Bash command to extract DHCPv6 or SLAAC IPv6 address from a server

DHCPv6-SLAAC-BASH-COMMAND

### Use any one you like from down below.

## DHCPv6
ip -6 addr|awk '{print $2}'|grep -P '^(?!fe80)(?!fd).*/128'|grep '^2'|cut -d '/' -f1
#
/sbin/ip -6 addr | grep inet6 | grep -vE 'fe80|host|fd|mngtmpaddr|temporary' | grep -F 'scope global dynamic' | sed -e 's/^.*inet6 \([^ ]*\)\/.*$/\1/;t;d'

## SLAAC
ip -6 addr|grep -E 'inet6 [^!(fe80)!(fd)].*/64.*global dynamic'|awk '{print $2}'|cut -d/ -f1
#
ip -6 addr|grep -E 'inet6.*/64.*global dynamic'|awk '{print $2}'|grep -P '^(?!fe80)(?!fd)'|cut -d/ -f1
#
/sbin/ip -6 addr|grep inet6|grep -vE 'temporary'|awk '{print $2}'|grep -P '^(?!fe80)(?!fd).*/64'|cut -d '/' -f1
#
/sbin/ip -6 addr|grep inet6|grep -vE 'temporary'|grep -F 'scope global dynamic'|awk '{print $2}'|grep -P '^(?!fe80)(?!fd).*/64'|cut -d '/' -f1
#
ip -6 addr | grep -E 'inet6.*global dynamic' | grep -v 'temporary' | awk '{print $2}' | cut -d/ -f1