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Hi Guys,   Need help on our issue that we are getting high cpu utilization on two of our 4500 switches. Core 2 is almost the same. Please see attached file. Appreciate you help in advance,   show platform cpu packet buffered | i Src Eth: Src A0:48:1C...

Joseph08 by Level 1
  • 879 Views
  • 8 replies
  • 0 Helpful votes

Hi, so I apologize at first that I'm new to this type of networking that I'm having to setup and could use some help:   I have 2 Cisco SG500X-24 switches that have 3 vlans (1, 5, 10) and connected via fiber (on different floors) on fiber port 2.  I h...

CaseyJ374 by Level 1
  • 1962 Views
  • 6 replies
  • 0 Helpful votes

HiI have a problem that I can't seem to figure out. I have two 1gig copper uplinks between a catalyst 3012 and a nexus 7010. Both ports on each switch are configured as trunk ports and when they are connected, as expected one port is in the blocked s...

Please give me the plugs on each of the following cisco switches:    Cisco 3650 48 port, Cisco 3650 24 port, Cisco 4506 (220 volt)  Cisco 4510R + E (220 volt)Cisco 4510R + E (220 volt) Cisco 3925, WS-C3850-12XS-E, WS-C3850-12XS-E, WS-C3650-24PD-S, WS...

Gmillz by Level 1
  • 321 Views
  • 1 replies
  • 0 Helpful votes

Resolved! Nexus OSPF

Hi, i am new in nexus and need some help in OSPF i have nexus connected to another router and the interfaces are trunk between them, i am forming the ospf between vlan5 in each router there is interface vlan 5 and ip x.x.x.1 and x.x.x.2 in the other ...

Hi, Would like a response from members who've implemented QoS please. I understand that by default, all ports will trust dscp markings on this switch. How would you configure auto qos on a 3650 switch stack so that VoIP traffic is prioritised on acce...

mkazam001 by Level 3
  • 760 Views
  • 5 replies
  • 0 Helpful votes

Hi all.   Had some very strange issues this evening.   I have a 2960 Switch that only seems to like certain devices being plugged into it.   For example, I tried plugging two different laptops into a few different ports, namely port 4, 5, 6,  but no ...

Hello,   How to determine that a type of traffic should be assigned to a particular class of service? Are there any rules on the subject?   Voice Realtime interactice Multimedia conferencing Broadcast Video Multimedia streaming Signaling Network Cont...

MisterTof by Level 1
  • 1023 Views
  • 7 replies
  • 0 Helpful votes

Dear: Hello, good evening to all, please I need your help, for the following clarification. What is the difference of the following reasons errors: gbic-invalid vs sfp-config-mismatch cat6knative # show errdisable recovery ErrDisable Reason Timer...

Hi all! I'm seeking help - hopefully there is an answer out there. So I was recently shipped a Cisco Nexus 5020 that I can't get to.. do anything, really. When plugged in, it goes straight to all lights green, sends the null character over the consol...

tweedge by Level 1
  • 548 Views
  • 4 replies
  • 0 Helpful votes

Hello,   I have two NX93180YC-EXs which I am planning on configuring using vPC. My question is, what's the recommended design related to using vPC Peer-Link connections? I was originally thinking about using 2x10Gbps ports (e1/1 & e1/2) but our NX7Ks...

zekebashi by Level 4
  • 439 Views
  • 1 replies
  • 0 Helpful votes

Hi i am looking for a clear Statement which product line Nexus and Catalyst  supports PTPv2 my Feeling is  that in some docs PTPv2 is treated an mentioned only as PTP and like for cat3850 AVB is mentioned - but i am not sure if 1588v2 is then suppor...

mschneid by Cisco Employee
  • 2049 Views
  • 3 replies
  • 0 Helpful votes