Hi all,

Let me start with the network description. There are two Cisco 3560
switches (A) and (B). Switch A is the "core" switch and carries multiple
VLANs (5, 20, 82 and 100). Switch B is connected to switch A with a fiber
link (ports on both switches are set to trunk and allow all VLANs to
traverse them. The native VLAN is 100). Switch A has an IP address set on
VLAN 100: 10.100.254.254/255.255.0.0. I have manually created VLANs (10,
15, 19, 82 and 100) on switch B (has a different VTP domain than switch
A). However, I did not create the "logical" interfaces for these VLANs on
switch B (and thus these VLANs do not have IP addresses assigned to them).
I have set one physical port on switch B to be in the access mode and VLAN
100. There is a Windows system with the static IP address of
10.100.40.1/255.255.0.0 attached to it.

I am able to ping VLAN 100 interface (10.100.254.254) on switch A from
switch B, but the following do not work:
- I cannot ping 10.100.40.1 (Windows workstation connected to switch B)
from switch A
- I cannot ping 10.100.40.1 (Windows workstation connected to switch B)
from switch B
- I cannot ping 10.100.254.254 from the Windows workstation connected to
switch B.

What am I missing here? Please advise.

Thanks,
AP

Nothing weird here about vlans.

Since switch "B" isn't doing any routing, so nothing on that switch will be
able to ping anything connected to switch A unless the ports set to access
vlan 100.

Thrill5 wrote:
Nothing weird here about vlans.

Since switch "B" isn't doing any routing, so nothing on that switch
will be able to ping anything connected to switch A unless the ports
set to access vlan 100.

Sorry Thrill5, but I do not get it. How come the workstation connected
to switch B cannot ping anything connected on switch A (and switch A
itself)? Also how can this be corrected?

Are you saying that this is happening because I did not assign IP
address to VLAN 100 on switch B?

I would appreciate more information on this.