RE: L2 tunnel in tunnel

Dear

Make things simple suppose R1 and R4 is your customer and the SW1 SW2, SW3,
and SW4 is SP. the Tunnel configuration need only on SW1 and SW4
No need to configure any thing in SW2 and SW3 just create the simple trunk try
it and tell me its working or not...

> Date: Thu, 16 Jun 2011 12:34:06 -0400
> From: ccie.unnumbered_at_gmail.com
> To: ccielab_at_groupstudy.com
> Subject: L2 tunnel in tunnel
>
> Physical connection:
>
R1(fa0/0)---(1)SW1(23,24)---(23,24)SW2(21,22)---(21,22)SW3(23,24)---(23,24)SW
4(4)---(fa0/1)R4
>
> The goal is for R1 and R4 to be able to ping each other by 14.0.0.x and
> 41.0.0.x.
> The following configuration does not work. Can some one explain why?
>
> Thanks,
> Jack
> ------------------------------------
> R1:
> interface FastEthernet0/0
> no ip address
> speed 100
> full-duplex
> !
> interface FastEthernet0/0.14
> encapsulation dot1Q 14
> ip address 14.0.0.1 255.255.255.0
> !
> interface FastEthernet0/0.41
> encapsulation dot1Q 41
> ip address 41.0.0.1 255.255.255.0
>
> R4:
> interface FastEthernet0/1
> no ip address
> speed 100
> full-duplex
> !
> interface FastEthernet0/1.14
> encapsulation dot1Q 14
> ip address 14.0.0.4 255.255.255.0
> !
> interface FastEthernet0/1.41
> encapsulation dot1Q 41
> ip address 41.0.0.4 255.255.255.0
>
>
> SW1:
> interface Port-channel4
> switchport trunk encapsulation dot1q
> switchport mode trunk
> !
> interface FastEthernet0/1
> switchport access vlan 140
> switchport mode dot1q-tunnel
> l2protocol-tunnel cdp
> l2protocol-tunnel lldp
> l2protocol-tunnel stp
> l2protocol-tunnel vtp
> no cdp enable
> !
> interface FastEthernet0/23
> switchport trunk encapsulation dot1q
> switchport mode trunk
> channel-group 4 mode desirable
> !
> interface FastEthernet0/24
> switchport trunk encapsulation dot1q
> switchport mode trunk
> channel-group 4 mode desirable
>
>
> SW2:
> interface Port-channel3
> switchport trunk encapsulation dot1q
> switchport mode trunk
> !
> interface FastEthernet0/21
> switchport trunk encapsulation dot1q
> switchport mode trunk
> channel-group 3 mode desirable
> !
> interface FastEthernet0/22
> switchport trunk encapsulation dot1q
> switchport mode trunk
> channel-group 3 mode desirable
> !
> interface FastEthernet0/23
> switchport access vlan 100
> switchport mode dot1q-tunnel
> l2protocol-tunnel cdp
> l2protocol-tunnel lldp
> l2protocol-tunnel stp
> l2protocol-tunnel vtp
> l2protocol-tunnel point-to-point pagp
> no cdp enable
> no cdp tlv server-location
> no cdp tlv app
> !
> interface FastEthernet0/24
> switchport access vlan 200
> switchport mode dot1q-tunnel
> l2protocol-tunnel cdp
> l2protocol-tunnel lldp
> l2protocol-tunnel stp
> l2protocol-tunnel vtp
> l2protocol-tunnel point-to-point pagp
> no cdp enable
> no cdp tlv server-location
> no cdp tlv app
>
>
> SW3:
> interface Port-channel2
> switchport trunk encapsulation dot1q
> switchport mode trunk
> !
> interface FastEthernet0/21
> switchport trunk encapsulation dot1q
> switchport mode trunk
> channel-group 2 mode desirable
> !
> interface FastEthernet0/22
> switchport trunk encapsulation dot1q
> switchport mode trunk
> channel-group 2 mode desirable
> !
> interface FastEthernet0/23
> switchport access vlan 100
> switchport mode dot1q-tunnel
> l2protocol-tunnel cdp
> l2protocol-tunnel lldp
> l2protocol-tunnel stp
> l2protocol-tunnel vtp
> l2protocol-tunnel point-to-point pagp
> no cdp enable
> no cdp tlv server-location
> no cdp tlv app
> !
> interface FastEthernet0/24
> switchport access vlan 200
> switchport mode dot1q-tunnel
> shutdown
> l2protocol-tunnel cdp
> l2protocol-tunnel lldp
> l2protocol-tunnel stp
> l2protocol-tunnel vtp
> l2protocol-tunnel point-to-point pagp
> no cdp enable
> no cdp tlv server-location
> no cdp tlv app
>
>
> SW4:
> interface Port-channel1
> switchport trunk encapsulation dot1q
> switchport mode trunk
> !
> interface FastEthernet0/4
> switchport access vlan 140
> switchport mode dot1q-tunnel
> l2protocol-tunnel cdp
> l2protocol-tunnel lldp
> l2protocol-tunnel stp
> l2protocol-tunnel vtp
> no cdp enable
> !
> interface FastEthernet0/23
> switchport trunk encapsulation dot1q
> switchport mode trunk
> channel-group 1 mode desirable
> !
> interface FastEthernet0/24
> switchport trunk encapsulation dot1q
> switchport mode trunk
> channel-group 1 mode desirable
> !
>
>
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Received on Thu Jun 16 2011 - 22:51:36 ART