{{>toc}}

h1. NXOS

Cisco Nexus 3064X

version 7.0(3)I4(7)

Voir aussi https://www.grenode.net/Documentation_technique/Machines/kraken/

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus3000/sw/fundamentals/503_U3_1/b_Nexus_3000_Fundamentals_Guide_Release_503_U3_1.pdf

h2. Interface de management out-of-band

* n3064a Adresse: 192.168.129.46

<pre>

interface mgmt0

  vrf member management

  ip address 192.168.129.46/24

</pre>

h2. Commandes

h3. Sauvegarde config 

<pre>

nexus# copy run start

</pre>

Copie via scp

<pre>

nexus# copy run scp://matthieu@192.168.129.1/

</pre>

h3. Passwordless ssh

<pre>

conf t

username admin sshkey ssh-rsa AAAA...

<pre>

Ensuite :

<pre>

(echo conf t;echo int e1/42;echo switchport access vlan 3189) |ssh n3064a

</pre>

h3. Config interface

<pre>

nexus# conf t

nexus(config)# interface ethernet 1/3

nexus(config-if)# switchport mode trunk

nexus(config-if)# exit

nexus(config)# exit

nexus#

</pre>

pour un vlan non taggé

<pre>

nexus(config-if)# switchport access vlan 3131

</pre>

h3. Etat des interfaces

<pre>

nexus# sh int status

nexus# sh int transceiver

nexus# sh int ethernet 1/1

# Afficher le DOM d'une optique

nexus# sh int Eth 1/1 tran de

</pre>

</pre>

h3. Boot

<pre>

nexus# conf t

nexus(config)# boot nxos bootflash:/nxos.7.0.3.I4.7.bin 

nexus(config)# boot order bootflash

nexus(config)# exit

nexus#

</pre>

h3. Features et Misc

<pre>

# Pour dire au switch d'accepter n'importe quel type de SFP

service unsupported-transceiver

# Autoriser le switch à avoir une IP sur une interface VLAN

feature interface-vlan

# Activer les features LACP

feature lacp

# Activer la possiblité de faire du LLDP

feature lldp

# Mettre tous les ports en shutdown par défaut (penser à activer le port lors de la configuration avec un 'no shutdown'

system default switchport shutdown

</pre>

h3. Misc

<pre>

no password strength-check

nexus# sh mac address-table 

nexus# sh environment

(...) 

Temperature:

-------------------------------------------------------------------------

Module  Sensor             MajorThresh   MinorThres   CurTemp     Status 

                           (Celsius)     (Celsius)   (Celsius)           

-------------------------------------------------------------------------

1        Back-Right (D0)   70            44            33         Ok             

1        Back-Left  (D1)   70            42            29         Ok             

1        Front-Right(D2)   70            47            32         Ok             

1        Front-Left (D3)   70            49            30         Ok         

nexus# sh int e1/1 cap

nexus# sh int e1/1 tra det

# TODO verifier

conf t

int eth1/4

switchport trunk allowed vlan xxx

switchport trunk native vlan nnn

</pre>

h3. NTP

Client de nagios :

<pre>

conf t

ntp server 192.168.3.7

ntp source-interface  Vlan3175

</pre>

h3. 40G

40G <=> 4x10G reboot necessaire

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus3000/sw/interfaces/6_x/b_Cisco_n3k_Interfaces_Configuration_Guide_602_U11/b_Cisco_n3k_Interfaces_Configuration_Guide_602_U11_chapter_010.html

<pre>

conf t

hardware profile portmode 48x10g+4x40g

exit

reload

</pre>

4x10G :

<pre>

hardware profile portmode 64x10G

</pre>

h3. MPLS

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus3000/sw/label_switching/7x/b_Cisco_Nexus_3000_Series_NX-OS_Label_Switching_Configuration_Guide_7x/b_Cisco_Nexus_3000_Series_NX-OS_Label_Switching_Configuration_Guide_7x_chapter_010.html

<pre>

n3064a# show feature-set 

Feature Set Name      ID        State   

--------------------  --------  --------

fex                    3          uninstalled

mpls                   4          uninstalled

fabric                 7          uninstalled

fcoe-npv               8          uninstalled

</pre>

Linux

<pre>

20180312 09:09:57<guerby> test du lundi matin sur kernel 4.16-rc4 avec iproute2 4.15.0:  ip route add 10.1.1.0/30 encap mpls 200/300 dev eth0 et tcpdump donne

20180312 09:09:59<guerby> 09:07:56.394863 70:85:c2:3a:17:2a > ff:ff:ff:ff:ff:ff, ethertype MPLS unicast (0x8847), length 106: MPLS (label 200, exp 0, ttl 64) (label 300, exp 0, [S], ttl 64) 91.224.148.12 > 10.1.1.1: ICMP echo request, id 25171, seq 37, length 64

</pre>

h2. Infos

<pre>

nexus# sh version

Cisco Nexus Operating System (NX-OS) Software

TAC support: http://www.cisco.com/tac

Copyright (C) 2002-2017, Cisco and/or its affiliates.

