From: Tarun Pahuja (pahujat@gmail.com)
Date: Fri Nov 30 2007 - 14:18:53 ART
Please check previous posts, standard ethernet interfaces only support
Vlan 1 as Native vlan.
HTH,
Tarun
On 11/30/07, Tandou Mohamed <dtandou@yahoo.com> wrote:
> if you reload your switch it will work. mine is working now after reload
>
> Thanks,
>
> Mohamed
>
> Mohammad Tawfiq Dawod <www.engineer@gmail.com> wrote:
> I am faced the exact same problem in my lab.
>
> I just reomved the native thing and continued may lab guessing that it has to do with the IOS.
>
> Your confgiguration is right....do not waste much time about it.
>
>
> BR,
> Moe
>
>
> On 11/30/07, Gupta, Gopal (NWCC) <gopal.gupta@hp.com> wrote: Hi Tandou,
>
> There should not be any issue, I have tried the same config in Dynagen
> and it is working.
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Tandou Mohamed
> Sent: Friday, November 30, 2007 19:35
> To: ccielab@groupstudy.com
> Subject: Native Vlan and DOT1Q
> Importance: Low
>
> GS,
> i am trying to figure out what i am doing or missing here.
> i am configuring dot1q between my R3 interface and my switch fa0/3. my
> R3 interface is connected to SW1 fa0/3 and R4 fa0/0 is connected to SW1
> fa0/3. My R6 fa0/1 is connected to my SW2 fa0/6 i am trunking between
> SW1 and SW2.
> Here is the problem:
> When i configure encapsulation dot1Q 30 native under R3 and do the
> same thing under my SW1 switchport trunk native vlan 30 i can't ping but
> when i remove both configs i can ping.
> There is no native vlan configured under R60/0.60 no problem pinging.
> Here is my config :
>
> SW1:
> interface FastEthernet0/3
> switchport trunk encapsulation dot1q
> switchport trunk native vlan 30
> switchport mode trunk
> switchport nonegotiate
> duplex full
> !
> interface FastEthernet0/4
> switchport access vlan 30
> switchport mode access
> duplex full
>
> R3:
> interface Ethernet0/0.30
> encapsulation dot1Q 30 native
> ip address 10.80.80.3 255.255.255.0
> !
> interface Ethernet0/0.60
> encapsulation dot1Q 60
> ip address 10.80.90.3 255.255.255.0
>
>
> R3#ping 10.80.90.6
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 10.80.90.6, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms R3#
> R3#ping 10.80.80.4
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 10.80.80.4, timeout is 2 seconds:
> .....
> Success rate is 0 percent (0/5)
>
> R4#ping 10.80.80.3
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 10.80.80.3, timeout is 2 seconds:
> .....
> Success rate is 0 percent (0/5)
> R4#
>
> R6#ping 10.80.90.3
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 10.80.90.3, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms R6#
>
> Thanks,
>
> Mohamed
>
>
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>
>
>
> --
> Best Regards,
> Mohammad
>
>
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