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.
Continue reading “High CPU load on Cisco Nexus 3064”Category Archives: Cisco
Cisco Nexus 3000 Series NX-OS Fundamentals Command Reference
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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.
Continue reading “LACP Link Aggregation on 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.
Continue reading “Configuring DHCP Relay on Cisco Nexus 3064”Configuring Cisco N3K-C3064PQ-10GX
For example, I will configure the Cisco Nexus N3K-C3064PQ-10GX switch.
Continue reading “Configuring Cisco N3K-C3064PQ-10GX”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.
Continue reading “Cisco Nexus 3064 Backup Script”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):
Continue reading “Configuring Jumbo Frame on Cisco Nexus 3064”How to change MTU on Cisco
I will give an example of increasing MTU on Cisco switches.
Continue reading “How to change MTU on Cisco”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.
Continue reading “Debug on Cisco”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.
Continue reading “How to configure time (NTP) on Cisco”