backbone

sh interfaces | include line protocol is | bits/sec ----------------------------------------------------- show interface summary show mac address-table interface port번호 show arp | inc 위에나온맥주소

백본,스위치 ping 체크 방법 - ping - ip [엔터] - ip address : 목적지 ip - counter : 1000 - size : 100 [엔터] - timeout seconds : 2 [엔터] - 계속 엔터 KT ping테스트 ping 211.48.62.132 -t or ping 168.126.63.1 -t or ping kornet.net -t