本人在做IPv6-IS-IS实验,在接口下配置ISIS ipv6 enable 1指令时,提示IPv6 is not enabled for the process. 说是在ISIS视图下开启ipv6功能,为什么ISIS视图下没有 ipv6 enable指令
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最佳答案
表1-1 配置IS-IS的IPv6基本特性
操作 | 命令 | 说明 |
进入系统视图 | system-view | - |
启动IS-IS路由进程,进入IS-IS视图 | isis [ process-id ] [ vpn-instance vpn-instance-name ] | 缺省情况下,系统没有运行IS-IS |
配置网络实体名称(NET) | network-entity net | 缺省情况下,未配置NET |
创建并进入IPv6地址族视图 | address-family ipv6 [ unicast ] | 缺省情况下,不存在IS-IS IPv6地址族 |
退回到IS-IS视图 | quit | - |
退回到系统视图 | quit | - |
进入接口视图 | interface interface-type interface-number | - |
使能接口IS-IS路由进程的IPv6能力并指定要关联的IS-IS进程号 | isis ipv6 enable [ process-id ] | 缺省情况下,接口上IS-IS的IPv6能力处于关闭状态 |
在进行IPv6 IS-IS的路由特性配置之前,需完成IPv6 IS-IS基本配置。
表1-2 配置IPv6 IS-IS的路由信息控制
操作 | 命令 | 说明 |
进入系统视图 | system-view | - |
进入IS-IS视图 | isis [ process-id ] [ vpn-instance vpn-instance-name ] | - |
进入IS-IS IPv6地址族视图 | address-family ipv6 [ unicast ] | - |
配置IPv6 IS-IS路由优先级 | preference { route-policy route-policy-name| preference } * | 缺省情况下,IPv6 IS-IS路由优先级为15 |
配置IPv6 IS-IS聚合路由 | summary ipv6-prefix prefix-length [ avoid-feedback | generate_null0_route | [ level-1 | level-1-2 | level-2 ] | tag tag ] * | 缺省情况下,未配置IPv6 IS-IS聚合路由 |
配置IPv6 IS-IS发布缺省路由 | default-route-advertise [ avoid-learning | [ level-1 | level-1-2 | level-2 ] | route-policy route-policy-name | tag tag ] * | 缺省情况下,不生成IPv6 IS-IS缺省路由 |
配置IPv6 IS-IS对引入的路由进行过滤 | filter-policy { ipv6-acl-number | prefix-list prefix-list-name | route-policy route-policy-name } export [ protocol [ process-id ] ] | 缺省情况下,IPv6 IS-IS不对引入的路由信息进行过滤 本命令一般和import-route命令结合使用 |
配置IPv6 IS-IS对接收的路由进行过滤 | filter-policy { ipv6-acl-number | prefix-list prefix-list-name | route-policy route-policy-name } import | 缺省情况下,IPv6 IS-IS不对接收的路由进行过滤 |
配置IPv6 IS-IS引入外部路由信息 | import-route protocol [ as-number | process-id ] [ allow-ibgp ] [ allow-direct | cost cost-value | [ level-1 | level-1-2 | level-2 ] | route-policy route-policy-name | tag tag ] * | 缺省情况下,IPv6 IS-IS不引入外部路由信息 |
配置引入Level1/Level2的IPv6路由最大条数 | import-route limit number | 缺省情况下,未限制引入Level1/Level2的IPv6路由最大条数 |
配置从Level-2向Level-1进行路由渗透 | import-route isisv6 level-2 into level-1 [ filter-policy { ipv6-acl-number | prefix-list prefix-list-name | route-policy route-policy-name } | tag tag ] * | 缺省情况下,不从Level-2向Level-1进行路由渗透 |
配置从Level-1向Level-2进行路由渗透 | import-route isisv6 level-1 into level-2 [ filter-policy { ipv6-acl-number | prefix-list prefix-list-name | route-policy route-policy-name } | tag tag ] * | 缺省情况下,从Level-1向Level-2进行路由渗透 |
配置在负载分担方式下IPv6 IS-IS等价路由的最大数量 | maximum load-balancing number | 缺省情况下,IS-IS可用的等价路由最大条数与系统可用的最大等价路由条数保持一致 |
附上基本配置案例
