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bgp 阅读全文
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rpm -qa | grep ntp yum install ntp ntpdate -y init代表不成功 下面同步都是OK的 阅读全文
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tcpdump -i any -n host baidu.com and 'tcp[tcpflags] & tcp-syn != 0' 阅读全文
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Azure managed disks offer two storage redundancy options: zone-redundant storage (ZRS), and locally-redundant storage(LRS) ZRS provides higher availab 阅读全文
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Transport mode and tunnel mode The manner in which the original IP packet is modified depends on the encapsulation mode used. There are two encapsulat 阅读全文
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IKEv2 doesn’t have a main or aggressive mode for phase 1 and there’s no quick mode in phase 2. It still has two phases though, phase 1 is called the I 阅读全文
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IKEv1 phase 1: IKEv1 main mode uses 6 messages. message 1: The initiator (peer that wants to build the tunnel) will send the first message. This is a 阅读全文