配置VXLAN在连结7K充斥并且学习

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已更新: 2016 年 10 月 10 日

文档 ID:200269

关于翻译

关于此翻译

思科采用人工翻译与机器翻译相结合的方式将此文档翻译成不同语言，希望全球的用户都能通过各自的语言得到支持性的内容。请注意：即使是最好的机器翻译，其准确度也不及专业翻译人员的水平。 Cisco Systems, Inc. 对于翻译的准确性不承担任何责任，并建议您总是参考英文原始文档（已提供链接）。

简介

本文在连结7000系列交换机描述虚拟可扩展LAN (VXLAN)充斥的配置并且学习。

先决条件

要求

Cisco 建议您了解以下主题：

组播路由概念例如聚合点(RP)和平台独立组播(PIM)。
VXLAN概念

Note:本文假设， IP路由和组播路由在VXLAN配置之前设立了。

使用的组件

本文档中的信息基于以下软件和硬件版本：

N77-C7710
N77-F348XP-23
N77-F324FQ-25

Note:N77K运行软件版本7.2(0)D1(1)。

本文档中的信息都是基于特定实验室环境中的设备编写的。本文档中使用的所有设备最初均采用原始（默认）配置。如果您使用的是真实网络，请确保您已经了解所有命令的潜在影响。

配置

网络图

配置

这些配置是特定对配置的VXLAN部分。这些配置假设全双工可接通性对所有L3接口在有您的选择路由协议的拓扑里。静态路由用于此示例。它也假设，组播路由在这些同样L3接口设立了

VTEP-1

feature pim
system bridge-domain 50,75
feature nv overlay
feature interface-vlan

feature vni
vni 5000
vni 7500

ip route 10.10.10.2/32 Ethernet10/1 192.168.1.2
ip pim rp-address 192.168.1.1 group-list 224.0.0.0/4

bridge-domain 50
bridge-domain 75

encapsulation profile vni VSI_50_TO_5000
  dot1q 50  vni 5000
encapsulation profile vni VSI_75_TO_7500
    dot1q 75  vni 7500
bridge-domain 50
  member vni 5000
bridge-domain 75
  member vni 7500

interface nve1
  no shutdown
  source-interface loopback10
  member vni 5000 mcast-group 225.1.1.1
  member vni 7500 mcast-group 227.1.1.1

interface Bdi50
   no shutdown
   ip address 10.50.50.50/24

interface Bdi75
   no shutdown
   ip address 10.75.75.75/24

interface Ethernet7/17
  no switchport
  no shutdown
  service instance 1 vni
    no shutdown
    encapsulation profile VSI_50_TO_5000  default
  service instance 2 vni
    no shutdown
    encapsulation profile VSI_75_TO_7500 default

interface Ethernet10/1
  no switchport
  ip address 192.168.1.1/30
  ip pim sparse-mode
  no shutdown

interface loopback10
  ip address 10.10.10.1/32
  ip pim sparse-mode

请注意在VTEP (Vxlan隧道终点)的内部接口配置作为第3层端口(没有switchport)。然而，没有IP分配到它。应该注意的是BD重视定义在VTEP不必须匹配用于发送流量到此设备的VLAN ID。然而，对在封装配置文件定义的VNI (Vxlan网络标识)映射的dot1q，呼叫在内部接口的服务实例下，应该匹配VLAN ID。

VTEP-2

feature pim
system bridge-domain 50,75
feature nv overlay
feature interface-vlan

feature vni
vni 5000
vni 7500

ip route 10.10.10.1/32 Ethernet10/7 192.168.1.1
ip pim rp-address 192.168.1.1 group-list 224.0.0.0/4

bridge-domain 50
bridge-domain 75

encapsulation profile vni VSI_50_TO_5000
  dot1q 50  vni 5000
encapsulation profile vni VSI_75_TO_7500
    dot1q 75  vni 7500
bridge-domain 50
  member vni 5000
bridge-domain 75
  member vni 7500

interface nve1
  no shutdown
  source-interface loopback10
  member vni 5000 mcast-group 225.1.1.1
  member vni 7500 mcast-group 227.1.1.1

interface Bdi50
 no shutdown
 ip address 10.50.50.51/24

interface Bdi75
 no shutdown
 ip address 10.75.75.76/24

interface Ethernet7/30
  no switchport
  no shutdown
  service instance 1 vni
    no shutdown
    encapsulation profile VSI_50_TO_5000  default
  service instance 2 vni
    no shutdown
    encapsulation profile VSI_75_TO_7500 default

interface Ethernet10/7
  no switchport
  ip address 192.168.1.2/30
  ip pim sparse-mode
  no shutdown

interface loopback10
  ip address 10.10.10.2/32
  ip pim sparse-mode

请注意在VTEP的内部接口配置作为第3层端口(没有switchport)。然而，没有IP分配到它。应该注意的是BD重视定义在VTEP不必须匹配用于发送流量到此设备的VLAN ID。然而，对在封装配置文件定义的VNI映射的dot1q，呼叫在内部接口的服务实例下，应该匹配VLAN ID。