如下图所示,Switch A、Switch B、Switch C和Switch D属于同一自治系统,所有交换机已使能了IPv6能力,要求它们之间通过IPv6 IS-IS协议达到IPv6网络互连的目的。
其中Switch A和Switch B是Level-1交换机,Switch D是Level-2交换机,Switch C是Level-1-2交换机。Switch A、Switch B和Switch C属于区域10,而Switch D属于区域20。
图1-3 IPv6 IS-IS基本配置组网图
(1) 配置各接口的IPv6地址(略)
(2) 配置IPv6 IS-IS
# 配置Switch A。
<SwitchA> system-view
[SwitchA] isis 1
[SwitchA-isis-1] is-level level-1
[SwitchA-isis-1] network-entity 10.0000.0000.0001.00
[SwitchA-isis-1] address-family ipv6
[SwitchA-isis-1-ipv6] quit
[SwitchA-isis-1] quit
[SwitchA] interface vlan-interface 100
[SwitchA-Vlan-interface100] isis ipv6 enable 1
[SwitchA-Vlan-interface100] quit
# 配置Switch B。
<SwitchB> system-view
[SwitchB] isis 1
[SwitchB-isis-1] is-level level-1
[SwitchB-isis-1] network-entity 10.0000.0000.0002.00
[SwitchB-isis-1] address-family ipv6
[SwitchB-isis-1-ipv6] quit
[SwitchB-isis-1] quit
[SwitchB] interface vlan-interface 200
[SwitchB-Vlan-interface200] isis ipv6 enable 1
[SwitchB-Vlan-interface200] quit
# 配置Switch C。
<SwitchC> system-view
[SwitchC] isis 1
[SwitchC-isis-1] network-entity 10.0000.0000.0003.00
[SwitchC-isis-1] address-family ipv6
[SwitchC-isis-1-ipv6] quit
[SwitchC-isis-1] quit
[SwitchC] interface vlan-interface 100
[SwitchC-Vlan-interface100] isis ipv6 enable 1
[SwitchC-Vlan-interface100] quit
[SwitchC] interface vlan-interface 200
[SwitchC-Vlan-interface200] isis ipv6 enable 1
[SwitchC-Vlan-interface200] quit
[SwitchC] interface vlan-interface 300
[SwitchC-Vlan-interface300] isis ipv6 enable 1
[SwitchC-Vlan-interface300] quit
# 配置Switch D。
<SwitchD> system-view
[SwitchD] isis 1
[SwitchD-isis-1] is-level level-2
[SwitchD-isis-1] network-entity 20.0000.0000.0004.00
[SwitchD-isis-1] address-family ipv6
[SwitchD-isis-1-ipv6] quit
[SwitchD-isis-1] quit
[SwitchD] interface vlan-interface 300
[SwitchD-Vlan-interface300] isis ipv6 enable 1
[SwitchD-Vlan-interface300] quit
[SwitchD] interface vlan-interface 301
[SwitchD-Vlan-interface301] isis ipv6 enable 1
[SwitchD-Vlan-interface301] quit
# 查看Switch A的IPv6 IS-IS路由表。
[SwitchA] display isis route ipv6
Route information for IS-IS(1)
------------------------------
Level-1 IPv6 Forwarding Table
-----------------------------
Destination : :: PrefixLen: 0
Flag : R/-/- Cost : 10
Next Hop : FE80::200:FF:FE0F:4 Interface: Vlan100
Destination : 2001:1:: PrefixLen: 64
Flag : D/L/- Cost : 10
Next Hop : Direct Interface: Vlan100
Destination : 2001:2:: PrefixLen: 64
Flag : R/-/- Cost : 20
Next Hop : FE80::200:FF:FE0F:4 Interface: Vlan100
Destination : 2001:3:: PrefixLen: 64
Flag : R/-/- Cost : 20
Next Hop : FE80::200:FF:FE0F:4 Interface: Vlan100
Flags: D-Direct, R-Added to Rib, L-Advertised in LSPs, U-Up/Down Bit Set
