Routing

can somebody expalin me why 255 taken as mask instead of 128 in the first example.and why 192 has been taken as mask in 2nd example. i got this confusion while doing subnetting of class B network. please help me.1).Practice Example #6B: 255.255.255.1...

I am having a bit of trouble with the following scenario; I have two 2901 ISRs and a 2924XL setup in the following fashion.2924XL--->P2P-Fiber--->2901ISR--->P2P-Fiber--->2901ISRI  need to be able to reach the LAN 192.168.1.0 from 192.168.3.0 for TS  ...

I have a brand new C1921 with EHWIC-4G-LTE-G using Vodafone to build an internet connection.First I did the setup like shown in the config guides and got the internet connection, but it was unstable. Then I found some issues with the old LTE-card fir...

Dear All,We've have a client who had a ordered 2 units of 2901 router to have site to site connectivity. User has bought a leased line of 256kbps from service provider in between two sites, but the issue is the service provider has layed a rj11 cable...

Hi,I have had a replacement router sent out to me due to a fault with the AP.It had a really old firmware on the AP, which I have updated. Using CCP, I have a wireless network running which is more than I had with the old router.The issue I have is t...

hi,I'm running a cisco 891 with ios Version 15.2(4)M3              now I have a dialer 0 interface with fast0 and 1 as well, all is working fine.now I just read about the new sh int 'INT' history feature but when I do it I get nothing.. not a graph o...

Hi guys,I'm a newbie here. Here's my topology (just a lab)   PC ------ Router1 ---------- Router2 -------- loopback intConfigs below:Router 1      !     crypto isakmp policy 1 encr aes authentication pre-share group 2crypto isakmp key cisco address ...

Hi team,Please let me know the diffrence between MTU and Ip MTU/interface MTU.How to tweek. what is the diffrence between these two.Thanks in advance,Naveen

I have a 3750G switch running 12.2(44)SE6 my customer has some Cisco EX90 and ex-Tandberg VC units connected to the switch in a dedicated VLAN 600. The switch is then connected to the WAN router which has its own VLAN 6From sh mls qos interface x/x/x...

I am almost done with ny new internet setup and need help with the last bit. (see attached)Everything works so far. I can reach the internet with this curent configuration, but I need to add another device with a public IP (55.55.x.x) and want to use...

I recently bought a Cisco 2511 router to act as my access server for my home lab and it will not boot.  After initially setting up my lab, everything worked fine.  I configured the access server, saved the config, restarted it and now it is getting s...

Hi,I know that it is possible to transport a layer 2 VLAN across a layer 3 connection but, every example I find, the CE routers on either side of the WAN share the same VLAN on there connecting interface. I want the VLAN to traverse the WAN but, at t...

All,I have a Cisco ASA 5510.  I am trying to copy large files between DMZ and INSIDE network and it is copying at awfully a slow speed.  I thought it might have been related to duplex mismatch but it doesn't seem to be. DMZ interface is set at 100 fu...

Dear all,i would like to know how to set the following on cisco ws-c2960-24 ttl:1. SSH CLI2.PORT SECURITY REMOVAL: Limits MAC@per port with no shutdown3.Set port to protect4.Set RSTP5. Finally how do i set up TFTP Server from windows server 2008Thank...