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.
24 questions
0 votes
1 answer
679 views
Cisco 93180LC licensing question
We have two cisco n9k-c93180lc-ex and we enabled bgp and pbr feature and it showed the following error %LICMGR-2-LOG_LIC_MISSING_WARNING: A feature that requires LAN_ENTERPRISE_SERVICES_PKG license is ...
- 785
0 votes
1 answer
7k views
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 votes
3 answers
3k views
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 ...
- 273
1 vote
0 answers
358 views
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 ...
- 111
6 votes
1 answer
253 views
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 ...
- 785
0 votes
0 answers
289 views
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-...
- 785
0 votes
1 answer
130 views
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 ...
- 785
0 votes
1 answer
2k views
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 %-...
- 785
0 votes
1 answer
456 views
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 ...
- 785
0 votes
0 answers
276 views
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 ...
- 785
0 votes
1 answer
197 views
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 ...
- 785
0 votes
3 answers
2k views
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 ...
- 785
6 votes
1 answer
4k views
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-...
- 8,981
3 votes
1 answer
668 views
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 ...
- 504
1 vote
2 answers
1k 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 ...
- 123