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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SSH Config on Nexus Switch
Having trouble configuring SSH on 2 Fiber Channel Switches (NX-OS). Any Cisco experts here that can help?
I am pretty new with Cisco and having trouble looking for documentation on SSH config for ...
2
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1
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Is the cable-diagnostic tdr feature available on Cisco Nexus switches?
I have a Cisco Nexus 93180 on NX-OS version 9.3.11. I noticed that an available command is "show interface eth1/X cable-diagnostic-tdr". However, when I issue the command I get an messages ...
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MACsec encryption feature on Cisco NX-OSv 9000 Virtual Software?
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/7-x/nx-osv/configuration/guide/b_NX-OSv_9000/b_NX-OSv_chapter_01.html
The above link only stated some examples of features which ...
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N5K-5672 CoPP issue
I have a N5K-5672UP with enterprise license and I execute these commands to protect my control plane :
control-plane
service-policy input copp-system-policy-default
There is 2 issues:
When I execute ...
- 577
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158
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access lists not working on n3k
i have a n3k-c3064pq-10gx with version 7.0(3)I7(9) Bios:version 4.5.0 version and i have 2x 10G SFP+ (LACP) from my carrier and here is my switch config :
SWT(config-acl)# show ip access-lists uplink-...
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1
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73
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Nexus 3064 Sflow performance
We have a C3064PQ-10Gx with 10-12gbps bps and around 4m pps and we have in mind to enable sFlow to analyze the traffic, so i want to make sure if i enable sFlow it will not impact on the nexus CPU ...
- 577
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What is LLFC_PAUSE_FRAME in nexus?
Sometimes in my N3K i receive the following error :
2020 Oct 22 13:35:37 HOSTNAME %-SLOT1-2-BCM_SYSLOG_LLFC_PAUSE_FRAME: 972 LLFC pause frames received on Ethernet1/1
2020 Oct 22 13:35:39 HOSTNAME %-...
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nexus n3k %ACLQOS-SLOT1-4-ACLQOS_OVER_THRESHOLD alert
I have a n3k-c3064pq-10gx and when i execute show loggin it shows the following error :
%ACLQOS-SLOT1-4-ACLQOS_OVER_THRESHOLD: Inst 0 Tcam 8 Bank 1's ((null)) usage has reached its threshol
d
i have ...
- 577
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C3064 Snmp High CPU Utilization
I have a N3K-C3064PQ-10GX and i have 350 Vlans on it and i am monitoring it from 2x server (one of them is observium and other one is prtg) and i have applied an acl on my uplink to drop snmp packets ...
- 577
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cisco and mikrotik as console server
we have 2x Mikrotik CCR 1072 and CCR 1036 8G 2S+ and we have cisco nexus switches, so I want to connect the console port from one of the nexuses to the 1072 and connect other nexuses to 1036, so ...
- 577
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3
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Difference between N3K and N5K
I have 4-5m PPS and ~12Gb bps and around 650 interface vlan and each vlan has 3-4x prefix such as /29 or /28 and i have 6-7 bgp session with no full table and around 2000 IP routes with around 3000 ...
- 577
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NX-OS 9.3: ECMP polarization and "ip load-sharing ... rotate"
This is a "why and how exactly does this work" question. The given problem is already solved.
QUESTION:
I'm interested to understand what "rotate" in ip load-sharing address source-...
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The equivalent of "ip dhcp snooping information option allow-untrusted" on NX-OS
I'm adding DHCP Snooping to the core switches but I'm unable to find the equivalent of ip dhcp snooping information option allow-untrusted from Cisco IOS in Cisco NX-OS.
I've done some tests without ...
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1
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2
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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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Are there any of NX-OS switchport "meta tags" alike features?
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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354
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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 ...
- 3
5
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1
answer
3k
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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 ...
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3
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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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1
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1
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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
...
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2
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2
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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 ...
- 504
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1
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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 ...
- 504
1
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2
answers
1k
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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 ...
- 1,000
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1
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254
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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 ...
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