2.8.2 IPv6 address format

This section describes the IPv6 address format that can be used by SNMP Agent.

In each individual block separated by a colon (:), leading zeros can be omitted.
```
fec0:0001:2020:0033:4000:0500:0060:0077
 fec0:1:2020:33:4000:500:60:77
```
Contiguous blocks of zeros can be compressed to a single unit, which can be represented by :: (double colon).
```
fec0:0:0:0:100:0:0:22
 fec0::100:0:0:22
```
The final 32 bits of the address can be written in the IPv4 address format (dotted decimal notation).
```
::ffff:0b16:212c
 ::ffff:11.22.33.44
```
You can attach a scope ID using a percent sign (%) at the end of the address. The scope ID can be expressed as an interface number (numeric characters) or interface name.
```
fec0::1111:2222:3333:4444:5555%4
 The scope ID is 4.
 
fec0::1111:2222:3333:4444:5555%eth0
 The scope ID is eth0.
```

The numeric value representing an IPv6 address in the above format can contain numeric characters (0 to 9), as well as alphabetic characters (A to F and a to f). Alphabetic characters are not case sensitive.

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