处理过期lease的函数为pool_timer。它会循环遍历active lease链表,当发现过期lease时,调用supersede_lease将lease重新插入到合适的lease table中,以及写入server的数据库文件,完成的过期lease的收回。当遇到第一个没有过期的lease时,就会退出循环,并根据这个lease重新计算新的time out时间,并加入到timer list中。
[HUAWEI] display dhcp snooping user-bind all DHCP Dynamic Bind-table: Flags:O - outer vlan ,I - inner vlan ,P - map vlan IP Address MAC Address VSI/VLAN(O/I/P) Interface Lease --- 10.1.1.254 5489-9874-32d3 100/-- /-- GE5/0/30 2010.03.17-16:36 --- print count: 1 total...
#在PE_1上执行display ip routing-table vpn-instance命令,可以看到去往对端CE的路由。 配置MCE作为DHCP服务器 # 启动DHCP服务。 [MCE]dhcp enable # 创建全局地址池pool1和pool2,分别实现为分支1和分支2中的终端分配IP地址。 [MCE]ip pool pool1[MCE-ip-pool-pool1]network 10.1.1.0 mask 255.255.255.0[...
Option 51: IP 地址租期(IP Address Lease Time)- DHCP 服务器使用该选项来指定 DHCP 客户端分配的 IP 地址的租期时间。 Option 66: 引导文件名(Bootfile Name)- DHCP 服务器使用该选项来指定客户端在引导过程中需要下载的引导文件的路径和名称。 Option 150: TFTP 服务器地址(TFTP Server Address)- DHCP 服...
Apr 14 16:16:48.840: DHCP_SNOOPING: added entry to table (index 331) Apr 14 16:16:48.840:DHCP_SNOOPING: dump binding entry: Mac=00:A3:D1:44:20:46 Ip=10.0.0.5Lease=86400 Type=dhcp-snoopingVlan=10 If=FortyGigabitEthernet1/0/2 ...
第一步:确定dhcp server位置,配置DHCP SERVER dhcp enable # ip pool vlanif10 gateway-list 192.168.1.1 network 192.168.1.0 mask 255.255.255.0 lease day 10 hour 0 minute 0 dns-list 8.8.8.8 114.114.114.114 第二步:确定dhcp sever的出接口
IP address Client identifier/ Lease expiration Type Hardware address 10.1.1.5 0030-3030-662e-6532- Jan 21 14:27:27 2014 Static(C) 3030-2e30-3030-322d- 4574-6865-726e-6574 10.1.1.6 000f-e200-01c0 Unlimited Static(C) 2.20.2 动态分配地址典型配置举例 1. 组网需求 · 作为DHCP服务器的Swit...
When troubleshooting, remember that if a DHCP client fails to contact a DHCP server to lease a configuration, it will likely failover to use an Automatic Private IP Addressing (APIPA) address. If the client device has an APIPA address, communications is limited to the local subnet....
Get-DhcpServerv4Lease[-ComputerName <String>] [-ScopeId] <IPAddress> [-AllLeases] [-CimSession <CimSession[]>] [-ThrottleLimit <Int32>] [-AsJob] [<CommonParameters>] PowerShell Get-DhcpServerv4Lease[-ComputerName <String>]-IPAddress<IPAddress[]> [-CimSession <CimSession[]>] [-Throttle...
Table of Contents How To View DHCP Lease Time On Windows 10 How To View DHCP Lease Time On macOS Changing DHCP Lease Times On A Local Network How To Renew a DHCP Lease Correct Network Management In Windows 10 What Is DHCP Lease Time & Should It Be Changed?