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Routing Issue to a management IP address on an L2 switch

Not applicable

Hey Everyone,

I'm sitting my CCNA next week and have setup a lab in Packet Tracer. I'm scratching my head over a particular issue and was hoping someone could help me out -

I've set up a scenario of 3 x L2 2960 switches with multiple VLAN trunks in a router on a stick configuration. Network connectivity between the VLANs on both PCs from VLAN 150 to 200 is successful.

What I've done is setup interface vlan 99 on all three switches and provided them with an IP address as per the diagram. A show ip int bri shows the status/protocol as both up. From my router, encapsulation dot1q 99 on interface gigabitethernet 0/0.99 has been successfully setup and I am able to ping all the IP addresses for the switches (192.168.99.2, 192.168.99.3, 192.168.99.4).

The problem that I'm having is when trying to ping the management IP addresses of my switches when I'm connected to my PCs in either VLAN 150 or VLAN 200. I've confirmed that I can successfully ping the router IP address of 192.168.99.1 but it gets no further from here. There are no ACLs or policies currently setup in my environment. The trunk links between the switches are setup to allowed VLANs 1, 150, 200 and 99. Spanning tree is enabled per VLAN and I've confirmed it shows correctly in show spanning-tree vlan 99 I've uploaded a network diagram and configs of R5 and SW5. Does anyone have an idea of why this is not working?

Thanks everyone!

-Matt

3 Replies 3

Jon Marshall
Hall of Fame
Hall of Fame

On each switch -

"ip default-gateway 192.168.99.1"

Jon

Of course. It didn't have a route back.

That did it :) Thanks Jon!

No problem and good luck with your CCNA exam.

Jon