Switching

I have attached a diagram to get a better visual understanding of this.We have 2 core switches on the LAN and a router facing a private network (wan).  We currently a physical connection from Core2 to the router, it is trunked as it carries a demarc ...

Hello:Ten years ago when I first deployed my network I only needed one subnet.   I settled on a 192 subnet at that time with ".1" being my firewall to the Internet.  As time went on all my servers came online on that subnet.   I have added additional...

Hi all,This weekend our data center switch had a meltdown.  I consoled into the switch and noticed CPU utilization was at 100%.  I did "show proc cpu sort" and arp input was at 14%.  I could not isolate what other process hogged the CPU so I rebooted...

HiI would like to know the default boot var on supervisor 32.for example)boot system flash sup-bootdisk: <- this is RSP 720 bootvar.Thank you.

I want to add a new layer 3 switch to my network. It is going to be connected to an existing access/edge switch via a layer 3 link (Not a trunk). How do I get all the vlan's (11, 12 & 13) across to the new switch?Existing Access Switch Config========...

Hi, We had for a long time four stacks of 3550 and 3560 connected by Optic Fiber to a Layer 3 swtich 6500.Today we have chaged those stack by 3750 switches and the problem go on. This is the problem: Management IP of Vlan1 stop responding by a short ...

In a hub and spoke context, I need 4-5 independent IPSec VPN's on the main router.Can we use Etherswitch ports (cf NME-16-ES-1G-P) on a 2821 or 2851 as VPN ports and route specific traffic through them? Or should I use Ethernet WIC's for that?Thanks.

Cisco C3560 Switch using an SFP to connect via fibre to a Linksys SRW2048Hi,I have an issue that I am trying to resolve.  I am trying to connect a Cisco C3560 Switch using an SFP to connect via fibre to a Linksys SRW2048 with another SFP. Both are g...

Hi all,i have layer 3 switch connected to layer 2 switch .Layer 3 ports gi 01 and gi02  have gbics and fibrehere is config of ports of layer 23548XL#sh run int gi0/1Building configuration...Current configuration:!interface GigabitEthernet0/1switchpor...

Hi there,Here's what i'm trying to achive :I want to use my cisco router in order to forward queries that belong to mydomain.com to my dns server and everything else to the ISP's dns server. Has anyone ever configured something similar?Thanx in advan...

I'm attempting to set up WCCPv2 on a Nexus 7K switch to intercept web traffic and route it to our proxy, ip 10.10.120.12. We are using L2 redirection and mask assignment. We are getting a "Service Group Mismatch"  on our proxy. The description of the...