# 查看Switch B的IPv6 IS-IS路由表。
[SwitchB] display isis route ipv6
Route information for IS-IS(1)
------------------------------
Level-1 IPv6 Forwarding Table
-----------------------------
Destination : :: PrefixLen: 0
Flag : R/-/- Cost : 10
Next Hop : FE80::200:FF:FE0F:4 Interface: Vlan200
Destination : 2001:1:: PrefixLen: 64
Flag : D/L/- Cost : 10
Next Hop : FE80::200:FF:FE0F:4 Interface: Vlan200
Destination : 2001:2:: PrefixLen: 64
Flag : R/-/- Cost : 20
Next Hop : Direct Interface: Vlan200
Destination : 2001:3:: PrefixLen: 64
Flag : R/-/- Cost : 20
Next Hop : FE80::200:FF:FE0F:4 Interface: Vlan200
Flags: D-Direct, R-Added to Rib, L-Advertised in LSPs, U-Up/Down Bit Set
# 查看Switch C的IPv6 IS-IS路由表。
[SwitchC] display isis route ipv6
Route information for IS-IS(1)
------------------------------
Level-1 IPv6 Forwarding Table
-----------------------------
Destination : 2001:1:: PrefixLen: 64
Flag : D/L/- Cost : 10
Next Hop : Direct Interface: Vlan100
Destination : 2001:2:: PrefixLen: 64
Flag : D/L/- Cost : 10
Next Hop : Direct Interface: Vlan200
Destination : 2001:3:: PrefixLen: 64
Flag : D/L/- Cost : 10
Next Hop : Direct Interface: Vlan300
Flags: D-Direct, R-Added to Rib, L-Advertised in LSPs, U-Up/Down Bit Set
Level-2 IPv6 Forwarding Table
-----------------------------
Destination : 2001:1:: PrefixLen: 64
Flag : D/L/- Cost : 10
Next Hop : Direct Interface: Vlan100
Destination : 2001:2:: PrefixLen: 64
Flag : D/L/- Cost : 10
Next Hop : Direct Interface: Vlan200
Destination : 2001:3:: PrefixLen: 64
Flag : D/L/- Cost : 10
Next Hop : Direct Interface: Vlan300
Destination : 2001:4::1 PrefixLen: 128
Flag : R/-/- Cost : 10
Next Hop : FE80::20F:E2FF:FE3E:FA3D Interface: Vlan300
Flags: D-Direct, R-Added to Rib, L-Advertised in LSPs, U-Up/Down Bit Set
# 查看Switch D的IPv6 IS-IS路由表。
[SwitchD] display isis route ipv6
Route information for IS-IS(1)
------------------------------
Level-2 IPv6 Forwarding Table
-----------------------------
Destination : 2001:1:: PrefixLen: 64
Flag : R/-/- Cost : 20
Next Hop : FE80::200:FF:FE0F:4 Interface: Vlan300
Destination : 2001:2:: PrefixLen: 64
Flag : R/-/- Cost : 20
Next Hop : FE80::200:FF:FE0F:4 Interface: Vlan300
Destination : 2001:3:: PrefixLen: 64
Flag : D/L/- Cost : 10
Next Hop : Direct Interface: Vlan300
Destination : 2001:4::1 PrefixLen: 128
Flag : D/L/- Cost : 0
Next Hop : Direct Interface: Loop1
Flags: D-Direct, R-Added to Rib, L-Advertised in LSPs, U-Up/Down Bit Set
(0)
在执行ISIS ipv6 enable 1 时,还是提示IPv6 is not enabled for the process
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在执行ISIS ipv6 enable 1 时,还是提示IPv6 is not enabled for the process