Switching

Hi,My router generate an ospf invalid packet, ( Router A and B are generating these log ).%OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from x.x.x.x  (router C IP address) vlan xxshow...

Hi, I am recently CCENT qualified without a great deal of hands on experience, however I have now started working in a data centre environment.Unbelievably, there are no qualified Cisco techs at the company.A customer has just ordered from us 10 x 87...

Hi AllI am newbie to Nexus and UCS, can anyone please guide me towards right direction.thanksOriel x

I have two 3750's attached together by two single mode fiber links bundled into a etherchannel and I am trying to use QOS to limit the HTTP and HTTPS traffic from 3750B to 3750A to approx 1mb/s. This is what I got so far and I can not get this to wor...

Hi, I have some questions about port forwarding on Cisco router and *nix ip tables dnatAm I right in my guess?When I have a Router with LAN interface 10.1.1.1/32 ip address and WAN Dialer interface with 5.5.5.5/32 ip address and I make port fowarding...

HiEnd user has an stack of 5 switches (3750) where a DHCP server is defined for IP phones (and others DHCP server). There are period of times where many messages about ip cconflict are shown and the phone lost connectivity with CM, so we need to appl...

I have connected this particular 4510R switch to other access swtiches in ring topology.To complete this ring, i have connected one 10G of SUP-1 in slot 1 i.e 1/1 and another link on 2/1 on SUP-2 to complet Ring topology.But whenever i check show int...

Hello,I have an environment with multiple routers and switches.After I issue a "reload" while doing maintenance, two of the 3560's (WS-C3560-24PS) didn't come back online.At the console, they're displaying unreadable characters. Has anyone seen this ...

I've recently purchased several SFE2010 small business switches for a group of labs.  After configuring them all everything seemed fine until hurricane Irene blew through the state and I proactively brought the labs offline until after the storm.  On...

How many HWIC card can be support in 1941 router,whether HWIC-1T OR HWIC2T. is HWIC-1T card able to deliver throughput >2mbps and HWIC-2T throughput>4mbps

Hello fellas,I have the following situation: I have a router, which is routing two networks 192.168.1.1 (LAN) and 213.222.x.x (WAN, ISP). I want to limit a certain pool of users to be able to use only 5mbit/s download/upload speed.Can you please give...