cannot ping this host (static routing)

hey all, i built the exact lab the rest of lammles ccna book will be using so i can do everything as the book does, now im in a weird situation, and not that its stopping me from moving on.. but i want to know why!

at the moment i cannot ping from router 2 (bottom center one on the 10.1.4.0 serial link), to the port on R1 (left router), that PC1 is connected to. which is 192.168.20.0/1

i can ping PC0 just fine, which is 192.168.10.0/1, but each time i ping PC2, it gives me the destination unreachable (u.u.u) prompts.

i can also ping from R1 to PC2 and PC3 without issues.

thanks, this is just bugging me, ive went over the configs, they are all configured correctly as far as i can tell, the static routes are set correctly thats for sure. so just curious if its a quarky little thing thats messing me up.

thanks!

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Comments

jtdk985

ok now that i notice i cant ping the 192.168.20.1 port from any of the routers. really weird, but i can ping like i said the 192.168.10.1

jwashington1981

If possible, post a copy of your running-config so we can take a look at everything you have set.

Also, why do you have /1 behind those IP addresses you listed in your original post.

jtdk985

jwashington1981 wrote: »

If possible, post a copy of your running-config so we can take a look at everything you have set.

Also, why do you have /1 behind those IP addresses you listed in your original post.

sorry i was looking at like the diagram does, where the subnet is 192.168.10.0

the link i can ping and access fine is 192.168.10.1 (router) and 192.168.10.2 (the pc)

the link i cant access is the 192.168.20.1 (router) and 192.168.20.2 (pc)

heres are the configs:

CORP ROUTER

Current configuration : 2454 bytes
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Corp
!
!
!
enable secret 5 $1$mERr$hx5rVt7rPNoS4wqbXKX7m0
!
no ip domain-lookup
!
interface FastEthernet0/0
description FE to R3
ip address 10.1.5.1 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
duplex auto
speed auto
shutdown
!
interface Serial0/0/0
description serial port to R1
ip address 10.1.2.1 255.255.255.0
clock rate 2000000
!
interface Serial0/0/1
description serial DCE to R1
ip address 10.1.3.1 255.255.255.0
clock rate 64000
!
interface Serial0/1/0
description serial to R2
ip address 10.1.4.1 255.255.255.0
clock rate 2000000
!
interface Serial0/1/1
no ip address
shutdown
!
interface FastEthernet1/0
switchport mode access
shutdown
!
interface FastEthernet1/1
description switchport to www server
switchport mode access
!
interface FastEthernet1/2
description switch port to email
switchport mode access
!
interface FastEthernet1/3
description switch port to DNS
switchport mode access
!
!
interface Vlan1
description switch card to server farm/core network
ip address 10.1.1.1 255.255.255.0
!
ip classless
ip route 192.168.10.0 255.255.255.0 10.1.2.2 150
ip route 192.168.10.0 255.255.255.0 10.1.3.2 150
ip route 192.168.30.0 255.255.255.0 10.1.4.2 150
ip route 192.168.40.0 255.255.255.0 10.1.4.2 150
ip route 172.16.10.0 255.255.255.0 10.1.5.2 150
!
!
!
banner motd ^C
DO NOT ENTER OR BE SHOT ^C
!
!
!
!
line con 0
exec-timeout 0 0
password cisco
logging synchronous
login
line vty 0 4
password cisco
login
line vty 5 15
password cisco
login
!
!
!
end
Corp#

ROUTER 1
Building configuration...

Current configuration : 1256 bytes
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname R1
!
enable secret 5 $1$mERr$hx5rVt7rPNoS4wqbXKX7m0
!
no ip domain-lookup
!
interface FastEthernet0/0
description connection to finance pc
ip address 192.168.10.1 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
description connection to marketing pc
ip address 192.168.20.1 255.255.255.0
duplex auto
speed auto
!
interface Serial0/0/0
description 1st connection to corp router
ip address 10.1.2.2 255.255.255.0
!
interface Serial0/0/1
description 2nd connection to corp router
ip address 10.1.3.2 255.255.255.0
!
interface Vlan1
no ip address
shutdown
!
ip classless
ip route 10.1.1.0 255.255.255.0 10.1.2.1 150
ip route 10.1.4.0 255.255.255.0 10.1.3.1 150
ip route 10.1.5.0 255.255.255.0 10.1.2.1 150
ip route 192.168.30.0 255.255.255.0 10.1.3.1 150
ip route 192.168.40.0 255.255.255.0 10.1.2.1 150
ip route 172.16.10.0 255.255.255.0 10.1.3.1 150
!
!
!
banner motd ^C
LOGIN AND GET SHOT ^C
!
!
!
!
line con 0
exec-timeout 0 0
password cisco
logging synchronous
login
line vty 0 4
password cisco
login
line vty 5 15
password cisco
login
!
!
!
end

R1#

jtdk985

also here is the tracert from pc3 to pc1 (the one i cant access)

PC>tracert 192.168.20.2

Tracing route to 192.168.20.2 over a maximum of 30 hops:

1 2 ms 3 ms 3 ms 192.168.40.1
2 7 ms 5 ms 9 ms 10.1.4.1
3 5 ms * 4 ms 10.1.4.1
4 * 6 ms * Request timed out.
5 11 ms * 10 ms 10.1.4.1
6 * 6 ms * Request timed out.
7 6 ms * 11 ms 10.1.4.1
8 * 6 ms * Request timed out.
9 7 ms * 6 ms 10.1.4.1
10 * 8 ms * Request timed out.
11 7 ms
Packet Tracer PC Command Line 1.0
PC>tracert 192.168.10.2

yet i can run a tracert to pc0 just fine from pc3

CodeBlox

Could you post ALL running configs? And just so you know, you only need one serial interface on that leftmost router. I can't tell what the name of it is.

Stotic

Your trace dies at 10.1.4.1 because the Corp router does not have a route for 192.168.20.0/24. I believe you have a typo:

ip route 192.168.10.0 255.255.255.0 10.1.2.2 150
ip route 192.168.10.0 255.255.255.0 10.1.3.2 150

jtdk985

so it would appear a slip of the finger and a bad comment about the configs being right later...

ip route 192.168.10.0 255.255.255.0 10.1.2.2 150
ip route 192.168.10.0 255.255.255.0 10.1.3.2 150

should be 20