Other Network Architecture Subjects

Hello group,I have come across a problem with a Catalyst 4006 (IOS 12.2-18.EW) and a HP server using teaming. When I have one of the Gigabit cards on the server connected to a Gigabit port on the switch, everything works fine. As soon as I connect th...

Currently the WAN consists of 4 main(core) sites SANDTON, CPT, DURBAN and PE. Below is a drawing of the core of the network. The problem is that if the SANDTON-DURBAN or SANDTON-CPT links fail then the SANDTON-PE link is over utilized. During norm...

256M Supervisor256M MSFC2Some versions require more than 32M bootflash. Sup2's only support 32M bootflash so the 64M PCMCIA is the only option. Correct?ThanksTom

Hi,I am trying to enable Nbar on a Cat 4507 running IOS Version 12.2(20)EWA. Any idea why the commands are not recognised. thanks in advance.Gary

Can I use the class of service bits in a session to assign traffic to a specific VLAN? The platform is (going to be) Cat6500 with Sup720 IOS and FWSM.Thanks in advance!Andy

Can anyone tell me if upgrading a Sup 2 from 128Mb memory to 256Mb is a complete 256Mb module or is there a slot to add an additional 128Mb card ? In either case are the MEM-MSFC2-256MB= and MEM-MSFC2-128MB= the modules to use.Thanks, St...

We have dual 4500 core swithces A and B. A is the active switch for all the VLANs. B is the standby.At floor we have two 3550 stacks, A and B. These are stacked using Copper GBIC. Stack A is linkd with core A via fiber. Stack B goes to core B.two st...

HiI have bundled 2 serial lines using virtual interface. I want to establish QOS via this line. To which interface should I apply QOS policy?. Is it for serial0 or serial1 or virtual interface?Rgds

I have a 3550-24-PWR that's logging the following error multiple times every 30 seconds:Controller port error, Interface Fa0/2: Power Controller reports power Tstart error detectedThe interface shows down, down (notconnect). There is nothing plugged...

Hi all, I have a customer who is having a WS-C3750-24TS-S switch. He needs to enable udp and tcp broadcast with in a single vlan.Customers 15 machines with in a Vlan sends udp/tcp broadcast in evry 5 seconds for validatin. How can I do this. Can anyb...

hi everyoneA problem about authentication of OSPF have puzzled me for a long time ,it is that the AuthTpye 2 which use the MD5 algorithm is better than the simple password,but in the OSPF packets,the hash numbers don't change.If there are some OSPF r...

I'm running a segmented network on a Class C network (Cat5000 w/MSFC). There are 2 machines on this network that are running 'routed' configured as Class B. I have previous disabled their ports and network responses throughout the Class C immediately...

Hello,DFM 1.2 reports that several of our 6509 switches have insufficient NVRAM memory. After I telnet to one of the switches reported, and running sh ver command I see the followingNVRAM total: 512KNVRAM used: 446KNVRAM free: 66KThen, I copied confi...

I have a couple of different switches that the logs fill with:Mar 30 13:21:58 EST: %RTD-1-ADDR_FLAP: FastEthernet0/23 relearning 6 addrs per minMar 30 13:47:38 EST: %RTD-1-ADDR_FLAP: FastEthernet0/2 relearning 5 addrs per minMar 30 14:29:08 EST: %RTD...

I have a 2600 that had been running well for the last year but now twice in the last month its has lost the IOS and re-booted to ROMMON. Startup Config was not lost. Any ideas on why this is happening.