Other Network Architecture Subjects

I applied extended accees-list for the incoming traffic on 2511-RJ router running12.2(13B) OS. I have autotelnet command configured on the Async line of the router that originates outgoing traffic and as soon as I apply ACL the the interface, my outg...

Hi All,Just wondered if anyone had measured throuput on a WS-X4148-RJ module in this switch. We ran a test on an idle network and were only achieving between 62 & 72 Mbps. The old switch we used here a 2980G was averaging 88Mbps.

Is there a way to be notified when you have a new MAC address in the arp cache? I have a remote router, usually a 1720 or a small 2600 router with no managed switches. If I had a managed switch, I would look for a link up trap. I need to know when a ...

I have a network consisting of a number of the cisco switches (all the switches are the same). I'm using all static IP addresses. There are no routers just C2950G switches. The network works fine. All the switches are able to communicate/(ping) with ...

get Overview:-1. Routers A, A1 and D are on a class B network 2. Router A in separate building to backup router A1 , both running HSRP 3. Router B and C are on a separate class B network4. Protocol used running across all sites is EIGRP 5. 10MG conne...

I got two general conceptual question which are not specific to cisco.But i need to find out about these. Thanks in Advance. hope that it is not disliked to put general questionWhat will be the effect if the packet size is changed or packets of diffe...

Does anyone know of a part number to upgrade the flash for the 6509 msfc1. It only comes with 16mb of flash. This is my major problem with cisco. Why do they short change their customers on flash and now not even make an upgrade easy to find when the...

All, can anyone help me on configuring a 3640 with a NM-8A/S module to act as a console connection to the console port on my switches? Basically what I am trying to do is connect via SSH to the 3640, then connect to my other Cisco devices via their ...

Hi Please help.I have the following hardware / software2 x 3725 running 123.12 ipplus2 x NM-1T3/E3 network module.The router sees the card - during boot up and via a "show ver"But doing a "show run" does not provide any serial interface or a controll...

When we power cycle our 6500s, some of the 3550s do not re-attach. They are using fiber 1Gb uplinks that are 802.1Q trunks. There are no link lights on either side. When we power cycle the 3550s they link up again. Could this be an ethernet auton...

I have a LAN with 3 vlans on a catalyst 6509 routed by MSFC. On vlan 1 I have a DHCP server and on other 2 vlans (192, 194) clients. I configured "ip helper-address" command with dhcp's IP address. If I put a client on vlan 194 I get right IP address...

Is it possible to run UDLD on a CX Gigastack port ?