Switching

Hi all, I have a very basic setup. I have a 2621 with 2 FE ports. On one of the ports, I gave it an IP address of 10.x.x.199/16 (10.2.255.255 is our lab network). Then I gave it another IP address of 192.169.209.2/24. This is an interface on the de...

hi,what is the difference between a access control list and a firewall?

I am unable to get my back to back serial line to stay up. I configure 2 2501 routers as such:Router1e0 - 10.0.1.254 /24s0 - 10.0.2.254 /24s1 - 10.0.3.254 /24Router2e0 - 10.0.4.254 /24s0 - 10.0.5.254 /24s1 - 10.0.6.254 /24Router 1 has the DCE end of...

Hi, Over last few weeks we are having intermittent difficulties in connecting to unix/microsoft servers, where our e mails and Microsoft documents are stored. We will get notices on pcs, that we are no longer connected to server, and after a few minu...

in the cat-2950 config there's the following statements:no spanning-tree optimize bpdu transmissionspanning-tree extend system-idCan anybody please point me to a doc where I can read up on these commands?thanks.

Hello,I have a question about the following:Subnet 1: 10.0.0.0/16Subnet 2: 10.1.0.0/16Subnet 3. 10.7.0.0/16Subnet 4: 10.8.0.0/16Are the above valid/unique subnets based on what I've given?The problem.Host in subnet 1 cannot ping a host in subnet 2 or...

I know I am talking old technology here so bear with me. I am needing to replace two switches soon. The first switch minimum requirements are 12 ports 10/100 TX (only) and one 10/100/1000 TX. The second switch minimum requirements are 12 ports 10/100...

HiI have 1751 router with fastethernet assigned an ip of 172.20.7.88/22. Other pcs are on same subnet. I could not ping any of the host or my gateway 172.20.4.1/22. My fastethernet is up and lineprotocol is up. When I check the arp cache i see a inco...

We have cisco 2950 catalyst switch .we hv 1 MBps internet connection through modem comming into catalyst switch 2950.but after some time running ok port light gets orange & we loose connectivity.but it runs on 128 kpbs ok. switch is not configure.wha...

Hi All, I would like some light into the weird behaviour of IP INSPECT. Here is my setup: I have 3 sites, each having its own Router Site A cisco 1721 Site B cisco 3745 Cite C cisco 1721 B is the main Router and A and C are connected to it with FR-AT...

Hi all,Right now i have 6 2950 switches all in same subnet and connecting different deprtments.we have 2 routers and Pix 506e.Now I m told to create Vlans in a way where we can use some departments using one first ISP-Line and rest on 2nd ISP line.I ...

A company just bought a Cisco 2811 router which I am installing for them. Each time I boot up this router I get the following error message: Read only ROMMON initializedboot:cannot open "flash"boot:cannot determine the first executable file name on d...

We have two 1721 routers both connected to 4mb DSL lines. When ever someone accesses content that uses the RTSP protocal the ethernet interface goes down and can't be pinged from inside. The DSL interface can continue to be pinged from the outside. T...

Hi,I need to understand the following commands of Standard Access-list.ip access-list standard INFINET permit 203.90.101.224 0.0.0.31 permit 203.90.101.192 0.0.0.31What is permit 203.90.101.224 0.0.0.31Please help.Thanks,

We’ve merged two locations into one. We’d like to add new subnet 192.168.201.0To existing network 192.168.7.0Our current devices: 1751 router will be replaced with 2621xm with 2 WICs (2 full T1 lines).We want to dedicate a full T1 line for 2 servers ...