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Cisco 837, CRWS not working, tried everything.

HelloI have a problem with Cisco 837. First of all, I didn't set it up. It was setup ready by the fellows from the phonecompany. Everything is running fine, internet and other connections work how they are supposed to but I can't access any settings ...

ilari10 by Beginner
  • 8 replies
  • 0 Helpful votes

ip phone reboot

Hi,have a 3560 switch and the ip phone reboots sometimes... how can i find out the cause? the phone draws power inline and about 26 phones...Thanks

PIX does not answer arp request

I've added a server (Proliant 3000, WIndows 2000 SP4) in the DMZ, but the PIX doesn't answer his ARP request. The access-list are OK. If i enter statics entries in the ARP tables (PIX and Server), they can communicate normally, but without these line...

pnparadis by Beginner
  • 7 replies
  • 0 Helpful votes

Can this HSRP work?

Hi,Can this scenario work? Assuming I have a flat network, a computer with 2 NICs and are connected to 2 different routers. I configure the routers to run HSRP between them. But the routers do not have any layer 2 or layer 3 interconnects between ...

newbie with one small question

im brand new to cisco, and ive just purchased a catalyst 1900 to start learning on. im trying to get some switching started, and i cant seem to get things working.what i did was create an ip address for the switch, which is the same ip address for in...


We have one GigEth and we configure many vlan initerfaces using this. when we allow a new vlan, other vlans allowed get disconnected for some seconds....To counter this problem, we put a comma at the end of the following command line and then add new...

Resolved! I simply need to change Ip address but I can't

I bought a Pix 501, in the configuration, I want to change the default inside interface ip address from to, but each time I get an error, "Interface address is not on same subnet as DHCP pool"So I decide to change the DHCP pool a...

openheart by Beginner
  • 4 replies
  • 0 Helpful votes

Dynamic vs Static

Am I right in thinking that a dynamic internet connection, with its frequently changing IP Address, is more secure than a static one? Is there any difference at all, in terms of security?

Froix1234 by Beginner
  • 1 replies
  • 0 Helpful votes

boot system/reload commands

The flash on my switch houses 2 ios images. The new image is in my new created directory(drwx)and the current image is in the root of flash(-rwx)I want to use the "boot system & reload" command but must my new IOS image be located in the root of the ...

woods8 by Beginner
  • 2 replies
  • 0 Helpful votes

STP - 50 seconds?

I'm working on labs for my CCNA and I'm curious about the stp update time. All the books that I'm reading tell me that STP will be in blocking mode for 20 seconds, listening for 15, and learning for 15, for a total of 50 seconds before ports were for...