본문 바로가기

Network

(74)
EIGRP(Enhanced Interior Gateway Routing Protocol) Understanding EIGRP Features and Advantages■ DUAL -DUAL is one of the main features of EIGRP. It diffuses the routing computation over multiple routers. A more detailed discussion of DUAL is provided in the section “Components of EIGRP.” ■ Loop-free networks -The DUAL algorithm is used to ensure a loop-free network. The calculation of an FS means that the backup route is downstream from the rout..
Ccnp - 642-891 Composite 642-891 CompositeComposite Exam Exam Number: 642-891Associated Certifications:CCDP, CCNPDuration:120 minutes (80-90 questions)Available Languages:EnglishClick Here to Register:Pearson VUE or PrometricExam Policies:Read current policies and requirementsExam Tutorial:Review type of exam questions Exam Description Exam Topics Recommended Training Additional Resources Exam DescriptionThe Composite e..
arp 명령어 1.arp -a workstation의 local arp table을 표시한다. C:>arp -a Interface: 192.168.0.22 --- 0x2 Internet Address Physical Address Type 192.168.0.1 00-00-00-aa-bb-cc dynamic 192.168.0.3 00-00-aa-bb-cc-00 dynamic 2.잘못된 physical address가 지정 되었을 때 수정 방법. # Delete the current arp entry for 192.168.0.1 c:>arp -d 192.168.0.1 # add a static entry for 192.168.0.1 c:>arp -s 192.168.0.1 00-00-00-11-22-33 # Display ..
netstat 명령어 1.netstat 도움말 C:>netstat /? Displays protocol statistics and current TCP/IP network connections. NETSTAT [-a] [-e] [-n] [-o] [-s] [-p proto] [-r] [interval] -a Displays all connections and listening ports. -e Displays Ethernet statistics. This may be combined with the -s option. -n Displays addresses and port numbers in numerical form. -o Displays the owning process ID associated with each conne..
ping 정리 ping 정리 C:>ping /? Usage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS] [-r count] [-s count] [[-j host-list] | [-k host-list]] [-w timeout] target_name Options: -t Ping the specified host until stopped. To see statistics and continue - type Control-Break; To stop - type Control-C. -a Resolve addresses to hostnames. -n count Number of echo requests to send. -l size Send buffer size...
Telnet log를 file로 자동 저장. Linux users can log Telnet sessions by using the tee command with the pipe options, as follows: telnet host-ip-address 2>&1 | tee text-file For example: telnet 192.168.10.10 2>&1 | tee routerlog.txt MS-Windows users can use the set logfile filename option within the Telnet utility, as follows: c:windowssystem32>telnet Welcome to Microsoft Telnet Client Escape Character is 'CTRL+]' Microsoft Teln..
삽질 #2 Authentication Proxy ip auth-proxy 수정 문제로 config 수정 작업을 하고 있었습니다. 기본 적인 명령어는 ip auth-proxy name auth-proxy-name http [auth-cache-time min] [list std-access-list] 입니다. 사용하고 있던 ip auth-proxy name banggae http 를 지우고 ip auth-proxy name banggae http list 10 을 적용 해야 합니다. 사용하고 있던 ip auth-proxy를 no ip auth-proxy name banggae 로 지워 주고 작업을 진행 했습니다. ip auth-proxy auth-proxy-banner ^ hi~ hello~ ^ ip auth-pro..
Network cabling SignalRJ-45 PinRJ-45 PinSignalTx+11Tx+Tx–22Tx–Rx+33Rx+–44––55–Rx–66Rx––77––88– SignalRJ-45 PinRJ-45 PinSignalTx+11Rx+Tx–22Rx–Rx+33Tx+–44––55–Rx–66Tx––77––88–