
OSPF Inter-area route summarization - Cisco Community
2012年10月26日 · OSPF is link state routing protocol that works on the concept of areas. All areas must have same LSDB (link state database); hence OSPF summarization can only done …
What is the exact definition of ABR in ospf? - Cisco Community
2016年9月19日 · An OSPF router configured as an ABR, without a connection to area zero, will route traffic within and even between its connected areas. However, it won't share one area's …
Solved: OSPF ABR - Cisco Community
2008年11月19日 · One thing is the OSPF router-id of the LSA owner and another is the ip next-hop to reach the route described in the LSA data structure. The advertising router of an O IA …
OSPF ABR behavior in redistribute static route
2010年9月27日 · Hi, Two ABR in same area redistribute same static route , and that static route's AD is 200. One ABR install static route in routing table, other one install ospf route in routing …
ABR & DR in OSPF - Cisco Community
2022年11月12日 · It serves as a gateway for communication between two different areas . ABR helps in sharing prefixes within 2 different areas . ABR Helps in summarization and filtering of …
Solved: ospf routes summarization at abr - Cisco Community
2011年10月9日 · 2) My second question is can we summarize external routes at abr? for example if R2 is abr and has following routes, can we perform summarization at abr? I understand Such …
Solved: Can a DROther be ABR in OSPF? - Cisco Community
2021年8月22日 · R1 has to be the ABR for area 1 otherwise Area1 would be isolated, Also it doesnt have to be a Designed Router either, DR/BDRs are applicable on broadcast/non …
OSPF Filtering on ABR using Distribute List and its behavior
2014年2月20日 · To filter prefixes advertised in type 3 link-state advertisements (LSAs) between Open Shortest Path First (OSPF) areas of an area border router (ABR), use the area filter-list …
OSPF ASBR and ABR - Cisco Community
2014年3月5日 · Here's the output from a show ip ospf command: sh ip ospf 10. Routing Process "ospf 10" with ID x.x.x.x. Start time: 00:00:16.216, Time elapsed: 1y31w. Supports only single …
OSPF 20 Questions with Concise Answers - Cisco Community
2022年10月5日 · Now in a multiarea topology, the ABRs are responsible for advertising an intra area route into another area as an inter-area route, and because the area 0 is the backbone …