I had being trying to connect my physical switches (4x3560 catalysts) using a break-out switch (4948) to the CSR 1000v instances on vmware without any success.
I had successfully on previous occasions connected GNS3 running on CentOS to physical switches via a breakout switch.
FOllowing is my setup:
on break_out switch: connecting to the VM_Host
interface GigabitEthernet1/24
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 101-104
switchport mode trunk
l2protocol-tunnel cdp
l2protocol-tunnel stp
l2protocol-tunnel vtp
no cdp enable
break_sw (g1/1) connected to physical SW_1 (fa0/1)
interface GigabitEthernet1/1
description R1 > SW1
switchport access vlan 101
switchport mode dot1q-tunnel
l2protocol-tunnel cdp
l2protocol-tunnel lldp
l2protocol-tunnel stp
l2protocol-tunnel vtp
no cdp enable
spanning-tree portfast
end
Port g1/24 of break_SW is connected to eth0 of VM_Host, i create a virtual port group on the vmhost, set vlan_id as 101, assign this vm_net to the csr_1000v(R1) g3
create a dot1q interface on the router:
int g3.300
encap dot1q 300
ip addr 100.0.0.1 255.255.255.0
go to physical switch SW1
create vlan 300
enable trunking on fa0/1
int fa0/1
sw trunk encap dot
sw mode trunk
sw trunk allowed vlan 300
int vlan 300
ip addr 100.0.0.11 255.255.255.0
Did all these steps, i go to CSR1000v (R1) and tried to ping vlan300 interface of physical switch (SW1) with no luck, I do not see any arp on router no mac addr on vlan 300 on the physical switch.
But i can see cdp from both devices (R1) and SW1.
Am i missing a step? I suppose the issue lies on VM host? Is it even possible to use VMhost this way to connect to a break switch and tunnel vlans?
appreciate any help on this.
thanks
Ahmed.