Switching

Hi, I have two switches connected by SFP and the link will not come up either on its own or ultimately part of a pot channel. It is saying one side of the link is connected and the other side is disconnected :(  this used to be part of a portchannel ...

Hi   Does anyone know how I strip VLAN tags from a trunk connection using a Cisco Switch? From our ISP we get our different sites delivered on individual VLANs on a trunk. But I want all sites on the same L2 network/subnet.   Any idea on how to achie...

Guys,   Can someone recommend me the Switch model which i can use at access layer to support 10G connectivity for my Server.    

Hello,  I have found a gateway of last resort on my router which is used for the voice vlan. The ip address of the gateway of last resort points to a switch.  I noticed this issue while attempting to update to new 3650 switches.   If I attempt to rem...

Hello,   I need some assistance with simple multicasting configuration on a C6513. We have two appliances that need to communicate using multicasting. These two appliances are uplinked to the same distribution switch (C6513). Both appliances have IP ...

On the two Nexus 3172T's used for iSCSI traffic, we see dropped unicast packets in the "Control QOS Group" statistics on every interface. In the "QOS Group" statistics, we see dropped multicast packets.   Is there any documentation that might identif...

I have cisco 9500 switch. I have 2 interface for communicate with outside. I have 5 VLANs (VLAN10, VLAN20, VLAN30, VLAN40 and VLAN50) VLAN10 ip address : 10.10.10.1/24 VLAN20 ip address : 20.20.20.1/24 VLAN30 ip address : 30.30.30.1/24 VLAN40 ip addr...

I have a 3 switch stack at a remote office consisting of a 48 port 3750X, 24 port 3750X PoE, and a 48 port 3750v2.  Currently this stack is functioning normally and is running 12.2(55)SE3 (universal on the X's, ipservices on the 3750v2).  I want to u...

Hi Everyone,   As the title said, is there anyone has experience using SPF with "-SM" instead of "-SMD" on the Nexus 9300 series?  I know that in the compatibility matrix states those switches only support the "-SMD" or "MMD"SFPs. But after I did som...

Hi all,   We are using WS-C3650-24PS-E to both supply and connect our external devices. According to the datasheet, it is provided that such device can support up to 30W for each po+ port. What is the maximum  amount of power which can be provided wi...

Okay, up front, I know almost nothing about switches and routers.  We had an issue with our network a little while ago that ended being caused by a spanning tree setting (fixed by making the main Cisco switches to be the preferred spanning tree root ...

Nexus 9318 - Is there a command to see the Serial Number of an internal 64G Drive?

CISCO ASA 5505 IPSEC CONFIG Dear Team,   I am configuring IPSEC on my cisco ASA 5505 & below is template. After configuration i am unable to see output of command sh crypto isakmp sa. When i notice the whole configuration when i configure b...