Issue 20728: Enhance configlet/test_add_rack.py for ipv6-only topos#21591

yanmo96 merged 2 commits intosonic-net:mastersonic-net/sonic-mgmt:masterfrom

nexthop-ai:anders.20728.test_add_rack-for-ipv6nexthop-ai/sonic-mgmt:anders.20728.test_add_rack-for-ipv6Copy head branch name to clipboard