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Thank you for your fast reply. The reason that i asked the question is that i am trying to setup vpn asa to asa. I did not attach PC to the inside of ASA. In order to initiate the vpn connection without attached PC, I want to use the command to replace ping from the PC. But the command ping inside x.x.x.x did not work at my ASA. I do not know why. that is why i want to know how the command works.
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Thank you for your fast reply. The reason that i asked the question is that i am trying to setup vpn asa to asa. I did not attach PC to the inside of ASA. In order to initiate the vpn connection without attached PC, I want to use the command to replace ping from the PC. But the command ping inside x.x.x.x did not work at my ASA. I do not know why. that is why i want to know how the command works.

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Yes, you are right. the ping in this situation should not be successful
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Yes, you are right. the ping in this situation should not be successful

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Dear All<br />
<br />
Here is a question. Can you give your answer to it ?<br />
<br />
Topology:<br />
e1-ASA-e0--------------e0/<wbr />1-Router<br />
<br />
Config:<br />
ASA:<br />
interface e0 <br />
ip address 12.1.1.1 255.255.255.0<br />
outside<br />
interface e1<br />
ip address 10.1.1.1 255.255.255.0<br />
inside<br />
<br />
Router<br />
interface e0/1<br />
ip address 12.1.1.2 255.255.255.0<br />
ip route 0.0.0.0 0.0.0.0 12.1.1.1<br />
<br />
The question is, at ASA, command &quot;ping <b>inside</b> 12.1.1.2&quot; is succcessful? why ?
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Dear All

Here is a question. Can you give your answer to it ?

Topology:
e1-ASA-e0--------------e0/1-Router

Config:
ASA:
interface e0 
ip address 12.1.1.1 255.255.255.0
outside
interface e1
ip address 10.1.1.1 255.255.255.0
inside

Router
interface e0/1
ip address 12.1.1.2 255.255.255.0
ip route 0.0.0.0 0.0.0.0 12.1.1.1

The question is, at ASA, command "ping inside 12.1.1.2" is succcessful? why ?

The ping is successful at ASA ?

Cisco PIX is a dedicated hardware firewall appliance; the Cisco Adaptive Security Appliance (ASA) is a firewall and anti-malware security appliance that provides unified threat management and protection the PIX does not. Other Cisco devices and systems include routers, switches, storage networking, wireless and the software and hardware for PIX Firewall Manager (PFM), PIX Device Manager (PDM) and Adaptive Security Device Manager (ASDM).

Cisco

A virtual private network (VPN) is a network that uses a public telecommunication infrastructure, such as the Internet, to provide remote offices or travelling users access to a central organizational network securely. VPNs encapsulate data transfers using secure cryptographic methods and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted.