关于将OSPF路由重分发进RIP的话，必须在redistribute ospf 1 后面加上metric字段吗？

ccnafasttrack

如果不加metrcis字段是不是OSPF就进不到RIP域内？至少我通过实验的结果是如此？
这个是R2 ASBR路由器的配置：
R2#show runn
Building configuration...

Current configuration : 1425 bytes
!
! Last configuration change at 11:25:35 UTC Sat Apr 16 2016
!
version 15.2
service timestamps debug datetime msec
service timestamps log datetime msec
!
hostname R2
!
boot-start-marker
boot-end-marker
!
!
!
no aaa new-model
no ip icmp rate-limit unreachable
!
!
!
!
!
!         
no ip domain lookup
ip cef
ipv6 multicast rpf use-bgp
no ipv6 cef
!
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
ip tcp synwait-time 5
!
!
!         
!
!
!
!
!
!
interface FastEthernet0/0
no ip address
shutdown
duplex full
!
interface FastEthernet1/0
no ip address
shutdown
speed auto
duplex auto
!
interface FastEthernet1/1
no ip address
shutdown
speed auto
duplex auto
!         
interface Serial2/0
ip address 192.168.1.2 255.255.255.0
serial restart-delay 0
!
interface Serial2/1
ip address 192.168.2.1 255.255.255.0
serial restart-delay 0
!
interface Serial2/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial2/3
no ip address
shutdown
serial restart-delay 0
!
router ospf 1
redistribute rip subnets
network 192.168.2.1 0.0.0.0 area 0
!
router rip
version 2
redistribute ospf 1
network 192.168.1.0
no auto-summary
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
!
!
!
control-plane
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
stopbits 1
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
stopbits 1
line vty 0 4
login
!
!
end

R2#   

在执行完上述操作之后，发现R3上有R1上的路由，但是R1上却没有R3上的路由，是不是就是我说的那个原因？

风的痕迹32768

将ospf重分布进rip没加metric就会使用默认值，默认值是16跳，即不可达

ccnafasttrack

风的痕迹32768 发表于 2016-4-17 23:58
将ospf重分布进rip没加metric就会使用默认值，默认值是16跳，即不可达

原来如此，多谢前辈