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Inter VLAN Routing not working on 3750 Switch

nidhinjoseph
Level 1
Level 1

Dear Experts, I have configured 3 VLANs on 3750 switch. VLAN 5,100,200 respectively. VLAN 5 is connected to internet.VLAN 200 for clients.

Added route to internet 0.0.0.0 0.0.0.0 192.168.1.1

C 192.168.1.0/24 is directly connected, Vlan5
S* 0.0.0.0/0 [1/0] via 192.168.1.1

But not able to ping to 192.168.1.1 from other VLANs

I have attached the result of

Ping from VLAN 5,100 and 200

Show run config, sh ip route, sh ip int br,sh vlan brief, #sh sdm prefer and #sh vtp status.

 

Thanks in advance....

1 Accepted Solution

Accepted Solutions

julian.bendix
Level 3
Level 3

Hi!

Do you have access to the device behind the IP 192.168.1.1?

Can we check the routes on this device? It may does not have any routes to get back to the Cat3750.

Let me know.

Best regards
Julian

 

View solution in original post

5 Replies 5

balaji.bandi
Hall of Fame
Hall of Fame

as per your output these interfaces are down, make sure your interface participate on that VLAN have an active device, so the SVI will come up and you able to ping.

 

Vlan100 10.10.100.1 YES manual up down
Vlan200 172.20.0.1 YES manual up down

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Thanks for support.

I connected my laptop to port gig 1/015 and protocol UP. 
PC got IP from dhcp ( Vlan 200) and able to ping to gateway 172.20.0.1. But it was not route to Default Gateway configured in switch

julian.bendix
Level 3
Level 3

Hi!

Do you have access to the device behind the IP 192.168.1.1?

Can we check the routes on this device? It may does not have any routes to get back to the Cat3750.

Let me know.

Best regards
Julian

 

19014D53-EC08-4CED-9123-F59B44CFAB35.jpeg

This is the Topology I am trying to apply. This L3 switch is connected to a ADSL modem for testing.

Thanks for your concern,

 

192.168.1.1 from a ADSL router. I have attached topology I am trying to implement. APs are getting IP from VLAN 100 and Clients are getting IP from VLAN 200. Also able to ping to both gateways.

 

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