Last Updated on August 1, 2021 by Admin 1
You execute the following command.router(config-if)#ip helper-address 172.20.14.225
Which of the following traffic types will NOT be forwarded to the IP address 172.20.14.225?
- TFTP
- SMTP
- DNS
- TACACS
Explanation:
While the ip helper address command is typically used to forward DHCP broadcasts to a DHCP server located in a remote subnet, it will also forward the following broadcast packets by default as well:
TFTP – UDP port 69
Domain Name System (DNS) UDP port 53
Time service – port 37
NetBIOS Name Server – port137
NetBIOS Datagram Server – port 138
Bootstrap Protocol (BOOTP) – port 67
TACACS UDP port 49
While the ip helper address command is typically used to forward DHCP broadcasts to a DHCP server located in a remote subnet, it will also forward the following broadcast packets by default as well:
TFTP – UDP port 69
Domain Name System (DNS) UDP port 53
Time service – port 37
NetBIOS Name Server – port137
NetBIOS Datagram Server – port 138
Bootstrap Protocol (BOOTP) – port 67
TACACS UDP port 49
Objective:
Infrastructure Services
Sub-Objective:
Configure and verify IPv4 and IPv6 DHCP
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