07-10-2014 09:44 AM - edited 03-04-2019 11:19 PM
how can i ping vlan 10 and 20 to vlan 30 and 40? in which i use 2 switch n 2 router to create WAN and VLAN? when i define vlans on switch and the i go to the router so here i can't give ip address here i attach my topology picture. please help me out.
THNAKYOU
07-10-2014 09:48 AM
Hi
Your Network topology requires a few correction, you cannot have the same subnet in two different VLANs on the same switch;
What is the purpose of your topology?
Is this a test scenario for you to test and learn or is this a topology you want to implement?
It would be helpful to know what is your goal so that an appropriate answer could be given.
-Balaji
07-10-2014 10:24 AM
no sir its just a pratice topology. actually i am weak in assigning ips and subnets can you please teach me about that first?
07-10-2014 10:39 AM
There are numerous websites that explain about VLAN, IP address and subnetting. May be the below link is a good starter for the theory;
http://www.cisco.com/web/learning/le31/le46/cln/qlm/CCNA/icnd2/understanding-vlans-and-trunks/player.html
I would suggest to listen to the audio and try to understand the VLAN and trunk and start from there.
Please let me know if you have any specific doubts / questions and I would be glad to help you.
-Balaji
07-11-2014 01:16 AM
ok thanku sir.
07-11-2014 08:10 AM
The topology lacks information to troubleshoot;
1. Where is the DHCP server configured? is it on the router? if yes, which router?
2. Did you check if the PCs have obtained IP address using DHCP or did you assign the IP address manually?
3. Is the vlan id on the ports fa0/1 and fa0/2 same?
4. Provide me the sh run of the ports fa0/1 and fa0/2 and the IPConfig /all from the PCs PC0 and PC1
07-11-2014 08:45 AM
DHCP configuration is on layer3 switch
yeah i was checked and DHCP is successfully implimented.
which vlan id?
ok. i am show you my configurations.
LAYER 2 CONFIGURATION:
Switch#sh run
Building configuration...
Current configuration : 1164 bytes
!
version 12.1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Switch
!
!
spanning-tree mode pvst
!
interface FastEthernet0/1
switchport access vlan 10
switchport mode access
!
interface FastEthernet0/2
switchport access vlan 20
switchport mode access
!
interface FastEthernet0/3
switchport mode trunk
!
interface FastEthernet0/4
!
interface FastEthernet0/5
!
interface FastEthernet0/6
!
interface FastEthernet0/7
!
interface FastEthernet0/8
!
interface FastEthernet0/9
!
interface FastEthernet0/10
!
interface FastEthernet0/11
!
interface FastEthernet0/12
!
interface FastEthernet0/13
!
interface FastEthernet0/14
!
interface FastEthernet0/15
!
interface FastEthernet0/16
!
interface FastEthernet0/17
!
interface FastEthernet0/18
!
interface FastEthernet0/19
!
interface FastEthernet0/20
!
interface FastEthernet0/21
!
interface FastEthernet0/22
!
interface FastEthernet0/23
!
interface FastEthernet0/24
!
interface Vlan1
no ip address
shutdown
!
interface Vlan10
no ip address
!
interface Vlan20
no ip address
!
!
line con 0
!
line vty 0 4
login
line vty 5 15
login
!
!
end
LAYER 3 CONFIGURATION:
Switch#sh run
Building configuration...
Current configuration : 1635 bytes
!
version 12.2
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Switch
!
!
!
!
ip dhcp excluded-address 192.168.10.1 192.168.10.5
ip dhcp excluded-address 192.168.20.1 192.168.20.5
!
ip dhcp pool anila
network 192.168.10.0 255.255.255.0
default-router 192.168.10.1
ip dhcp pool anila1
network 192.168.20.0 255.255.255.0
default-router 192.168.20.1
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
interface FastEthernet0/1
switchport trunk encapsulation dot1q
switchport mode trunk
!
interface FastEthernet0/2
no switchport
ip address 192.168.30.2 255.255.255.252
duplex auto
speed auto
!
interface FastEthernet0/3
!
interface FastEthernet0/4
!
interface FastEthernet0/5
!
interface FastEthernet0/6
!
interface FastEthernet0/7
!
interface FastEthernet0/8
!
interface FastEthernet0/9
!
interface FastEthernet0/10
!
