Switching

Hi all,Id like to discus one issue related to DHCP spoofing. We have all over our network Cisco switches with one L3 switch moving DHCP requests from one network to other network where is our DHCP server. So we have configured ip helper-address on i...

Hi, Can anyone help me out for the belowproblem: Is there any script available for auto login and auto backup.since we have around 200+ cisco switches(L2,L3), routers,pix. since all devices are cofigured with ssh, i need a batch file kind of to...

I'm implementing 802.1x in company network by authentication user with company's AD.The problem is my user already shutdow the PC in every evening but their LAN card still active. This cause the switch to understand that the port is already active bu...

Hi all,How do I identify the range of all connected ports in 6509 IOS ver 12.1.Show interface description provide list of all ports with their status, I am interested in identifying only the range of ports which are connected or in 'up up' status.Ex:...

I wanted to see what access-lists we had. Does anyone know what these entries are? They don't seem to be applied to an interface.4506_Core#sh ip access-lExtended IP access list system-cpp-all-routers-on-subnet 10 permit ip any host 224.0.0.2Extend...

Hi,some doubt about the HSRP configuration for the sub-interface, wish netpro can enlighten me. thank you in advance.R1 : -----interface Vlan10 description yahoo ip address 192.20.137.253 255.255.255.0 secondary ip address 192.10.3.253 255.255.255.0 ...

Hi,anyone can tell me what is ymodem and zmodem use for ? thanks a lot.regards,skywalker

In my previouse post I was able to use a usb/serial with my Ibook using zterm and generic usb driver, today when I open the connection all I get is xxxxxxxxxxxxxxxxxxxx's can you help ,, Thanks xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx...

hi, i have 2 routers on a frame-relay network, i ran ospf on them with network type point-to-multipoint, now when i check the routing table on both routers i can see other serial interface ip with /32 mask which is directly connected to the other rou...

I am trying to source a 256mb compact flash card for a cisco 2811 router. Im not sure why the Cisco branded flash retails at around 400 pounds, expensive to say the least! Can anyone recommend a non Cisco branded card that is compatible with and chea...

hi everyone, i am running ospf with area 0 and area 1. There is an ASBR in area 0 which is injecting 2 routes 40.0.0.0/8 and 30.0.0.0/8. Now i want to advertise only 40.0.0.0/8 in AREA 1. how can i do that ? i tried area 0 filter-list out but it filt...

Hi all,It may silly question to you but I want know that can we say E1 connection is a Leased line or is there any differenceWhat is the max speed of E1.advance thanksnaidu

Hi friends,There was a power down in the data center and after it was up, the status LED on the 720 sup showed the following:1. On the first 6513 switch, Port 2 UTP link led showed amber for both active and standby supervisors.Nothing was connected t...

Can anyone explain me the below problem:We have four switches (2xC6506-Sup1a and 2xC4506-sup4) in square with rapid spanning tree. On link is blocked like expected. The unexpected is that the BPDU-guard now put this interfaces in err disabled state. ...