LISTEN
elsewhere#

G.