200-301 · Question #408
When DHCP is configured on a router, which command must be entered so the default gateway is automatically distributed?
The correct answer is A. default-router. When configuring DHCP on a Cisco router, the default-router command within the DHCP pool configuration is used to specify the IP address that will be distributed to clients as their default gateway. This ensures clients can route traffic outside their local subnet.
Question
When DHCP is configured on a router, which command must be entered so the default gateway is automatically distributed?
Options
- Adefault-router
- Bdefault-gateway
- Cip helper-address
- Ddns-server
How the community answered
(39 responses)- A90% (35)
- B3% (1)
- C3% (1)
- D5% (2)
Why each option
When configuring DHCP on a Cisco router, the `default-router` command within the DHCP pool configuration is used to specify the IP address that will be distributed to clients as their default gateway. This ensures clients can route traffic outside their local subnet.
In Cisco IOS DHCP configurations, the `default-router` command within the DHCP pool configuration specifies the IP address that DHCP clients will receive as their default gateway. This is crucial for clients to communicate outside their local subnet.
`default-gateway` is not a standard Cisco IOS DHCP pool command for distributing the default gateway to clients; the correct command is `default-router`.
`ip helper-address` is used on an interface to forward DHCP broadcast requests to a DHCP server on a different subnet, not to define the default gateway for clients.
`dns-server` is used in a DHCP pool configuration to distribute the IP address of DNS servers to clients, not the default gateway.
Concept tested: DHCP server configuration on routers
Source: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipaddr_dhcp/configuration/15-mt/dhcp-15-mt-book/config-dhcp-server.html
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