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I have been having issues with a 3750X Stack that is not synchronizing with our NTP server. I have tried adding and removing the NTP server but it does not help. We are running Version 15.2(1)E. Any suggestions would be great! Thanks!

I have c6513 with two supervisor engine  ws-sup720 the modules cannot make auto-boot and enter rommon mode but it has to be booted manually and when one boots and become active the other one cannot be standby and return back to rommon mode

mo ab by Level 1
  • 727 Views
  • 6 replies
  • 0 Helpful votes

We are using M224XP-23L modules in our production data center network and we recently bought F312FQ-25 modules to support 40G connections. The queue structure for the M2 ports are:rx-(8q2t),tx-(1p7q4t) The queue structure for the F3 ports are:rx-(2q...

Resolved! Switch with ASA

We are trying to set up some topology interconnected with ASA, in the specificSwitch 3750(here are localized the client) -            6500 (VRF CERT without RD)-    FW ASA 5520 TRANSPARENT mode-                6500 VRF CERT-SEC with Route distinguish...

solid_978 by Level 1
  • 4008 Views
  • 4 replies
  • 0 Helpful votes

Resolved! Catalyst 3750-E

Hello friends, I need some help. I have Sw 3750-E on the network and a Dell N3024F when I connect some equipment to the switch, Dell Sw tries to take root as root being Cisco.In that attempt I have a drop in the network. One thing I came across that ...

I have 2 Headend routers at a DataCenter. I have 4 different ISP being installed. I want to make sure everything is redundant. !. Best practices would be to have IBGP between the two routers and to advitise networks out of both router. so basically ...

johnhesd6 by Level 1
  • 1889 Views
  • 11 replies
  • 0 Helpful votes

Hi, My 3850 (12 port switch with expansion module)has a single 350WAC power supply. For stacking multiple switches is one 350WAC power supply good enough? I thought you needed the 1100WAC PS to stack correctly. Is there a document that describes the ...

Hi I am in dire need of some help please :-) We have been testing VMware SRM with our Internal Production Clusters to our Disaster Recovery site. 4/5 Clusters recover without incident. During test recovery of the The 5th Cluster the Production machin...

by Not applicable
  • 787 Views
  • 0 replies
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Hi Guys, Before I configure both my chassis to VSS, i need assistance to understand better. I have 1 ISP downstream to both chassis. Once VSS are configured, is there any way to do load balancing to the ISP? Thanks.

Zeeeee by Level 1
  • 1423 Views
  • 6 replies
  • 0 Helpful votes

I am planing to upgrade two nexus 7009 (SUP 1)  switches in our data center. There is a VPC domain within 7Ks and 5Ks, VPC peer link between two 7Ks. Current firmware version of 7K is 6.0(1) and  5K  6.0(2)N1(1). I am hoping to upgrade just one 7K s...

PNW Weer by Level 1
  • 525 Views
  • 2 replies
  • 0 Helpful votes

Hello, We have 2 devices connected in stp mst mode. On regular time - 1 link is in block status (Backup link) - Te4/2 Sometimes we have problem with the primary link (Te3/1) and the STP protocol change status from forwarding to blocking (flapping) ...

alon to by Level 1
  • 2899 Views
  • 3 replies
  • 0 Helpful votes