System tesekkurler bende bir ilave yapmak istiyorum bu noktada senin soylediklerine,
split horizon -->sadece disabled by default, bir main(fizikal) interface ye frame relay encapsulation kondugunda,(fizikal interfaces by default multipoint ozelligi tasirlar),...-->sadece frame relay main interfaceleri icin gecerli bu kural(sub interfaceler icin degil)...
birde buradaki split horizon RiP icin gecerli, eigrp icin degil...asagida bir ornek vererek bunu daha iyi gosterebilirim...eigrp icin split horizonu manual olarak disable etmek gerekir.
R5#config t
Enter configuration commands, one per line. End with CNTL/Z.
R5(config)#default interface s0/0
Building configuration...
Interface Serial0/0 set to default configuration
R5(config)#int s0/0
R5(config-if)#ip address 10.1.1.1 255.0.0.0
R5(config-if)#do sh ip int s0/0 | inc Split
Split horizon is enabled
R5(config-if)#encapsulation frame-relay
R5(config-if)#do sh ip int s0/0 | inc Split
Split horizon is disabled
R5(config-if)#ip split-horizon
R5(config-if)#do sh ip int s0/0 | inc Split
Split horizon is enabled
R5(config-if)#no ip split-horizon eigrp 1
R5(config-if)#do sh ip int s0/0 | inc Split
Split horizon is enabled
R5(config-if)#do sh run int s0/0
Building configuration...
Current configuration : 142 bytes
!
interface Serial0/0
ip address 10.1.1.1 255.0.0.0
encapsulation frame-relay
no ip split-horizon eigrp 1
ip split-horizon
end
son interface config dede goruldugu uzere ip split-horizon satirini gorebiliyoruz buda gosteriyorki frame relay da bu satir default degil, eger default olsa idi gorulmezdi, ...
umarim birazdaha acikliga kavusmustur olay...
ayni zamanda System verdigin ornegi tuttum

, benden aldigini bana satma.. split horizonun olmadigi zamanda al gulum ver gulum oluyor galiba...
tesekkurler