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三层转发及 ARP、ND 操作命令 目录
1
目 录
第 1 章 L3 转发配置命令 ............................................................ 1-1
1.1 三层接口配置命令 ............................................................................ 1-1
1.1.1 bandwidth ................................................................................................ 1-1
1.1.2 description ............................................................................................... 1-1
1.1.3 description(VRF 配置模式) ................................................................. 1-1
1.1.4 interface vlan ........................................................................................... 1-2
1.1.5 interface loopback .................................................................................. 1-2
1.1.6 ip vrf .......................................................................................................... 1-3
1.1.7 ip vrf forwarding vrfName ...................................................................... 1-3
1.1.8 rd ............................................................................................................... 1-4
1.1.9 route-target .............................................................................................. 1-4
1.1.10 no interface IFNAME ............................................................................. 1-5
1.1.11 show ip route vrf ................................................................................... 1-5
1.1.12 show ip vrf ............................................................................................. 1-5
1.1.13 shutdown ............................................................................................... 1-6
1.2 网管端口配置命令 ............................................................................ 1-6
1.2.1 duplex ....................................................................................................... 1-6
1.2.2 interface ethernet .................................................................................... 1-7
1.2.3 ip address ................................................................................................ 1-7
1.2.4 shutdown ................................................................................................. 1-7
1.2.5 speed ........................................................................................................ 1-8
1.3 IP(v4/v6)配置基本命令 ..................................................................... 1-8
1.3.1 clear ip traffic ........................................................................................... 1-8
1.3.2 clear ipv6 neighbor ................................................................................. 1-8
1.3.3 debug ip icmp .......................................................................................... 1-9
1.3.4 debug ip packet ....................................................................................... 1-9
1.3.5 debug ipv6 packet ................................................................................... 1-9
1.3.6 debug ipv6 icmp ....................................................................................1-10
1.3.7 debug ipv6 nd ........................................................................................ 1-11
1.3.8 debug ipv6 tunnel packet ..................................................................... 1-11
1.3.9 description .............................................................................................1-12
1.3.10 ipv6 proxy enable ................................................................................1-12
1.3.11 ip address.............................................................................................1-12
1.3.12 ipv6 address ........................................................................................1-13
1.3.13 ipv6 route .............................................................................................1-13
1.3.14 ipv6 redirect .........................................................................................1-14
1.3.15 ipv6 nd dad attempts ..........................................................................1-14
1.3.16 ipv6 nd ns-interval ..............................................................................1-14
三层转发及 ARP、ND 操作命令 目录
2
1.3.17 ipv6 nd suppress-ra ............................................................................1-15
1.3.18 ipv6 nd ra-lifetime ...............................................................................1-15
1.3.19 ipv6 nd min-ra-interval .......................................................................1-15
1.3.20 ipv6 nd max-ra-interval .......................................................................1-16
1.3.21 ipv6 nd prefix .......................................................................................1-16
1.3.22 ipv6 nd ra-hoplimit ..............................................................................1-17
1.3.23 ipv6 nd ra-mtu .....................................................................................1-17
1.3.24 ipv6 nd reachable-time .......................................................................1-17
1.3.25 ipv6 nd retrans-timer ..........................................................................1-17
1.3.26 ipv6 nd other-config-flag ....................................................................1-18
1.3.27 ipv6 nd managed-config-flag .............................................................1-18
1.3.28 ipv6 neighbor .......................................................................................1-18
1.3.29 interface tunnel ...................................................................................1-19
1.3.30 show ip interface .................................................................................1-19
1.3.31 show ip traffic ......................................................................................1-19
1.3.32 show ipv6 interface .............................................................................1-21
1.3.33 show ipv6 route ...................................................................................1-22
1.3.34 show ipv6 neighbors ..........................................................................1-23
1.3.35 show ipv6 traffic ..................................................................................1-24
1.3.36 show ipv6 redirect...............................................................................1-25
1.3.37 show ipv6 tunnel .................................................................................1-26
1.3.38 tunnel source .......................................................................................1-26
1.3.39 tunnel destination ...............................................................................1-26
