Questions tagged [cisco-nexus]
For questions about the Cisco network product line, called Nexus. For instance, Cisco Nexus 3000, 4000, 5000, 6000, 7000 and 9000.
154 questions
7
votes
2
answers
343
views
Can Cisco Nexus 3232C's SFP+ 1/33 and 1/34 ports use 1G optics?
I have searched all over the place and I cannot find a definitive answer to this:
Can Cisco Nexus 3232C's SFP+ 1/33 and 1/34 ports use 1G optics?
For "reasons," it would be really convenient ...
- 283
3
votes
0
answers
94
views
Facing port functionality issues on Nexus 3548 OS 10.3(6) [Maintenance Release]
I have been facing issues with multiple Nexus 3548 switches in the company, which were recently upgraded to NXOS 10.3(6) [Maintenance Release].
Almost all of them have suffered an issue where one of ...
- 141
0
votes
0
answers
86
views
cisco snmp OID for l2vpn bgp evpn
how do I find the oid for cisco from l2vpn evpn BGP prefix?
below is an example of snmpwalk output using standard mibs bgp4, and only 3 out of 5 show ip prefixes there.
enter image description here
$ ...
- 1
1
vote
2
answers
121
views
Design question to fetch L2 traffic with sFlow
I need some advice about L2 traffic fetching.
Here's the situation :
I got 2 datacenters where both core switch (Cisco Nexus9000 C93240) are linked each other through a 1GB/s vPC where our VLANs are ...
- 111
0
votes
0
answers
40
views
Sflow on Nexus returning faulty interface values
Hello fellow networking folks,
I'm currently trying to build a small monitoring solution for multicasts. In our lab we have a Nexus9000 C93108TC-EX running version 7.0. I want to start with this ...
1
vote
1
answer
491
views
vPC not getting configured on Nexus switches even though the config status is green
I have the following status on my Nexus switches regarding the vPC configuration status and I see the number of vPCs configured as zero.
Legend:
(*) - local vPC is down, forwarding via ...
- 141
2
votes
0
answers
141
views
Server redirecting packet via gateway in local LAN
I have Cisco Nexus tor switch connected with multiple servers on 25G nic. When I am pinging from server1 to server2 I am seeing higher latency in ping. After tcpdump found server replying ping reply ...
- 4,469
3
votes
1
answer
215
views
ACL and PBR on Cisco Nexus
I have a Cisco Nexus switch that I'm using as my core router. It has a connection to a firewall that handles internet-bound traffic. The switch acts as the default gateway with a default route to the ...
- 33
0
votes
1
answer
99
views
IP Assignment for applying ACL on Cisco Nexus3500 C3548P-10GX Chassis
Context
Following are the details of the layer-3 switch
cisco Nexus3500 C3548P-10GX Chassis
Intel(R) Core(TM) i3- CPU @ 2.50GHz with 16396528 kB of memory.
Processor Board ID FOC25244X6C
We have ...
- 103
0
votes
1
answer
661
views
Help on Configuring LACP with Nexus 3000 and Proxmox
We recently acquired 5 new server nodes that will make up our new Production Proxmox VE Cluster.
We also acquired a set of 2 Nexus 3172T Switches and are in the process of configuring the Network ...
- 101
0
votes
1
answer
231
views
cisco N9K-C93180LC-EX port configuration
i have a N9K-C93180LC-EX and refering to the cisco website it is showing that this device support "
Nexus 9K Fixed with up to 32p 40/50G QSFP+ or up to 18p 100G QSFP28" i want to know can i ...
- 805
0
votes
1
answer
365
views
Connect Router 4431 to pair Nexus 9k
I have to made the following setup, but I’ m not sure that is works
Before scenarios that works
Router over one link L3 connects to one Nk9 switch. On the Router side I have multiple subinterface ( ...
- 1
0
votes
0
answers
921
views
Cisco nexus 9336-FX2 ETHPORT-5-IF_DOWN_LINK_FAILURE
I am seeing following error on 100G interface. (SFP bought from fs.com)
nxos version 9.3.10
2023 Oct 11 00:41:12 spine-1 %ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet1/4 is down (Link failure)
...
- 4,469
1
vote
1
answer
161
views
Why are 10.3(99w)F and 10.3(99x)F NX-OS named like that?
According to https://www.cisco.com/c/en/us/products/collateral/ios-nx-os-software/nx-os-software/guide_c07-658595.html#TypesofCiscoNXOSSoftwarereleases the part in brackets - "99w" and "...
- 113
0
votes
1
answer
2k
views
Cisco Nexus vPC Portchannel issues
I'm currently facing a network issue between Cisco Nexus 93108 (9.3.11) on an LACP port-channel configuration.
The replica below help us to reproduce the issue we had (using 4x Nexus 9000v qcow2 image ...
- 111