Secure Network Administrationadvanced
An administrator can successfully log in to a firewall's web-based management interface, but hosts cannot reach external destinations through the firewall. Which statement explains why management access does not guarantee external forwarding?
Answer
The management plane operates independently of the data plane, so external forwarding requires distinct data interface and virtual router configurations.
Explanation
### What a good answer covers
- Management access and forwarded data traffic use different firewall functions, so a working browser session does not prove Internet routing works.
- Verify ethernet1/1 is configured as the Internet Layer 3 interface with the intended static address.
- Verify the virtual router includes the required interfaces and has a `0.0.0.0/0` route through ethernet1/1 to the assigned next hop.
- Confirm that the configuration was committed so the settings are active.
### Terms
- **Layer 3**: The network layer where IP routing occurs.
- **Next hop**: The gateway to which a packet is sent on its next leg.
### Remember
Successful management access does not prove that the firewall's data plane has a working route.
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