验证

使用本部分可确认配置能否正常运行。

示例输出

这些输出在稳定状态。VTEP对等体互相发现，并且流量通过在两个在encap和decap方向之间。

VTEP-1

VTEP-1# show nve vni
Codes: CP - Control Plane        DP - Data Plane
       UC - Unconfigured         SA - Suppress ARP

Interface VNI      Multicast-group   State Mode Type [BD/VRF]      Flags
--------- -------- ----------------- ----- ---- ------------------ -----
nve1      5000     225.1.1.1         Up    DP   L2 [50]
nve1      7500     227.1.1.1         Up    DP   L2 [75]

VTEP-1# show running-config interface nve 1

interface nve1
  no shutdown
  source-interface loopback10
  member vni 5000 mcast-group 225.1.1.1
  member vni 7500 mcast-group 227.1.1.1

VTEP-1# show service instance vni detail

VSI: VSI-Ethernet7/17.1
If-index: 0x35310001
Admin Status: Up
Oper Status: Up
Auto-configuration Mode: No
encapsulation profile vni VSI_50_TO_5000
  dot1q 50 vni 5000
Dot1q   VNI     BD
------------------
50      5000    50

VSI: VSI-Ethernet7/17.2
If-index: 0x35310002
Admin Status: Up
Oper Status: Up
Auto-configuration Mode: No
encapsulation profile vni TEST
  dot1q 100 vni 7500
Dot1q   VNI     BD
------------------
100     7500    75

VTEP-1# show bridge-domain

Bridge-domain 50  (2 ports in all)
Name:: Bridge-Domain50
 Administrative State: UP               Operational State: UP
        VSI-Eth7/17.1
        vni5000
        nve1

Bridge-domain 75  (2 ports in all)
Name:: Bridge-Domain75
 Administrative State: UP               Operational State: UP
        VSI-Eth7/17.2
        vni7500
        nve1

VTEP-1# show mac address-table dynamic
 Note: MAC table entries displayed are getting read from software.
 Use the 'hardware-age' keyword to get information related to 'Age'

 Legend:
        * - primary entry, G - Gateway MAC, (R) - Routed MAC, O - Overlay MAC
        age - seconds since last seen,+ - primary entry using vPC Peer-Link, E -
 EVPN entry
        (T) - True, (F) - False ,  ~~~ - use 'hardware-age' keyword to retrieve
age info
  VLAN/BD   MAC Address      Type      age     Secure NTFY Ports/SWID.SSID.LID
---------+-----------------+--------+---------+------+----+------------------
* 50       547f.eeec.af43    dynamic     ~~~      F    F  nve1/10.10.10.2
* 50       547f.eeec.af44    dynamic     ~~~      F    F  VSI-Eth7/17.1
* 50       547f.eeec.af45    dynamic     ~~~      F    F  nve1/10.10.10.2
* 75       547f.eeec.af44    dynamic     ~~~      F    F  VSI-Eth7/17.2
* 75       547f.eeec.af45    dynamic     ~~~      F    F  nve1/10.10.10.2

VTEP-1# show ip mroute detail
IP Multicast Routing Table for VRF "default"

Total number of routes: 7
Total number of (*,G) routes: 2
Total number of (S,G) routes: 4
Total number of (*,G-prefix) routes: 1

(*, 225.1.1.1/32), uptime: 19:51:28, nve(1) ip(0) pim(1)
  Data Created: No
  VXLAN Flags
    VXLAN Encap
  Stats: 0/0 [Packets/Bytes], 0.000   bps
  Incoming interface: Ethernet10/1, RPF nbr: 1.1.1.1
  Outgoing interface list: (count: 2)
    Ethernet10/1, uptime: 19:51:09, pim, (RPF)
    nve1, uptime: 19:51:28, nve

