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Common Routing Problem with OSPF Forwarding0 P* j |; i, a* D9 ^' C' k
Address3 }. z$ ]% C3 ?0 z7 Z1 O a
Document ID: 13682
7 ^+ _) d, s! r6 L4 s7 x1 V7 @7 m$ A) @Introduction
0 Q0 T0 k0 L5 ~" K8 f# b4 j1 }Prerequisites9 l6 ]8 V, f. y$ g' K: C% x
Requirements4 H1 h: u0 C; V! h! a
Components Used
+ Z+ S) }: G$ _3 D Conventions
8 l' q1 X; U' N; | lDescription of OSPF Forwarding Address# j L: \$ R6 e O
Common OSPF Routing Problem Related to the Forwarding Address
" h6 O' n( f& A( w* I( k: K" h+ M Network Missing from the Routing Table
1 u0 C/ H( v% B _ Do Not Summarize on the ABR; _2 S+ @( s2 C' G. j9 R/ K; D, D
Prevent the Subnet from Being Redistributed into OSPF as an External Route
$ r8 ?7 L- l% KRelated Information
' Z. W5 L1 g: ?2 uIntroduction- \* s2 w. y% a/ n$ X0 a2 e5 T
This document describes the concepts and the problem associated with the Open Shortest Path First (OSPF)
) F h& Q% }- n) }forwarding address. Refer to Why Are Some OSPF Routes in the Database but Not the Routing Table? for, U& {# }7 v/ o; |& d8 {0 E! F
more information about troubleshooting OSPF.% e/ b2 w3 m6 L3 [
The problem explained in this document is only observable with Cisco IOS® Software releases earlier than7 a, m" ~( o5 S2 F1 A& ?* ]# O2 F4 l
12.1(3). The behavior of redistribution has changed in Cisco IOS Software Release 12.1(3) and later. For
2 M* C; t/ }* N B- R2 hmore details, refer to Cisco bug ID CSCdp72526 ( registered customers only) . This bug has the list of Cisco IOS9 s# y6 N5 v' t' d3 [
Software releases affected and the fixed versions. Also refer to Redistributing Connected Networks into OSPF5 `- [+ _8 c$ p( b
where the change in Cisco IOS behavior is explained.
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CCIE RS TS1 OSPF R21 上FA地址的详解.rar
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