interface FastEthernet0/11
!
interface FastEthernet0/12
!
interface FastEthernet0/13
!
interface FastEthernet0/14
!
interface FastEthernet0/15
!
interface FastEthernet0/16
!
interface FastEthernet0/17
!
interface FastEthernet0/18
!
interface FastEthernet0/19
!
interface FastEthernet0/20
!
interface FastEthernet0/21
!
interface FastEthernet0/22
!
interface FastEthernet0/23
!
interface FastEthernet0/24
!
interface GigabitEthernet0/1
!
interface GigabitEthernet0/2
!
interface Vlan1
no ip address
shutdown
!
interface Vlan10
ip address 192.168.10.1 255.255.255.0
!
interface Vlan20
ip address 192.168.20.1 255.255.255.0
!
ip classless
ip route 0.0.0.0 0.0.0.0 192.168.30.1
!
!
!
!
!
!
!
line con 0
line vty 0 4
login
!
!
!
end
ROUTER 0 CONFIGURATION:
Router#sh run
Building configuration...
Current configuration : 784 bytes
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Router
!
!
!
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
interface FastEthernet0/0
ip address 192.168.30.1 255.255.255.252
ip nat inside
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 192.168.31.1 255.255.255.252
ip nat outside
duplex auto
speed auto
!
interface Vlan1
no ip address
shutdown
!
ip nat pool anila 192.18.184.105 192.18.184.110 netmask 255.255.255.248
ip nat inside source list 1 pool anila overload
ip classless
ip route 0.0.0.0 0.0.0.0 192.168.30.2
!
!
access-list 1 permit 192.168.10.0 0.0.0.255
access-list 1 permit 192.168.20.0 0.0.0.255
!
!
!
!
!
line con 0
line vty 0 4
login
!
!
!
end
ROUTER 1 CONFIGURATION:
Router#sh run
Building configuration...
Current configuration : 542 bytes
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Router
!
!
!
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
interface FastEthernet0/0
ip address 192.168.31.2 255.255.255.252
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
duplex auto
speed auto
shutdown
!
interface Vlan1
no ip address
shutdown
!
ip classless
ip route 0.0.0.0 0.0.0.0 192.168.31.1
!
!
!
no cdp run
!
!
!
!
!
line con 0
line vty 0 4
login
!
!
!
end
07-11-2014 09:02 AM
Your Switchport trunk configuration is incomplete, add the following command on the trunk port;
switchport trunk allowed vlan 10, 20
Add this configuration on both the trunk ports and see how it goes
07-11-2014 09:22 AM
i am applying it on LAYER 2 switch
but still not pinged
07-15-2014 12:52 AM
Its a command to trace the route, mean a route which path select for reach-ability. your above situation show, this route is not reachable.
HTH
kazim
07-11-2014 09:27 AM
layer 3 and pcs are ping but layer 2 and pcs are not ping same as router0 and pcs are not ping
07-11-2014 09:34 AM
The Layer 2 switch has no IP address and obviously has nothing to "ping"
What exactly do you mean by "layer 2 and pcs are not ping"?
What is your "sh ip route" command output on the router0? and Layer3 switch?
07-11-2014 09:41 AM
oh yes sorry i was out of mind.
LAYER3 OUTPUT:
Layer3#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is 192.168.30.1 to network 0.0.0.0
C 192.168.10.0/24 is directly connected, Vlan10
C 192.168.20.0/24 is directly connected, Vlan20
192.168.30.0/30 is subnetted, 1 subnets
C 192.168.30.0 is directly connected, FastEthernet0/2
S* 0.0.0.0/0 [1/0] via 192.168.30.1
ROUTER0 OUTPUT:
Router0#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is 192.168.30.2 to network 0.0.0.0
192.168.30.0/30 is subnetted, 1 subnets
C 192.168.30.0 is directly connected, FastEthernet0/0
192.168.31.0/30 is subnetted, 1 subnets
C 192.168.31.0 is directly connected, FastEthernet0/1
S* 0.0.0.0/0 [1/0] via 192.168.30.2
Router0#
07-11-2014 09:44 AM
Did the PCs got the IP addresses? I doubt it as you dont have the DHCP helper address configured on the L2 switch.
Provide the IPConfig / all output from the PCs
07-11-2014 09:51 AM
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