From: Omkar Tambalkar (omkar.groupstudy@gmail.com)
Date: Sun Nov 23 2008 - 05:29:24 ARST
What type of scenario has prompted you to use the following configuration?
interface FastEthernet0/0
no shut
interface FastEthernet0/0.1
encapsulation dot1q 212 second-dot1q 12
ip add 1.1.1.1 255.255.255.0
- Omkar
On Sat, Nov 22, 2008 at 7:42 PM, But Nicky <lyredhair@gmail.com> wrote:
> Hi all,
> I have just fixed my problem.
> Only change a little bit as below:
> SW2
> !
> interface FastEthernet0/2
> switchport access vlan 212
> *switchport mode trunk*
> switchport nonegotiate
> no cdp enable
> no shut
> !
> My network work fine.
>
> Thanks away.
> But Nguyen,
>
> On Sun, Nov 23, 2008 at 5:28 AM, But Nicky <lyredhair@gmail.com> wrote:
>
> > My topology as below:
> >
> >
> R1[F0/0]-------[F0/1]SW1[F0/13]---Trunk---[F0/13]SW2[F0/2]--------[F0/0}R2
> > 1.1.1.1/24
> > 1.1.1.2/24
> >
> ==========================================================================
> > R1:
> > !
> > interface FastEthernet0/0
> > no shut
> > interface FastEthernet0/0.1
> > encapsulation dot1q 212 second-dot1q 12
> > ip add 1.1.1.1 255.255.255.0
> > !
> > =====================================
> > SW1
> > !
> > vlan 12,212
> > sytem mtu 1504
> > !
> > interface FastEthernet0/1
> > switchport trunk encapsulation dot1q
> > switchport mode dot1q-tunnel
> > switchport nonegotiate
> > no cdp enable
> > no shut
> > !
> > interface FastEthernet0/13
> > switchport trunk encapsulation dot1q
> > switchport mode trunk
> > no shut
> > !
> > Rack3SW1(config)#do st
> >
> > Port Mode Encapsulation Status Native vlan
> > Fa0/13 on 802.1q trunking 1
> >
> > Port Vlans allowed on trunk
> > Fa0/13 1-4094
> >
> > Port Vlans allowed and active in management domain
> > Fa0/13 1,12,212
> >
> > Port Vlans in spanning tree forwarding state and not
> pruned
> > Fa0/13 1,12,212
> > =====================================
> > SW2
> > !
> > vlan 12,212
> > sytem mtu 1504
> > !
> > interface FastEthernet0/2
> > switchport access vlan 212
> > switchport mode dot1q-tunnel
> > switchport nonegotiate
> > no cdp enable
> > no shut
> > !
> > interface FastEthernet0/13
> > switchport trunk encapsulation dot1q
> > switchport mode trunk
> > no shut
> > !
> > Rack3SW2(config)#do st
> >
> > Port Mode Encapsulation Status Native vlan
> > Fa0/13 on 802.1q trunking 1
> >
> > Port Vlans allowed on trunk
> > Fa0/13 1-4094
> >
> > Port Vlans allowed and active in management domain
> > Fa0/13 1,12,212
> >
> > Port Vlans in spanning tree forwarding state and not
> pruned
> > Fa0/13 1,12,212
> > =====================================
> > R2:
> > !
> > !
> > interface FastEthernet0/0
> > no shut
> > interface FastEthernet0/0.1
> > encapsulation dot1q 12
> > ip add 1.1.1.2 255.255.255.0
> > !
> >
> >
> ============================================================================
> > Result:
> > R1(config-subif)#do ping 1.1.1.2 re 100
> >
> > Type escape sequence to abort.
> > Sending 100, 100-byte ICMP Echos to 1.1.1.2, timeout is 2 seconds:
> > ......................................................................
> > ..............................
> > Success rate is 0 percent (0/100)
> >
> > I try to change order beetwen 12, 212 in R1 fa0/0.1, but the same result.
> > Please let me know, where is I am wrong??? and how to debug this case???
> >
> > Thanks in advandce,
> > But Nguyen.
>
>
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