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Hi,  I am finding a hard time finding ISO version compatibility. Can I go from current running ISO version: 15.0(2)SE6, 15.0(2a)EX5, 15.0(2)SE8, 15.0(2)SE8 TO 15.2.4E8 MD? Switch models: 2960-C and 2960-X (24 & 48 ports). Thank you. 

Hi there,Thanks for reading. I'm having trouble stacking 4 members into a C9300-48U stack.  I have redundant PSUs installed and powered.  I have all four cables with the Cisco emblem upright (and notched side at bottom).  I seated all ends with a nic...

Bob Greer by Level 4
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  • 3 replies
  • 0 Helpful votes

Hi,  I am planning to implement qos on WS-X4590-E with  WS-X45-SUP6-E Supervisor. IOS 12.2(50) I will be marking couple of application to AF21 and also prioritize voice packets, signaling packets against the ACL. Q: There are users connected on this ...

Recently replaced a 3845 in my Data Center with a ISR 4331. Used the same Fiber SFP that was in the 3845 in the 4331. My network monitor is showing my WAN interface and completely down.  This is the output from the sh interface:DALLAS-4331#sh int g0/...

Brromeo by Level 1
  • 2143 Views
  • 2 replies
  • 0 Helpful votes

Have a new switch that I think dumped it's config during a failed firmware update, console into the switch during boot-up and this is all I get:CPU rev: BImage passed digital signature verificationBoard rev: 5Testing DataBus...Testing AddressBus...Te...

Hello,I want to understand what is now considered best practice for campus networks supporting Cisco voice and video traffic in 2019. Many of the QoS docs on the Cisco site seem out of date - for example Cisco Medianet has been deprecated but there i...

Hi, What is the best possible configuration to implement QOS for live streaming in a layer 2 environment.Its completely cisco  switch environment and streaming source and clients are connected in two different L2 switch with maximum of three hops. st...

Hi All,I'm currently looking for a certain visio stencil of an old Cisco Switch (Catalyst 2948 - WS-C2948).To prevent you pointing me towards the known Stencils-Listing-Site: I know that link: https://www.cisco.com/c/en/us/products/visio-stencil-list...

Fischi by Level 1
  • 1483 Views
  • 0 replies
  • 0 Helpful votes

What is use of DHCP SNOOPING on VLAN ?Please explain use of below command---ip dhcp snooping vlan 88 ?no ip dhcp snooping information option ?no ip dhcp snooping verify mac-address ?ip dhcp snooping ?no ip domain-lookup ?ip name-server x.x.x.x ?ip na...

knaik99 by Level 1
  • 572 Views
  • 1 replies
  • 0 Helpful votes

Hi team,I have a inquiry on this 2 firmware versions, 1) Cisco IOS v12.2(58)SE2 2) Cisco IOS v15.0(2a)EX5if they are still under support or end of life. i was not able to get any information out online on the listed firmware version. Your help would ...

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