Cisco – IT Blog

High CPU load on Cisco Nexus 3064

Once I discovered on the graphs a large burst of Multicast packets on one of the ports of the Cisco Nexus 3064 switch, while the CPU load increased to 30%, before that it was 12% with L2 traffic of 13 Gbit/s.

Cisco Nexus 3000 Series NX-OS Fundamentals Command Reference

Size: 1.74 Mb
Format: PDF
Language: English
Last modified: July 2016

LACP Link Aggregation on Cisco Nexus 3064

I will give an example of configuring LAG (LACP) on a Cisco Nexus 3064.

Configuring DHCP Relay on Cisco Nexus 3064

For example, I will configure DHCPv4 Relay on Cisco N3K-C3064PQ-10GX. Initially, I configured this switch for L2, but some VLANs had to be configured as L3 and DHCPv4 Relay enabled.

Configuring Cisco N3K-C3064PQ-10GX

For example, I will configure the Cisco Nexus N3K-C3064PQ-10GX switch.

Cisco Nexus 3064 Backup Script

I will give an example of a script for backing up the configuration of a Cisco Nexus 3064 and the like.

Configuring Jumbo Frame on Cisco Nexus 3064

I will give an example of increasing the MTU to 9216 bytes globally (for a specific interface it is impossible):

How to change MTU on Cisco

I will give an example of increasing MTU on Cisco switches.

Debug on Cisco

In this article, I will give an example of configuring and viewing debug information on Cisco switches. For an example and a test, I will take a Cisco Catalyst 6509-E switch.

How to configure time (NTP) on Cisco

In this article, I’ll give an example of setting time and setting NTP to automatically synchronize time on Cisco switches.