arp-fake expire-time命令用来配置临时ARP表项的老化时间。 undo arp-fake expire-time命令用来恢复临时ARP表项的老化时间为缺省值。 缺省情况下,临时ARP表项的老化时间为3秒。 命令格式 arp-fake expire-timeexpire-time undo arp-fake expire-time 参数说明 ...
The arp-fake expire-time command sets the aging time of temporary ARP entries. The undo arp-fake expire-time command restores the default aging time of temporary ARP entries. By default, the aging time of temporary ARP entries is 1 second. Format arp-fake expire-time expire-time undo arp-...
# 配置接口VLANIF10的临时ARP表项超时时间为10秒。 <HUAWEI>system-view[HUAWEI]vlan 10[HUAWEI-vlan10]quit[HUAWEI]interface vlanif 10[HUAWEI-Vlanif10]arp-fake expire-time10 # 配置三层接口GE0/0/1的临时ARP表项超时时间为10秒。 <HUAWEI>system-view[HUAWEI]interfacegigabitethernet0/0/1[HUAWEI-Gigabi...
在临时ARP表项老化超时后，设备会清除临时ARP表项。可以通过命令arp-fake expire-time expire-time调整临...
If a hacker wants to take over an end host, the work must be done quickly. ARP processes expirewithin about 60 seconds. But on a network, requests can linger for up to 4 hours. That leaves plenty of time for a hacker to both contemplate and execute an attack. ...
If a hacker wants to take over an end host, the work must be done quickly. ARP processes expirewithin about 60 seconds. But on a network, requests can linger for up to 4 hours. That leaves plenty of time for a hacker to both contemplate and execute an attack. ...
如果该字段显示为“Incomplete”,表示当前表项为ARP假表项。ARP假表项是为了防止ARP Miss消息频繁上报上层软件,造成大量的系统资源浪费在处理ARP Miss消息上,由系统自动生成的临时代替ARP表项的假表项。 为了防止ARP假表项长时间存在,可以通过命令arp-fake expire-time调整ARP假表项的老化时间。
答: 如果该字段显示为“Incomplete”,表示当前表项为ARP假表项.ARP假表项是为了防止ARP Miss消息频繁上报上层软件,造成大量的系统资源浪费在处理ARP Miss消息上,由系统自动生成的临时代替ARP表项的假表项. 为了防止ARP假表项长时间存在,可以通过命令arp-fake expire-time调整ARP假表项的老化时间. 来自 ...
2.3 处理过程: a:在接口下配置提高arp表老化时间,arp-fake expire-time 30 b:降低基于源ip限制arp包发送速率,arp-miss speed-limit source-ip maximum 4 c:开启arp和arp-miss攻击防御,arp anti-attack rate-limit enable和arp-miss anti-attack rate-limit enable d:开启arp和arp-miss攻击告警,arp anti-...
可以通过命令arp-fake expire-timeexpire-time调整临时ARP表项的老化时间。 5.3 为什么交换机出现大量ARP报文,甚至引起流量告警? 如果交换机上出现过多的ARP报文,可以排查一下这些报文的来源,是否是其他设备(例如终端、对端设备)等出现问题、向交换机发生大量报文所导致的。