Buy or Renew
Buy or Renew

Switching

Discuss Catalyst brand switches with peers and experts.
cancel
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for 
Search instead for 
Did you mean: 
cancel
Start a conversation

 
Labels

Forum Posts

Start a conversation

Resolved! default setting of dtp on switches

Hi everybody.Let say we have two brand switches ,sw1 and sw2  and we connect them as :  s1-----------s2will trunk form between them?In other words  is dtp enabled on switch port by default or do we need to configure it as " switchport mode  dynamic d...

sarahr202 by • Contributor
  • 1700 Views
  • 3 replies
  • 0 Helpful votes

Resolved! end-to-end vlan and intervlan connectivity

Hi everybody.Please consider the following scenario:h1------vlan2--AccessSW1-trunk--DistriSW2-----trunk---CoreSw3--------trunk----DistSw4----trunk-----AccessSw5---vlan2----h2In the above set-up, we have end-to-end vlan2.  Let say we have vlan3(not sh...

sarahr202 by • Contributor
  • 428 Views
  • 1 replies
  • 0 Helpful votes

IPv6 Issue

All,I have IPv6 enabled on two SVI's that are on 6509's. They are in an HSRP group. I have implemented this configuration for our customers before, but this time, one of the actual v6 addresses are unpingable, and that same is not showing that it has...

Telephony Service

Hello Experts,We had 2 buildings I want to provide free telephony service. How could I achieve that. Each building has ther own core switches and there is point to point wireless connectivity between the buildings where the Building 2 traffice is rou...

Which QOS Guide Should I follow?

Hi,I'm about to start planning a qos implementation on our network. I've been reading the different guides but I'm not sure which design guide I should follow. I would think the Medianet is the one I should follow as this is the latest? Enterprise Me...

spanning-tree explaination

could some one please explain to me the following spaning-tree events? My understanding is that the switch did not receive the hello bpdu from the root bridge, therefore stp re-converge?[1] Feb  6 04:37:26: RSTP(1): Gi1/0/51 rcvd info expired[2] Feb ...

zappo0305 by • Beginner
  • 1777 Views
  • 3 replies
  • 0 Helpful votes

Resolved! input counter of port and half duplex mode

Hi everybody.When an half-duplex mode sends a frame, it loops it to its receiver to detect any collision.  My question is :Will it cause half-duplex host to increase its input counter of its port ?thanks and have a great day

sarahr202 by • Contributor
  • 343 Views
  • 2 replies
  • 0 Helpful votes

Resolved! auto negotiataion on utp cable

Hi everybody. Let say we have a switch1 with a port 10/100/1000-T. Let say we have another switch2  with a port 1000-T.Will switch2's port 1000-T be capable of running auto-negotiation protocol considering that it supports only one speed ?Does  any b...

sarahr202 by • Contributor
  • 861 Views
  • 7 replies
  • 0 Helpful votes

Questions about 3750G stack

Hello,I have 3750G switch.I want to extend this switch to 3 3750G stack.1. Do I have to reset the main switch that works?2. I want that the switch that work will be the master.I just need to execute the command ("switch priority 15" for master and 0 ...

oded-levi by • Beginner
  • 569 Views
  • 3 replies
  • 0 Helpful votes

NTP not synchronizing in switches

Hi Experts,Recently we have configured NTP in our network environment. The current NTP setup is like following mannerCore1 switch(manually configured time) - ntp masterCore 2 swtch(manually configured time) - ntp masterIn all Distribution and Access ...

Sihanu N by • Beginner
  • 933 Views
  • 3 replies
  • 0 Helpful votes

Resolved! C2960 IOS 12 or 15? (layer 3)

Hi We have just had a cisco 2960 delivered wich is being used for its basic layer 3 functionality. I was wondering would I still beable to use this if I upgrade to version 15? I was also wondering what this version 15 is all about and if there are an...

Netflow Command is not available

Netflow is not available ..please help12.2(54)SG1new#show moduleChassis Type : WS-C4507R-EPower consumed by backplane : 40 WattsMod Ports Card Type                              Model              Serial No.---+-----+----------------------------------...

Creating logical separations

Imagine I have a rack of servers, some are on a DMZ and some are in the internal network. They all reside in the same rack. I am being asked to provide logical separation between the servers in the DMZ and the ones in the internal network WITHOUT usi...

visitor68 by • Enthusiast
  • 693 Views
  • 7 replies
  • 0 Helpful votes
Getting Started

Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community: