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Questions tagged [nx-os]

For questions about the NX-OS, where it is a network operating system for the Nexus-series Ethernet switches and MDS-series Fibre Channel storage area network switches made by Cisco Systems.

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124 views

Cisco Nexus 6k mac move detection not working

My device is cisco Nexus 6001 Chassis (one unit dc switch) # show version ... kickstart: version 7.2(1)N1(1) system: version 7.2(1)N1(1) ... I've configured mac move detection: # conf t # mac ...
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0answers
21 views

NX-OS switchportort meta tags

I believe i once stumbled across an NX-OS feature which we currently need, but for the sake of it, i can't remember the details like platform (100V, 5000, 7000) or version. We are currently using 5600'...
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0answers
61 views

Cisco Nexus 9K route-map match interface regular expressions

I'm using a 9504 running 7.0(3)I7(3). I'm trying to configure a route-map that matches all of my VLAN interfaces: route-map RedistribInterfaces permit 10 myrouter(config-route-map)# match interface ...
4
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1answer
711 views

Cisco 3172 asks for LAN_ENTERPRISE_SERVICES_PKG license to enable OSPF and PIM when they are LAN_BASE_SERVICES_PKG license features

I have several Nexus 3100 switches in which I use OSPF and PIM. Cisco says that these features are included in the LAN_BASE_SERVICES_PKG which is included by default in the switches. Switch1# sh ...
4
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3answers
726 views

Blacklist CLI commands on a Nexus

Is there a way to make a Cisco Nexus 7k to reject a CLI command? Everyone knows about the impact, when you want to add a VLAN to a trunk, and if you forget the keyword aadd. If you do this with a ...
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1answer
1k views

VLAN does not exist in NXOS

This is my first time posting so my apologies if it's not quite right. I created a VLAN in NXOS with the following configuration: interface Vlan100 no ip redirects ip address 172.50.39.2/24 ...
2
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1answer
2k views

DHCP not working on clients connected to Nexus 3048 but works on SVI

I've a strange problem with a pair of Nexus 3048 Switches in a vPC configuration. Since the core are still under implementation we've hit an strange issue: clients can't get IP addresses from the ...
1
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1answer
783 views

Cannot enable Flow Control on Cisco Nexus 3048

I've a pair of Nexus 3048 running NXOS version 7.0(3)I2(2d) and I can't enable flow control on ethernet interfaces. When issuing the command: flowcontrol receive on it returns with: ERROR: This ...
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2answers
877 views

How long of an outage for ISSU Nexus Upgrade?

I am in the progress of doing ISSU upgrades on some nexus 7710 chassis' with dual supervisor modules. I set a ping test that to traverse across the switch shortly before the upgrade and experienced ...
3
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1answer
133 views

DCNM Lincense Allocation

I recently installed Cisco DCNM (Data Center Network Manager) and my trial license has expired but I would like to continue to use the free Essentials license for my 5K switches. Can anyone advise ...