1.3.40 tunnel nexthop ....................................................................................1-27
1.3.41 tunnel 6to4-relay .................................................................................1-27
1.3.42 tunnel mode .........................................................................................1-27
1.4 IP 路由聚合配置命令 ....................................................................... 1-28
1.4.1 ip fib optimize ........................................................................................1-28
1.5 URPF 命令 ...................................................................................... 1-28
1.5.1 debug urpf ..............................................................................................1-28
1.5.2 ip urpf enable .........................................................................................1-29
1.5.3 show urpf rule ipv4 num.......................................................................1-29
1.5.4 show urpf rule ipv6 num.......................................................................1-29
1.5.5 show urpf rule ipv4 ...............................................................................1-30
1.5.6 show urpf rule ipv6 ...............................................................................1-30
1.5.7 show urpf ...............................................................................................1-30
1.5.8 urpf enable .............................................................................................1-30
1.6 ARP 转发配置命令 .......................................................................... 1-31
1.6.1 arp ...........................................................................................................1-31
1.6.2 clear arp-cache ......................................................................................1-31
1.6.3 clear arp traffic ......................................................................................1-31
1.6.4 debug arp ...............................................................................................1-32
三层转发及 ARP、ND 操作命令 目录
3
1.6.5 ip proxy-arp ...........................................................................................1-32
1.6.6 l3 hashselect ..........................................................................................1-32
1.6.7 show arp .................................................................................................1-33
1.6.8 show arp traffic .....................................................................................1-34
1.7 l3 station movement 配置命令 ...................................................... 1-34
1.7.1 l3-station-move ......................................................................................1-34
第 2 章 防 ARP 扫描功能命令 .................................................... 2-1
2.1 anti-arpscan enable ........................................................................ 2-1
2.2 anti-arpscan port-based threshold ................................................ 2-1
2.3 anti-arpscan ip-based threshold ................................................... 2-1
2.4 anti-arpscan trust ........................................................................... 2-2
2.5 anti-arpscan trust ip ....................................................................... 2-2
2.6 anti-arpscan recovery enable ........................................................ 2-2
2.7 anti-arpscan recovery time ............................................................ 2-3
2.8 anti-arpscan log enable .................................................................. 2-3
2.9 anti-arpscan trap enable ................................................................ 2-3
2.10 show anti-arpscan ........................................................................ 2-4
2.11 debug anti-arpscan ....................................................................... 2-5
第 3 章 ARP、ND 绑定配置命令 ................................................ 3-1
3.1 ip arp-security updateprotect ........................................................ 3-1
3.2 ipv6 nd-security updateprotect ..................................................... 3-1
3.3 ip arp-security learnprotect ........................................................... 3-1
3.4 ipv6 nd-security learnprotect......................................................... 3-2
3.5 ip arp-security convert ................................................................... 3-2
3.6 ipv6 nd-security convert ................................................................ 3-2
3.7 clear ip arp dynamic ....................................................................... 3-3
3.8 clear ipv6 nd dynamic .................................................................... 3-3
第 4 章 ARP GUARD 配置命令 .................................................. 4-1
4.1 arp-guard ip ..................................................................................... 4-1
第 5 章 ARP LOCAL PROXY 命令 ............................................ 5-1
三层转发及 ARP、ND 操作命令 目录
4
5.1 ip local proxy-arp ............................................................................ 5-1
第 6 章 免费 ARP 发送功能配置命令 ......................................... 6-1
6.1 ip gratuitous-arp ............................................................................. 6-1
6.2 show ip gratuitous-arp ................................................................... 6-1
第 7 章 KEEPALIVE GATEWAY 配置命令 ................................. 7-1
7.1 keepalive gateway .......................................................................... 7-1
7.2 show ip interface ............................................................................ 7-1
7.3 show keepalive gateway ................................................................ 7-1
三层转发及 ARP、ND 操作命令 第 1 章 L3 转发配置命令
1-1
第1章 L3 转发配置命令
1.1 三层接口配置命令
1.1.1 bandwidth
命令:bandwidth <bandwidth>
no bandwidth
功能:配置 interface vlan 的带宽。本命令的 no 命令为恢复 interface vlan 的带宽值为默认
值。
interface vlan 接口下面的 bandwidth 不会实际控制端口的带宽,而是用于协议计算。例如,
OSPF 计算链路的 cost 时,使用的就是接口的 bandwidth(cost=10^8/bandwidth),因 此
改变 bandwidth 会导致 OSPF 链路 cost 的改变。
参数:<bandwidth>:interface vlan 带宽值。范围<1-10000000000 bits>。可取的单位有
k,m,g。该值转化 bit 后不能有小数。
命令模式:VLAN 接口配置模式。
缺省情况:interface vlan 默认带宽值为 100,000,000bit。
使用指南:该命令只能应用于 interface vlan 接口。本命令单位换算关系:
1g=1,000m=1,000,000k=1,000,000,000bit。
举例:配置 vlan 1 的带宽值为 50,000,000bit。
Switch(Config-if-Vlan1)#bandwidth 50m
1.1.2 description
命令:description <text>
no description
功能:配置 VLAN 接口的描述信息;其 no 形式取消该 VLAN 接口的描述信息。
参数:<text>为 VLAN 接口的描述信息,它的长度不超过 256 的字符串。
命令模式:VLAN 接口配置模式
缺省情况:默认不配置。
使用指南:description 后面为用户对 VLAN 接口的描述信息,会显示在所配置的 VLAN 下。
举例:配置 VLAN 接口的描述信息为 test vlan。
Switch(config)#interface vlan 2
Switch(config-if-vlan2)#description test vlan
1.1.3 description(VRF配置模式)
命令:description <text>
no description
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