Switching

I have a flat network and every thing is in vlan 1, the network is subnet already, no trunking to core switch. The company will replace there core switch with 5 3750E stack switches. I was wondering do the other switches in the stack need to be con...

Hi,I've a new lmds 4mbps simetric connection.I have a vpn with 2 cisco 1721First (full of memory, vpn module and 3des encryption)This router is connected directly to the lmds device with a 4port wicSecond (full of memory, without vpn module 3des encr...

I changed the numner on a 3750 switch from 5 to 1 and made a reload. After this if i do a "sh ?nt status" it looks OK, but if I do a "sh run" I can see both the old numbering an the new one. 2 sets of ports. Is there anyone who has experienced this p...

HI,I have a 1721 with two wics.. 1wic 4 lan port and the other one is a 1wic adsl.Both stablish vpn to the same public ip.Now, default static route is behind the first connection, but if it crashes?how can I configure the router to route the packect...

Hello,I'm trying to deploy a solution where i have to connect 2x6500 core switch's in a redundant connection to other 2x6500 switch, in a full mesh configuration.I'm thinking in using layer 3 interfaces (ip add in gigabit interfaces) to connect the 4...

I have set the 3725 router switch card like this:switchport trunk ecapsulation dot1q (doesn't show on config)switchport trunk native vlan 111switchport trunk allowed vlan 111,222switchport mode trunk2940 sideswitchport trunk native vlan 111switchport...

Are there any windows tools to stress test the ethernet network or T1 line?Thx

dearcan i create vlan on any l2 or router.can i use router as a l3.

Hi,I have a scenario where I am deploying ports on 3550 and 3560 switches to customers with a 10Mb upload limit enforced through policing. However when downloading from the server on a machine with a 100Mb connection there is a TCP sawtooth effect a...

Hi,We have a hardware supplier that need to connect a cisco switch to our backbone network. We also can't manage this switch, the problem now is that the switch can send CDP info, VTP updates, Spanning Tree etc ... to our switch port.Is there a way w...

Hi all,I am tasked to design the network infrastructure for new office. There are up to 180 network points. There are One production segment, one UAT segment and one guest segment. These segment steamlined the purposes. for example, guest segment is ...

Currently we are trying to setup multicast on a LAN. An application being used allows for building multiple desktops from a server using multicasting. However multicasting isnt setup in the router or switches. so far i have enable multicasting on the...

In the Cisco Data Center Infrastructure 2.1 SRND (link below), this has been stated on page 2-3:The data center core is interconnected with both the campus core and aggregation layer in a redundantfashion with Layer 3 10 GigE links. This provides for...

HiWe are implementing OSPF authentication in our network, and by the moment we are doing fine in the areas surrounding area 0. These are small areas (5 to 9 routers in each of them), and all joined together with E1s (serial interfaces). Touching the ...