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Questions tagged [cisco-nexus]

47 questions
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Is there a way to limit the network bandwidth / filesystem use per user over NFS on a Solaris 10 file server?

We have a large file server running on Solaris 10 and about 200 computing nodes running on Ubuntu. The nodes access the file server over NFS. The load gets larger and larger over time. Is there a way to restrict the resources (either in/outbound…
Pavel
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Has anyone had any problems with CNAs (Converged Network Adapters)?

I'm looking to buy some CNAs to trial with, probably the Emulex board. Just wondering if anyone's using these cards or any competing cards and if so have you have any problems with them yet? In particular with stability, timeouts or high host CPU…
Chopper3
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High availability links on VMware ESXi

I have a cluster of 3 VMware ESXi6.0 hosts which are not licensed for VMware Distributed Switch. Currently, these hosts are configured with a static LAG between 2 ports on the server and a port each on a pair of Cisco Nexus 9372PX switches joined…
Daniel Arkley
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Cisco Nexus 5548UP - which side is the 'front'?

The Cisco Nexus 5548UP switch is sold in a both front-to-back and back-to-front cooling options, but which side is considered the front? The side with all the SFP+ ports? The side with the management RJ45 ports? I would want to mount the switch so…
jimbobmcgee
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How do I get past "SFP Validation Failed" on a SFP-GE-T transceiver on a Nexus 5548UP?

I inserted a SFP-GE-T (Gigabit RJ-45) transceiver in my Nexus 5548UP and I got "access down" "SFP Validation Failed" in show interface. According to the Cisco Gigabit Ethernet Transceivers Compability Matrix the SFP-GE-T is compatible with the…
Alain O'Dea
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How do I connect 100BASE-T (iDRAC6) hosts into a Nexus 2232PP via SFP+?

I have a dilemma. I want to have an end-to-end 10 Gigabit Ethernet network over SFP+, but my Dell servers have iDRAC6 which only works on 10/100BASE-T. The closest thing I could find was the GLC-T transceiver but that only does 1000BASE-T and won't…
Alain O'Dea
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Cisco Catalyst "Traffic Spanning" not working, multiple methods attempted, not sure what to try next

So we have an odd setup here. Where I work, we have two Nexus 9k switches running our core network - A and B named respectively, and they have span ports which send traffic to a Catalyst 2960-X which in turn relays to another system for traffic…
Thomas Ward
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cisco 5548 - version 5.2 equivalent command to "service unsupported-transceiver"

In my new cisco switch version, kickstart: version 5.2(1)N1(7) system: version 5.2(1)N1(7) In this latest IOS , it doesnt have service command. Could any one help , the equivalent command for "service unsupported-transceiver" Thanks,
user1812956
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Isolating Ethernet ports on a Cisco Nexus 5000

We have several machines plugged into various ports on a Cisco Nexus 5000. We want to separate the switch into groups, so a handful of machines can see and talk to each other and no one else. So, to create a physically isolated port group. We…
Brad
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Is a Fabric Module required for a Nexus 7009, or is it part of the Chassis?

I noticed that Cisco lists separate fabric modules for the Nexus 7009 switch. If I were to simply buy the Nexus 7009 Chassis (N7K-7009), what would I need at minimum? I just want to confirm, but I would guess: 1) At least one Supervisor module…
random3458sfd
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Catalyst to Nexus Migration - Can 4948s be used for access switches

We currently have a switching topology in which two 7600 make up the core and there are N many access layer 4948s at the top of every few racks. They are trunked to both 7600s. I would like to migrate to a Nexus environment. My question is can…
random3458sfd
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Don't show "more" when showing current configuration on Cisco Nexus switch

How do you stop a Cisco Nexus 3000 series switch from paging (i.e. showing "more" and forcing the user to hit space/enter) before doing a show running? On a Cisco ASA, you can do "term pager 0", but that specific syntax doesn't seem to work on a…
Lorin Hochstein
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Cisco Nexus: list all interfaces with their ips

This is the same as this question, but for Nexus: Junos: find out each interface's ip I need to show all interfaces with their respective IPs. I know that on IOS I can get that with show ip interface brief | exclude unassigned and on Junos with show…
Megaslav
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Are you able to save the running-config on Nexus Switches

I have been trolling Cisco sites and have not been able to find an answer to this questions. Are you able to perform a write mem or likewise to save these configs on Nexus 5000 switches?
onxx
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Why is my Nexus 5548UP not adding ARP entries for the trunk to a 2960S?

I have a Nexus 5548UP trunked to a Catalyst 2960S. I have verified that spanning tree is working. I explicitly made the 2960S the root bridge for all VLANs as a temporary measure since it is trunked to an ASA for inter-VLAN routing (router…
Alain O'Dea
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