TinSiu@tg says to 電訊台 Cisco device, 定期backup config係好事, backup越密越好, 因為Cisco當你按Enter個一下, 就已經生效, 想後悔都太遲. 呢一點我Buy Juniper, 佢係打好晒command後, 可以比你check check, 睇真D真係無問題, 先至commit, 而且錯左仲可以roll back config, 唔錯.