Other Network Architecture Subjects

Here's the scenario:A 1751 router with a serial interface to the Internet and a single physical Ethernet interface with 15 subinterfaces attached to a switch trunk. The subinterfaces map to 15 separate VLANs on the switch, with 15 separate network s...

Hi all,I am thinking about why a summary route is needed. The summary route will let some destination to null0, but also the routing protocol advertise the more specific route, although BGP can use "summary-only" parameter to just let the summary rou...

When i configure a GRE Tunnel the "int tu0" shows MTU 1514. By Default the IP MTU of this Tunnel is 24 Byte less than the physical interface IP MTU (whitch means the "next hop" Serial i.e.(?), so the GRE interface MTU is 1476. When i want to set the ...

I can activate the span on the new IOS version with the new command. But I receive nothing on my monitor port and so on my sniffer.I found this problem even with the last IOS version of december.Do you know this problem ?

I have a 5505 with RSM & TR Modules which I want to connect to a 6509 Switch. Can anyone provide initial steps in configuring the 5505 to talk to the 6509 when the uplinks become active. TRSw will be on the 5505 with Switched Ethernet on the 6509. FY...

Are there any modules for the 2621 router that I could insert into the chassis to give me more fastethernet ports than just the two built in ports? If so, how many fastethernet ports can I put into a single chassis?Thanks

Sir, I would like to know about the DB60 [DTE] / DB60 [DCE] connector pin point specifications. The connector I am having does not contain the pins 16 and 52, whether it will create any problems. please send me the details as early as possible.Thank...

7507 router (RSP2 * 2 )Slot 4 : 4/0 : PA-FE-TX Part number: 73-1688-04 I want to know whether this Error can be recovered by software upgrade or I must send to CISCO !!!!!!IOS SOFTWARE : rsp-isv-mz.122-8.T5.binbootflash : ...

We are offering Internet on VSATs, the VSAT backbone supports TCP spoofing. All the traffic from the remote VSATs land on F1/0 interface of 7206 router 12.2(7)c IOS, F1/1 has a connection to ISP backbone.We are noticing that most of the traffic is co...

I can not boot to a netware 5.1 server using a 3com dos boot disk through a 3500xl switch; however, I can boot through a 4000 catalyst with no problems. The 3500xl switch is connected to a 4000 catalyst switch. Why??? Thanks for any help!!!

I am looking for a way to add comments in the configuration file of 3500XL switches.