(10.10.10.1/32, 225.1.1.1/32), uptime: 19:51:28, nve(0) mrib(0) ip(0) pim(1)
  Data Created: No
  Received Register stop
  VXLAN Flags
    VXLAN Encap
  Stats: 19/2274 [Packets/Bytes], 0.000   bps
  Incoming interface: loopback10, RPF nbr: 10.10.10.1, internal
  Outgoing interface list: (count: 1)
    Ethernet10/1, uptime: 19:51:09, pim

(10.10.10.2/32, 225.1.1.1/32), uptime: 18:10:06, pim(1) mrib(1) ip(0)
  Data Created: Yes
  VXLAN Flags
    VXLAN Decap
  Stats: 9/846 [Packets/Bytes], 0.000   bps
  Incoming interface: Ethernet10/1, RPF nbr: 1.1.1.2, internal
  Outgoing interface list: (count: 2)
    Ethernet10/1, uptime: 01:00:32, pim, (RPF)
    nve1, uptime: 18:10:06, mrib

(*, 227.1.1.1/32), uptime: 12:52:13, nve(1) ip(0) pim(1)
  Data Created: No
  VXLAN Flags
    VXLAN Encap
  Stats: 0/0 [Packets/Bytes], 0.000   bps
  Incoming interface: Ethernet10/1, RPF nbr: 1.1.1.1
  Outgoing interface list: (count: 2)
    Ethernet10/1, uptime: 12:51:52, pim, (RPF)
    nve1, uptime: 12:52:13, nve

(10.10.10.1/32, 227.1.1.1/32), uptime: 12:52:13, nve(0) mrib(0) ip(0) pim(1)
  Data Created: No
  Received Register stop
  VXLAN Flags
    VXLAN Encap
  Stats: 300/39850 [Packets/Bytes], 0.000   bps
  Incoming interface: loopback10, RPF nbr: 10.10.10.1, internal
  Outgoing interface list: (count: 1)
    Ethernet10/1, uptime: 12:51:52, pim

(10.10.10.2/32, 227.1.1.1/32), uptime: 12:51:34, pim(1) mrib(1) ip(0)
  Data Created: Yes
  VXLAN Flags
    VXLAN Decap
  Stats: 22/1928 [Packets/Bytes], 0.000   bps
  Incoming interface: Ethernet10/1, RPF nbr: 1.1.1.2, internal
  Outgoing interface list: (count: 2)
    Ethernet10/1, uptime: 00:52:14, pim, (RPF)
    nve1, uptime: 12:51:34, mrib

(*, 232.0.0.0/8), uptime: 20:56:33, pim(0) ip(0)
  Data Created: No
  Stats: 0/0 [Packets/Bytes], 0.000   bps
  Incoming interface: Null, RPF nbr: 0.0.0.0
  Outgoing interface list: (count: 0)

VTEP-1# show ip arp

Flags: * - Adjacencies learnt on non-active FHRP router
       + - Adjacencies synced via CFSoE
       # - Adjacencies Throttled for Glean
       D - Static Adjacencies attached to down interface

IP ARP Table for context default
Total number of entries: 4
Address         Age       MAC Address     Interface
10.50.50.1      00:11:32  547f.eeec.af44  Bdi50
10.50.50.2      00:11:14  547f.eeec.af44  Bdi50
10.75.75.1      00:10:45  547f.eeec.af44  Bdi75
10.75.75.2      00:15:04  547f.eeec.af45  Bdi75
192.168.1.2     00:05:39  547f.eeec.af43  Ethernet10/1

VTEP-1# show ip route
IP Route Table for VRF "default"
'*' denotes best ucast next-hop
'**' denotes best mcast next-hop
'[x/y]' denotes [preference/metric]
'%<string>' in via output denotes VRF <string>

192.168.1.0/30, ubest/mbest: 1/0, attached
    *via 1.1.1.1, Eth10/1, [0/0], 20:25:13, direct
192.168.1.1/32, ubest/mbest: 1/0, attached
    *via 1.1.1.1, Eth10/1, [0/0], 20:25:13, local
10.10.10.1/32, ubest/mbest: 2/0, attached
    *via 10.10.10.1, Lo10, [0/0], 20:25:45, local
    *via 10.10.10.1, Lo10, [0/0], 20:25:45, direct
10.10.10.2/32, ubest/mbest: 1/0
    *via 1.1.1.2, Eth10/1, [1/0], 20:23:42, static
50.50.50.0/24, ubest/mbest: 1/0, attached
    *via 50.50.50.50, Bdi50, [0/0], 01:18:47, direct
50.50.50.50/32, ubest/mbest: 1/0, attached
    *via 50.50.50.50, Bdi50, [0/0], 01:18:47, local
75.75.75.0/24, ubest/mbest: 1/0, attached
    *via 75.75.75.75, Bdi75, [0/0], 01:10:05, direct
75.75.75.75/32, ubest/mbest: 1/0, attached
    *via 75.75.75.75, Bdi75, [0/0], 01:10:05, local

