Can you have multiple IP helper address Cisco?
For redundancy, but to not violate the DHCP rule of not having overlapping scopes defined for your IP pools, you need two ip-helpers. Since the DHCP servers are not aware of one another, the IP pools must be unique.
Can you have 2 IP Helper addresses?
Configuring an IP helper address You can configure up to 16 helper addresses on each interface. You can configure a helper address on an Ethernet port or a virtual interface.
What is DHCP relay IP Helper?
DHCP Relay is the concept where the server and the medium are not on the same LAN yet the host or medium might get a server from another LAN. In IP helper, the address of a server is located in a different LAN from which requests are answered.
What is IP helper address in Cisco router?
ip helper-address address Forwards UPD broadcasts, including BOOTP and DHCP. The address argument can be a specific DHCP server address, or it can be the network address if other DHCP servers are on the destination network segment. Using the network address enables other servers to respond to DHCP requests.
What is helper IP?
Internet Protocol Helper (IP Helper) assists network administration of the local computer by enabling applications to retrieve information about the network configuration of the local computer, and to modify that configuration.
What is a DHCP relay agent?
The DHCP relay agent operates as the interface between DHCP clients and the server. The DHCP Relay Agent relays DHCP messages between DHCP clients and DHCP servers on different IP networks.
What is IP DHCP relay address?
In nutshell, a DHCP relay agent converts the local DHCP broadcast message in a unicast message by using its IP address as the source IP address and sends the unicast message to the DHCP server.
How do I use DHCP IP Helper?
Configuring an IP helper address
- Enter the global configuration mode by issuing the configure terminal command. device# configure terminal.
- Enter the interface configuration mode.
- Add a helper address for the server.
- By default, an IP helper does not forward client broadcast requests to a server within the network.