Other Network Architecture Subjects

this is from cisco site:"Spurious interrupts might be caused by defective hardware, but this is very rare. Instead, they are very often caused by software, usually on new platforms when you have forgotten to program a specific type of interrupt. Most...

i have 2 wan connectivity...1 serial and an isdn..i have a lot of services beeing use on d serial..once the serial goes down, my isdn should activate, but my purpose is just for internet connectivity.on the serial part, i have an nat overload at the ...

on 6509 i am getting this message " SYS-5-REDUNDANTCLOCK_FAIL: Redundant clock failed" everytime,please explain and sugest for it.

[this has got to be a FAQ - sorry] A 3550 running EMI is configured with a combination of routed ports and switched ports. A L3 device is plugged into the routed port. Routed traffic flows fine. When the routed port and the L3 device are instead plug...

Do you´ll know when the VMPS Server in IOS Catalist 6500 family Native Mode is going to be able? Do I need do have another specify IOS for that?

I'm wanting to monitor incoming and outgoing traffic and am having some trouble.Both the port needing to be monitored port(source) and the port w/ the sniffer on it(destination) are on the same vlan on a 2950-48. After reading up on SPAN and having ...

Hi,I'm pretty new to the world of cisco so please excuse me. My company have recently bought a lot of cisco equipment, including 3508, 3550, 2620 router and some other switches. We have setup VLAN's and all is working very well, thanks to all your po...

How would I know who has accessed the switch like authentication failures or successes. Thanks.

HiI'm running IOS Version 12.1(11b)E4 on Cat 6500. How do I configure port mirror. Any pointer/url is appreciated.

-- from cisco router access-listpermit ip 209.110.32.105 0.0.0.6 any-------Why is the netmask written by 0.0.0.6 ?thanks!

Hi, everybody,I have to setup a very simple (in my opinion) ACL on a MSFC. As I'm new in ACL's, please help....Issue:Allow access from vlan 10 only to/from servers A and B on vlan 20 (IP only), servers C and D on vlan 30 (for DHCP and DNS). Nobody on...

I've been researching this and cannot find any documentation that says it should or should not happen. It doesn't seem right.I configure NAT on a router. Identify e0 as IP NAT INSIDE and s0 as IP NAT OUTSIDE. When I ping from the ethernet the sour...

I installed SP6 on RTM 1.4 running on Windows 2000 Server and according to the readme file for SP6 this will now support Cat4006 SUP3.Because I still having problem, my question is:How to install this Licence on on Catalyst 4006.ThanksTayeb

Does a 766 support passing caller id information to one the its analog ports? What configuration needs to be done, if any, to get my phone to display caller id info. Carrier says that the isdn circuit has caller id enabled, but I don't see it displ...

Does c4000-is-mz.121-12c.EW1.bin supports port security ? Im not able to find it in the release notes . If not which IOS supports it?