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Category Archives: Cisco

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.

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Posted byVyacheslav28.09.202115.10.2021Posted inCisco, SecurityTags: DDoS, PerformanceLeave a comment on High CPU load on Cisco Nexus 3064

Cisco Nexus 3000 Series NX-OS Fundamentals Command Reference

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

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Posted byVyacheslav15.06.202127.09.2021Posted inCisco, ManualsLeave a comment on Cisco Nexus 3000 Series NX-OS Fundamentals Command Reference

LACP Link Aggregation on Cisco Nexus 3064

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

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Posted byVyacheslav18.12.2020Posted inCiscoTags: link aggregation, PerformanceLeave a comment on 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.

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Posted byVyacheslav26.11.202028.11.2020Posted inCiscoTags: DHCPLeave a comment on Configuring DHCP Relay on Cisco Nexus 3064

Configuring Cisco N3K-C3064PQ-10GX

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

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Posted byVyacheslav23.11.202002.08.2022Posted inCiscoLeave a comment on 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.

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Posted byVyacheslav11.11.202003.12.2020Posted inBackup, Cisco, ScriptsLeave a comment on 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):

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Posted byVyacheslav06.11.202006.11.2020Posted inCiscoTags: MTULeave a comment on Configuring Jumbo Frame on Cisco Nexus 3064

How to change MTU on Cisco

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

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Posted byVyacheslav26.08.202006.11.2020Posted inCiscoTags: MTU, QinQLeave a comment on 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.

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Posted byVyacheslav27.07.2020Posted inCiscoTags: debugLeave a comment on 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.

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Posted byVyacheslav02.12.201902.12.2019Posted inCiscoTags: NTPLeave a comment on How to configure time (NTP) on Cisco

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