Switching

Have an issue, where Ospf will not come up between a 2921 running 15.2(4)M4 and a 3750G running 12.2(35)SE5.Ospf is running between physical interfaces.Ospf running between the 2921 and a 6513 with no issue.Ospf running between the 3750 and other swi...

I need a little help with multicast and older switches.   Here is some background and what I understand so far.  Basically I have a mutlple VLAN LAN with a Cisco 4006 running IOS as my core switch.   On my Lan I have multiple switches of various mode...

Hi community,we migrated a customer from his old 65xx core switches to new 4500X in VSS.As exchange for the copper linecards in the chassis he got two stacks of the new 3750X, with three switches each.The other access switches are still untouched, de...

Hello all,Can any one explain me what is the role of distribution switch in netwok environment? How the network should be designed proper having it.My confusion is, having distribution switch in network, should we configure layer3 interfaces on distr...

Hallo Community,we upgarded a stack of two 3750X-48T-S from 122-53.SE2 to 15.0(2)SE5. Now we got every minute this error:Dec 16 10:39:21: %PLATFORM_STACKPOWER-4-UNDER_BUDGET: Switch 2 does not have sufficient power budgetWe restartet the  stack, we u...

I am told that there are network latency issues. What could be the possible causes? What are all the paramaeteres that I should be checking?

Hello all,We are in stage of deploying our network in three layers Core Distro AccessWe have 2x6500 (VSS) on core, 3750 (with 10G interfaces) on distribution & 2960 (with 1G interfaces) on access.I am confusing about the role of Distribution switch i...

Will a switch lose the mac adress on the port even though it is configured as static if the device is down?Please see logs below:(MAC address changed to protect confidentiality)SW1#sh mac address-table int fa1/0/12         Mac Address Table----------...

Hi, I have got two internet link from different ISP. One ISP have got the bandwidth of 1 mbps and another of 10 mbps. I want to run ospf for the first ISP as they have provided two different networks and for the second ISP I want the static route.I...

HiI run on C6500 (SUP720) IOS 12.2(33)SXI5 and sometimes I got sporadic problems on production systems that I find really difficult troubleshoot.The only thing I found strange is the following amount of STP active ports:#sh spanning-tree summary tota...

Today I got this messages i my nexus log:2013 Dec 16 05:51:24 sw39 %SYSMGR-FEX105-5-HEARTBEAT_LOSS: Service "ethpc" heartbeat loss 2 ,max 6 . 2013 Dec 16 05:51:29 sw39 %SYSMGR-FEX105-5-HEARTBEAT_LOSS: Service "ethpc" heartbeat loss 3 ,max 6 . 2013 ...