All rights reserved.

The copyrights to certain works contained in this software are

owned by other third parties and used and distributed under their own

licenses, such as open source.  This software is provided "as is," and unless

otherwise stated, there is no warranty, express or implied, including but not

limited to warranties of merchantability and fitness for a particular purpose.

Certain components of this software are licensed under

the GNU General Public License (GPL) version 2.0 or 

GNU General Public License (GPL) version 3.0  or the GNU

Lesser General Public License (LGPL) Version 2.1 or 

Lesser General Public License (LGPL) Version 2.0. 

A copy of each such license is available at

http://www.opensource.org/licenses/gpl-2.0.php and

http://opensource.org/licenses/gpl-3.0.html and

http://www.opensource.org/licenses/lgpl-2.1.php and

http://www.gnu.org/licenses/old-licenses/library.txt.

Software

  BIOS: version 4.0.0

  NXOS: version 7.0(3)I4(7)

  BIOS compile time:  12/05/2016

  NXOS image file is: bootflash:///nxos.7.0.3.I4.7.bin

  NXOS compile time:  6/28/2017 14:00:00 [06/28/2017 21:53:29]

Hardware

  cisco Nexus3000 C3064PQ Chassis 

  Intel(R) Celeron(R) CPU        P4505  @ 1.87GHz with 3903284 kB of memory.

  Processor Board ID FOC17342TSZ

  Device name: nexus

  bootflash:    1638000 kB

  usb1:               0 kB (expansion flash)

Kernel uptime is 0 day(s), 2 hour(s), 10 minute(s), 12 second(s)

Last reset at 335975 usecs after  Wed Feb 14 15:25:27 2018

  Reason: Reset Requested by CLI command reload

  System version: 7.0(3)I4(7)

  Service: 

plugin

  Core Plugin, Ethernet Plugin

Active Package(s):

nexus# sh inventory all

NAME: "Chassis",  DESCR: "Nexus3000 C3064PQ Chassis"             

PID: N3K-C3064PQ-10GX    ,  VID: V01 ,  SN: FOC1734R15F          

NAME: "Slot 1",  DESCR: "48x10GE + 4x40G Supervisor"            

PID: N3K-C3064PQ-10GX    ,  VID: V01 ,  SN: FOC17342TSZ          

NAME: "Power Supply 1",  DESCR: "Nexus3000 C3064PQ Chassis Power Supply"

PID: N2200-PAC-400W      ,  VID: V04 ,  SN: DTN1733P0VH          

NAME: "Power Supply 2",  DESCR: "Nexus3000 C3064PQ Chassis Power Supply"

PID: N2200-PAC-400W      ,  VID: V04 ,  SN: DTN1733P0UK          

NAME: "Fan 1",  DESCR: "Nexus3000 C3064PQ Chassis Fan Module"  

PID: N3K-C3064-FAN-F     ,  VID: V00 ,  SN: N/A                  

NAME: Ethernet1/1,  DESCR: FiberStore                              

PID: SFP-H10GB-ACU10M    ,  VID: SFP-10G-AOC     ,  SN: F176CO35764-1    

nexus# sh license 

license_FOC1734R15F_12_1.lic:

SERVER this_host ANY

VENDOR cisco

FEATURE LAN_BASE_SERVICES_PKG cisco 1.0 permanent uncounted \

        VENDOR_STRING=<LIC_SOURCE>NEXUS_PRODUCTION</LIC_SOURCE><SKU>N3K-BAS1K9</SKU> \

        HOSTID=VDH=FOC1734R15F \

        NOTICE=<LicFileID>20131030222602000</LicFileID><LicLineID>1</LicLineID><PAK>N3K-C3064PQ-10GXFOC1734R15F</PAK> \

        SIGN=BBF8EBE2F7B6

FEATURE LAN_ENTERPRISE_SERVICES_PKG cisco 1.0 permanent uncounted \

        VENDOR_STRING=<LIC_SOURCE>NEXUS_PRODUCTION</LIC_SOURCE><SKU>N3K-LAN1K9</SKU> \

        HOSTID=VDH=FOC1734R15F \

        NOTICE=<LicFileID>20131030222602000</LicFileID><LicLineID>2</LicLineID><PAK>N3K-C3064PQ-10GXFOC1734R15F</PAK> \

        SIGN=FF75EB18A86E

</pre>

h2. Consommation

77 Watt, cos phi 0.92, pas de pic pendant le boot