Routing

How do I find out how many networks I can have in a particlular vlsm's , i.e255.255.248.0, how do i work out how many networks I can have in this, also how come they addresses always go up on even numbers ?

Is 802.1x supported on a 1800 router with integrated switch module?

Here's my situation we're a WISP and the PIX515 is our gateway to the internet for our clients. All of our clients are on the DMZ of the pix 172.16.0.1 /16. They receive static private IP's along that range. When someone needs a public IP I do a 1 to...

I have a 2811 running IOS 12.4(5). About every other night between 9pm and 11pm it reboots. Is there any known rebooting issue with a 2811 or that revision of IOS?

Can you multilink different speed circuit without maxing out the slowest speed circuit?Would it be better to use a routing protocol for load balancing, like EIGRP for this?ThanksEdward

Is there a way to verify distributed Multilink Frame Relay is running on a 7500? PPP multlink has a "show ppp multilink" command to disply this info.

Hi everyone,I have serious internet bandwidth problems. I have a T1 to the internet. I also have a VPN through that T1 a couple of websites and mail. I want to add a cheap internet connection comcast offers 6mb for around 100 per month. I was won...

The following problem happened in my network:I have two 12406 with IOS Version 12.0(27)S5 (RTR1&RTR2) that make the Internet access from my company through my Service Provider where I have BGP neighbour and I received the Internet full routing table....

Hi all first post here. In my effort to learn Cisco I have purchased 6 2501 routers off ebay. My goal is to set up a number of different networks saving the configs on my pc. My question is...is there a way to upload configs throught my console ca...

Hi all!As a Microsoft system architect I am relatively new in the field of programming CISCO IOS so please be patient if I am doing something on a wrong way.We have a new CISCO 1812 integrated services router on wich I would like to turn on OER routi...

Hi,yust a "simple" question... i'm using first time the switch above with IOS C3750-IPSERVICES-M, Version 12.2(25)SEB4.Is there a known reason, why the number for Loopback interfaces is 'limited' to 64?regardsFrankIs there a reason

HiI would like to know if there is a way to mirror the IP traffic of the ATM port of a 3640 router to a fast ethernet port of this router.thanksHM

Hi,Can someone present some tips in designing a Hub and Spoke design network for OSPF (Running over IPSec using DMVPNs).The network consists of two Major sites having DMVPN Hubs (Hub1 and Hub2)located in different continents.Each remote\spoke site ha...

Hi,I'm having problems locating the correct image I need to be able to use my wic-1adsl in my 3620 router. This is the setup I have : Cisco 3620 router64 MB ram & 24 MB flashnm-1v with vic-2fxonm-2fe2w with wic-1adslThe wic-1adsl is not being recogni...

Hi,I have a VIP(hardware version:2.0.1) that influence my 7513's normal work. I find out there is a bug about the VIP with version 2.0.1 so that I want to upgrade the VIP's hardware version to solve my problem. But I cannot find out the exact way to ...