3
votes
Accepted
Removing VLANs from core trunks (.1q)....?
switchport trunk allowed vlan all might be the way forward to get from a restricted 802.1q trunk to an unrestricted one ("unrestriced" as in: all VLANs allowed), without having to worry about some ...
- 8,876
2
votes
How long of an outage for ISSU Nexus Upgrade?
The best tip I can give for anything involving ISSU on 7K's is to read- and re-read- the release notes. There are very specific versions that are supported as origin/destination and there are also ...
- 6,152
2
votes
Accepted
Blacklist CLI commands on a Nexus
I think, it can be done by this:
config t
event manager applet protectmefromdoingstupid
description "goes here"
event cli match "switchport trunk allowed vlan [0-9]+.*"
action 1.0 put "There was no '...
- 61
1
vote
What is "oc_usd" Process on Cisco Nexus 7k and how to solve
The Octopus process relates to some internal ASICs. As for issue resolution, What changed? Could be a misconfiguration, software bug, bad hardware, etc. Use basic troubleshooting to narrow down ...
- 4,409
1
vote
Will Nexus load-balance method "src-dst-port" help balance link usage between two servers on same subnet?
I'm sending data on multiple ports evenly,
If your goal is to do round-robin load balancing, then I would highly discourage that because it leads to out-of-order data delivery that can actually slow ...
- 101k
1
vote
Blacklist CLI commands on a Nexus
I did the same think using RBAC locally on our Nexus 7010:
role name Soporte-2
rule 55 permit command configure terminal ; interface * ; switchport trunk allowed vlan add *
rule 50 deny command ...
- 41
1
vote
Blacklist CLI commands on a Nexus
If you insist on using EEM on Nexus, you can try with the following two applets. I have tested them out and they work as expected.
event manager applet TrunkAdd
event cli match "conf t ; int * ; ...
- 3,754
1
vote
Accepted
How long of an outage for ISSU Nexus Upgrade?
I found the issue. The interfaces of the 7K we were upgrading didn't have the 'no ip redirects' command on. This caused a drop in BFD between the neighboring router we were testing from and also ...
- 1,050
1
vote
Accepted
Looking to confirm correct OID to poll for Nexus power module operational status and the meaning of results
Cisco's SNMP Object Navigator is a great resource to answer most of these questions.
Entering your OID gives the following, so indeed 2 = OK :
Object cefcModuleOperStatus
OID 1.3.6.1.4.1.9.9....
- 2,658
1
vote
Accepted
Issue with GLC-T on in a Nexus 7000 F2e line card
This was a software issue if I recall correctly
- 136
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