Note:所有这些输出采集了与数据流全网状在所有主机之间的在拓扑里。

VTEP-2

VTEP-2# show nve vni
Codes: CP - Control Plane        DP - Data Plane
       UC - Unconfigured         SA - Suppress ARP

Interface VNI      Multicast-group   State Mode Type [BD/VRF]      Flags
--------- -------- ----------------- ----- ---- ------------------ -----
nve1      5000     225.1.1.1         Up    DP   L2 [50]
nve1      7500     227.1.1.1         Up    DP   L2 [75]

VTEP-2# show running-config interface nve 1

interface nve1
  no shutdown
  source-interface loopback10
  member vni 5000 mcast-group 225.1.1.1
  member vni 7500 mcast-group 227.1.1.1

VTEP-2# show service instance vni detail

VSI: VSI-Ethernet7/30.1
If-index: 0x3531d001
Admin Status: Up
Oper Status: Up
Auto-configuration Mode: No
encapsulation profile vni VSI_50_TO_5000
  dot1q 50 vni 5000
Dot1q   VNI     BD
------------------
50      5000    50

VSI: VSI-Ethernet7/30.2
If-index: 0x3531d002
Admin Status: Up
Oper Status: Up
Auto-configuration Mode: No
encapsulation profile vni TEST
  dot1q 100 vni 7500
Dot1q   VNI     BD
------------------
100     7500    75

VTEP-2# show bridge-domain

Bridge-domain 50  (2 ports in all)
Name:: Bridge-Domain50
 Administrative State: UP               Operational State: UP
        vni5000
        VSI-Eth7/30.1
        nve1

Bridge-domain 75  (2 ports in all)
Name:: Bridge-Domain75
 Administrative State: UP               Operational State: UP
        vni7500
        VSI-Eth7/30.2
        nve1

VTEP-2# show mac address-table dynamic
 Note: MAC table entries displayed are getting read from software.
 Use the 'hardware-age' keyword to get information related to 'Age'

 Legend:
        * - primary entry, G - Gateway MAC, (R) - Routed MAC, O - Overlay MAC
        age - seconds since last seen,+ - primary entry using vPC Peer-Link, E -
 EVPN entry
        (T) - True, (F) - False ,  ~~~ - use 'hardware-age' keyword to retrieve
age info
  VLAN/BD   MAC Address      Type      age     Secure NTFY Ports/SWID.SSID.LID
---------+-----------------+--------+---------+------+----+------------------
* 50       547f.eeec.af44    dynamic     ~~~      F    F  nve1/10.10.10.1
* 50       547f.eeec.af45    dynamic     ~~~      F    F  VSI-Eth7/30.1
* 75       547f.eeec.af45    dynamic     ~~~      F    F  VSI-Eth7/30.2
* 75       547f.eeec.af48    dynamic     ~~~      F    F  nve1/10.10.10.1

VTEP-2# show ip mroute detail
IP Multicast Routing Table for VRF "default"

Total number of routes: 5
Total number of (*,G) routes: 2
Total number of (S,G) routes: 2
Total number of (*,G-prefix) routes: 1

(*, 225.1.1.1/32), uptime: 19:56:19, nve(1) ip(0) pim(0)
  Data Created: No
  VXLAN Flags
    VXLAN Encap
  Stats: 8/748 [Packets/Bytes], 0.000   bps
  Incoming interface: Ethernet10/7, RPF nbr: 1.1.1.1
  Outgoing interface list: (count: 1)
    nve1, uptime: 19:56:19, nve

(10.10.10.2/32, 225.1.1.1/32), uptime: 19:56:19, nve(0) mrib(0) pim(1) ip(0)
  Data Created: No
  Received Register stop
  VXLAN Flags
    VXLAN Encap
  Stats: 9/834 [Packets/Bytes], 0.000   bps
  Incoming interface: loopback10, RPF nbr: 10.10.10.2
  Outgoing interface list: (count: 1)
    Ethernet10/7, uptime: 18:15:17, pim

