101 · Question #648
An administrate receives an error message when attempting to create a self-IP address on a BIG- IP appliance. Which address should the administrator use to resolve the issue?
The correct answer is A. 2001:0db8:85a3:0000:0000:8a2e:0370:7334. The administrator must use a correctly formatted IPv6 address when configuring a self-IP on BIG-IP, as invalid characters or mixed syntax will trigger an error.
Question
An administrate receives an error message when attempting to create a self-IP address on a BIG- IP appliance. Which address should the administrator use to resolve the issue?
Exhibit
Options
- A2001:0db8:85a3:0000:0000:8a2e:0370:7334
- B2001:db8:85a3:Bd3.Ba2e:370:7334
- C2001:0db8:85i3:0000:0000:8a2i:0370:7334
How the community answered
(21 responses)- A86% (18)
- B5% (1)
- C10% (2)
Why each option
The administrator must use a correctly formatted IPv6 address when configuring a self-IP on BIG-IP, as invalid characters or mixed syntax will trigger an error.
2001:0db8:85a3:0000:0000:8a2e:0370:7334 is a valid full-form IPv6 address using only hexadecimal digits (0-9, a-f) separated by colons. BIG-IP requires a properly formatted address for self-IP configuration, and this is the only choice that conforms to RFC 4291 IPv6 addressing syntax, making it the only address the system will accept.
This address is invalid because it mixes period delimiters (used in IPv4 dotted-decimal notation) within an IPv6 colon-hex address, making it syntactically malformed.
This address contains the character 'i' in two groups (85i3 and 8a2i), which is not a valid hexadecimal digit - valid hex digits are only 0-9 and a-f.
Concept tested: Valid IPv6 address format for BIG-IP self-IP
Source: https://techdocs.f5.com/en-us/bigip-16-1-0/big-ip-tmos-routing-administration/managing-self-ip-addresses.html
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