시스코 라우터 FAQ

• 칠월 4, 2023 Is there a performance advantage when using the the IP access list keyword established on an extended ACL? Does using “established” make the access list more vulnerable? Do you have specific examples of the usage?
• 칠월 4, 2023 I have primary and secondary IP addresses configured on an Ethernet interface and my router is running RIP (a distance vector routing protocol). How does split-horizon affect the routing updates?
• 칠월 4, 2023 Is it possible to have duplicate ip addresses for two serial interfaces that belong to the same router?
• 칠월 4, 2023 Can I configure two interfaces in the same subnet (t0 = 142.10.46.250/24 and t1 142.10.46.251/24)?
• 칠월 4, 2023 Can an interface have more than one ip access-group statement in its configuration?
• 칠월 4, 2023 Would it be possible to configure a router for a 255.255.254.0 Ethernet and a 255.255.252.0 serial subnet? Does IGRP/RIPv1 support variable subnetting?
• 칠월 4, 2023 Does the interface subcommand no arp arpa disable the Address Resolution Protocol (ARP) function for a router interface?
• 칠월 4, 2023 Does the use of extended IP access control lists (ACL) filter regular routing updates (such as OSPF)? Do I need to explicitly permit the multicast IPs used by routing protocols (such as 224.0.0.5 그리고 224.0.0.6, in the case of OSPF) for updates to ensure the proper working of routing protocols?
• 칠월 3, 2023 How do I configure my router to prefer an Open Shortest Path First (OSPF) route over an EIGRP route when the route is learned from both sources?
• 칠월 3, 2023 향상된 내부 게이트웨이 라우팅 프로토콜 (EIGRP) IGRP IP 라우팅 프로토콜로 자동 재배포. EIGRP는 라우팅 정보 프로토콜과도 상호 작용합니까? (찢다) IP 라우팅 프로토콜?
• 칠월 3, 2023 부트스트랩 프로토콜을 전달하기 위해 ip helper-address 명령을 어떻게 사용합니까? (부팅) 프레임?
• 6월 29, 2023 경로 요약은 무엇을 의미합니까??
• 6월 29, 2023 IP 기본 게이트웨이의 차이점은 무엇입니까, IP 기본 네트워크, 그리고 IP 경로 0.0.0.0/0 명령?
• 6월 29, 2023 Cisco 라우터는 언제 인터페이스에서 라우팅 요청을 시작합니까??
• 4월 19, 2023 When does a Cisco router generate a source quench?
• 4월 19, 2023 경로 요약은 무엇을 의미합니까??
• 4월 19, 2023 How is the load shared between two parallel lines of equal capacity when these lines are configured for load balancing?
• 4월 19, 2023 빠르고 자율적인 전환이 가능하다는 것은 무엇을 의미합니까? “가능” 그리고 “장애가 있는” 동일한 인터페이스에서?