Re: A PC with two NIC routing problem

  Can you upload your switch config?

--Hammer--

On 10/1/2010 1:12 PM, Jack wrote:
> ip routing is enabled on the switch.
>
> a new vlan has been added to the layer 3 switch:
> int vlan 20
> ip addr 20.20.20.1 255.255.255.0
>
> host20 has its ethernet IP address 20.20.20.20/24 and default gateway
> 20.20.20.1
> host20 can ping 10.10.10.100 but cannot ping 11.11.11.100
>
> Please explain why and show me the solution that all hosts can ping
> the linux PC?
>
>
> Thanks,
> Jack
>
> On 10/01/2010 01:32 PM, Jack wrote:
>>
>>
>> A linux PC has two NIC cards:
>> eth0=10.10.10.100/24 belongs to VLAN 10
>> eth1=11.11.11.100/24 belongs to VLAN 11
>> the default gateway is 10.10.10.1
>>
>> A layer 3 switch has the following configuration:
>> int vlan 10
>> ip addr 10.10.10.1 255.255.255.0
>> int vlan 11
>> ip addr 11.11.11.1 255.255.255.0
>>
>>
>> Host10 on vlan 10 with ip address 10.10.10.10/24 can ping
>> 10.10.10.100, but cannot ping 11.11.11.100
>>
>> Host11 on vlan 11 with ip address 11.11.11.11/24 can ping
>> 11.11.11.100, but cannot ping 10.10.10.100
>>
>>
>> How to make the linux PC respond to all pings from both hosts?
>>
>>
>> Thanks,
>> Jack
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Fri Oct 01 2010 - 13:23:00 ART