Data Center Switches

Resolved! Data Center Network

Hi All, I'm planning to change my data center network on-prem.required 48 port with 40 GE ports and 40/100 GE uplinks so is cisco catalyst 9500 it will be suitable for me or Cisco Nexus will be the correct choice as core switch and access switches?

Resolved! Nexus 9300 firmware and CoPP strict policy

Hello I currently have to download firmware to a Nexus 9300 switch remotely, but do not have access to the MGMT interface. The CoPP policy is set to strict. I can reach the 9300 through the default vrf. What kind of issues will I run into if I try to...

spine switches

Hi What are the criteria for choosing spine and leaf switches Thanks

VXLAN with statci replication doesn't transmit arp

I was configuring vxlan with static replicaiton and it doesn't transfer arp on the tunnel

NX-OS: snmp-server enable traps sysmgr cseFailSwCoreNotifyExtended

I have the following settings on my Nexus 9000 switch.I would like to know more details about when I will be notified of Trap notifications. snmp-server enable traps sysmgr cseFailSwCoreNotifyExtended

Cisco Nexus 3064 and C3750 PortChannel issues

Hi,I have two 3064 switch deployed VPC, connected to a single C3750 via port-channel. On both Nexus port eth1/45 is connected to 3750 te1/1/1 and te1/1/2 and port channel is up. The problem is i am unable to ping hosts connected to both nexus from ho...

Resolved! Nexus upgrade incompatible

Hi folksI have a Nexus 7700 6-slot switch currently on 7.2(1)D1(1). We are are looking to upgrade eventually to nxos 8 but reading through the upgrade guides, we need to upgrade first to 7.3(3)D1(1). When I do the upgrade it stops and says that 2 mo...

Resolved! Adding VXLAN configration on a VPC pair suspends member ports

I was making vpc pair a vtep and it automatically suspends the member ports

Resolved! VPC on Nexus 9k have not come up after an upgrade

We have 2 Nexus 9380s (.7.0.3.I6.1) and we upgraded the primary one to nxos.7.0.3.I7.10, Some of the VPCs have not come back up, under show vpc we are seeing Consistency Check Not - Performed Looking in the logs, we're not seeing anything that pops ...

Reason for Bandwidth change in N9K-C9396PX

Hi,this is nexus 9K series switch which is connected to same its peer 9K series switch with 10G link speed.Now for some reason port went down and came up. with the below logs its shows bandwidth change from 100000Kbit to 10000000Kbit. I am sure no on...

Cisco iCAM thresholds 9200 vs 9300(first generation)

First generation 9300s have an RSTP limit of 500 RSTP instances but 3967 VLANs. First Generation 9200s have an RSTP limit of 3967 RSTP instances and also 3967 VLANs.Are one of these incorrect? Is there a way to change iCAM thresholds and maximums? Wh...

sflow not sending data

Hi all, I have configured sflow but the collector is not seeing any data Here is my config am I missing something?-NEXUS-CORE1#-NEXUS-CORE1# show sflowsflow sampling-rate : 50000sflow max-sampled-size : 200sflow counter-poll-interval : 100sflow max-d...

Resolved! 9300 vPC switch replacement with attached FEX

I have a pair of 9396PQ switches where one failed.I now have the replacement. I installed the matching EPLD and NXOS with BIOS upgrade. I have 7 FEX that will be dual homed to both vPC members. This is the first switch I have had to replace in almost...

Resolved! Can a FEX N2K-C2232TM-E-10GE port do jumbo packets?

Hello, I have a Fabric Extender N2K-C2232TM-E-10GE plugged into a Nexus C9372PX. When I try to do the MTU 9216 command on a FEX port, it says its not allowed on extension ports. Does that mean jumbo packets are not possible on the FEX at all? Thank y...

disable mac learning on nexus 9500

hi guysI want to disable mac learning on nexus 9500 with nx-os 9.3.3 but Unfortunately i didn`t found any thing about disable mac learning on nexus 9500 with nx-os 9.3.3i found a command in nexus 3548 with nx-os 6.xhttps://www.cisco.com/c/en/us/td/do...

Data Center Switches

Forum Posts

Resolved! Data Center Network

Resolved! Nexus 9300 firmware and CoPP strict policy

spine switches

VXLAN with statci replication doesn't transmit arp

NX-OS: snmp-server enable traps sysmgr cseFailSwCoreNotifyExtended

Cisco Nexus 3064 and C3750 PortChannel issues

Resolved! Nexus upgrade incompatible

Resolved! Adding VXLAN configration on a VPC pair suspends member ports

Resolved! VPC on Nexus 9k have not come up after an upgrade

Reason for Bandwidth change in N9K-C9396PX

Cisco iCAM thresholds 9200 vs 9300(first generation)

sflow not sending data

Resolved! 9300 vPC switch replacement with attached FEX

Resolved! Can a FEX N2K-C2232TM-E-10GE port do jumbo packets?

disable mac learning on nexus 9500

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Where to configure static route on ACI

Q-in-q issues with 93180-YC-FX

HSRP IP not pinging in back to back vPC

VXLAN NVE peers not up

vPC in VxLAN leaf nodes - error "nve type-1 check failed" -

View inconsistencies in NX-OS VPC pair configuration

Broadcast in vPC

Can anyone confirm if Nexus C7010 is PoE for ethernet ports

Nexus 9000 can't recognize 16GB SFP

N9K FC Connection - replace from 4GB to 16 GB SFPs without downtime