Switching

My understanding is that runts are fragments of packet collisions. Runts are anything under 64 bytes frame. If collision get detected after 512 bits, it is marked as late collision. Followings are my assumptions. Please corrects them if wrong :) Runt...

Hello Team,I am migrating an existing LAN from 3550 to 3750X-12S. In the existing configuation, I´ve got some trunkswith native VLAN <> 1. The native VLAN is also used for user data transport. With IOS 15.0(1)SE3 on3750X I recognized, that per defaul...

I was attempting to setup a new 3850 24T-L switch today.This is my first 3850 so I am trying to make sure the problem isn't me.Several attempts to use the "Express Setup Mode" feature have failed.When I put the switch in "Express Setup" the front pan...

hi all, i have anissue due to a possibile misconfig with load-balan in an lacp. my platform is asr9001 with ios-xr 5.3.3. this device is connected to a switch with two bundled lacp ports. the be interface + phy are configured this way: interface Bund...

Hello everyone! I have a very strange problem on my cisco 7604 with ws-x6724-sfp on board.The problem looks like some random traffic are discarding without any reason.For an example, in subnet 192.168.1.0/24 i can ping 192.168.1.1, but can't ping 192...

Hi all,It is mentioned that DAI check for correct IP/MAC combination using the DHCP binding database.It is also mentioned that DAI is turn on for an entire vlan and not as per port basis. q1) if PCA (macA,ipA) was originally connected to port1 ( bind...

We have ISE V2.1.0.474 Patch 3. I guess we’re having problem with replication. When we look at VM, it is shown that primary node is used 280+ GB and Secondary (new) is used 72+ GB? It's a big difference, the primary is taking much more space than sec...

Has anyone seen a power supply alarm like this before on a 4506 ?  >>Problem Description: SYSLOG:C4K_IOSMODPORTMAN-4-POWERSUPPLY - [switchename]- BAD: Power supply 2 has failed or been turned off 2nd question -  where is the log output interpreter on...

Hi all, I've tried to establish LACP neighbor between 3850 and 2960X, but I can't see the LACP relationship come up.  The LACP counter on 3850 is normal, there have send and receive LACPDU, but there have no receive packet on 2960X, even I tried to d...