(*, 227.1.1.1/32), uptime: 12:57:03, nve(1) ip(0) pim(0)
  Data Created: No
  VXLAN Flags
    VXLAN Encap
  Stats: 10/864 [Packets/Bytes], 0.000   bps
  Incoming interface: Ethernet10/7, RPF nbr: 1.1.1.1
  Outgoing interface list: (count: 1)
    nve1, uptime: 12:57:03, nve

(10.10.10.2/32, 227.1.1.1/32), uptime: 12:57:03, nve(0) mrib(0) ip(0) pim(1)
  Data Created: No
  Received Register stop
  VXLAN Flags
    VXLAN Encap
  Stats: 30/2648 [Packets/Bytes], 0.000   bps
  Incoming interface: loopback10, RPF nbr: 10.10.10.2
  Outgoing interface list: (count: 1)
    Ethernet10/7, uptime: 12:56:45, pim

(*, 232.0.0.0/8), uptime: 18:20:36, pim(0) ip(0)
  Data Created: No
  Stats: 0/0 [Packets/Bytes], 0.000   bps
  Incoming interface: Null, RPF nbr: 0.0.0.0
  Outgoing interface list: (count: 0)

VTEP-2# show ip arp

Flags: * - Adjacencies learnt on non-active FHRP router
       + - Adjacencies synced via CFSoE
       # - Adjacencies Throttled for Glean
       D - Static Adjacencies attached to down interface

IP ARP Table for context default
Total number of entries: 4
Address         Age       MAC Address     Interface
10.50.50.1      00:11:30  547f.eeec.af44  Bdi50
10.50.50.2      00:17:07  547f.eeec.af45  Bdi50
10.75.75.1      00:04:14  547f.eeec.af45  Bdi75
10.75.75.2      00:03:24  547f.eeec.af45  Bdi75
192.168.1.1     00:10:52  547f.eeec.af48  Ethernet10/7

VTEP-2# show ip route
IP Route Table for VRF "default"
'*' denotes best ucast next-hop
'**' denotes best mcast next-hop
'[x/y]' denotes [preference/metric]
'%<string>' in via output denotes VRF <string>

192.168.1.0/30, ubest/mbest: 1/0, attached
    *via 1.1.1.2, Eth10/7, [0/0], 20:30:24, direct
192.168.1.2/32, ubest/mbest: 1/0, attached
    *via 1.1.1.2, Eth10/7, [0/0], 20:30:24, local
10.10.10.1/32, ubest/mbest: 1/0
    *via 1.1.1.1, Eth10/7, [1/0], 20:29:48, static
10.10.10.2/32, ubest/mbest: 2/0, attached
    *via 10.10.10.2, Lo10, [0/0], 20:29:39, local
    *via 10.10.10.2, Lo10, [0/0], 20:29:39, direct
50.50.50.0/24, ubest/mbest: 1/0, attached
    *via 50.50.50.51, Bdi50, [0/0], 01:22:50, direct
50.50.50.51/32, ubest/mbest: 1/0, attached
    *via 50.50.50.51, Bdi50, [0/0], 01:22:50, local
75.75.75.0/24, ubest/mbest: 1/0, attached
    *via 75.75.75.76, Bdi75, [0/0], 01:14:50, direct
75.75.75.76/32, ubest/mbest: 1/0, attached
    *via 75.75.75.76, Bdi75, [0/0], 01:14:50, local

Note:所有这些输出采集了与数据流全网状在所有主机之间的在拓扑里。

故障排除

目前没有针对此配置的故障排除信息。

由思科工程师提供

Bob Hobensack
Cisco TAC Engineer

配置VXLAN在连结7K充斥并且学习

下载选项

关于此翻译

目录

简介

先决条件

要求

使用的组件

配置

网络图

配置

VTEP-1

VTEP-2

验证

示例输出

VTEP-1

VTEP-2

故障排除

由思科工程师提供

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本文档适用于以下产品

配置VXLAN在连结7K充斥并且学习

下载选项

关于此翻译

目录

简介

先决条件

要求

使用的组件

配置

网络图

配置

VTEP-1

VTEP-2

验证

示例输出

VTEP-1

VTEP-2

故障排除

由思科工程师提供

此文档是否有帮助?

联系我们

相关的支持社区讨论

本文档适用于以下产品

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