Other Network Architecture Subjects

Hi to everyone.I have a strange doubt about a echo reply in my network infrastructure.My current network is configured as follow Gateway  with two interfaces Lan 192.168.0.0 24 and wan facing the router cisco 837 with 192.168.1.0The strange thing is ...

Hey Guys, Need solution on suggestions please, I have Cisco 3750 here in branch office and NTP server is configured and located in our HO, the problem is i have entered all required commands to sync my 3750 with our NTP but still its showing, "Clock ...

Our video series teaches you about the OSI reference model and the TCP/IP protocol stack.Visit the Cisco Learning Network to learn more about the 7-Layer OSI Model Training Videos.

Hello,Since last night I have an issue with my VoIP Phone Cisco 7942. Just want to mention that I've used the phone without any issues almost 3 years.Yesterday my internet providers swap my old modem with new one because of some outages. The new mode...

I am operating C6807-XL-S2T-BUN as newbut I couldn't  find any license infomation on C6807 except test_feature (evaluation)Is it buldle product runs without license?  whice means I don't have to install or activate the license, kinda stuff?otherwise ...

Hello,I am looking for definitive confirmation that the Nexus 5500 series do not support WCCPv2.Does anyone know if it is not supported on 5500 series switches regardless of NX-OS version or if certain minimum NX-OS versions will support it? Regards ...

I am in the security group and we do network scans on network devices and have to have level 15 read only access for our scans to run correctly and so that we may very configurations and settings. We have not ran into this issue until recently as som...

I'm trying to edit some settings on the 7975g= phone using SCCP and CME, but I get a greyed out Edit key and when pressed it says "That key is not active here"  How do I activate the Edit key so I can change the settings.  I have unlocked the phone o...

Hello,I recently acquired a recycled 1921 that I was planning on using for home/study purposes. I was hoping to be able to configure a ipsec VPN tunnel between a few other routers I have, but I seem to have run into an issue with licensing. I was und...

Does the ASA 5585x have high CPU utilization issue.I am currently running asa913-smp-k8.bin. Through my monitoring tools I tried to compare if the CPU utilization when the traffic utilization is high, but they dont match up.Want to know if this is a ...

 We get a lot of PoE error messages:C3650#show logAug  4 10:47:23.223 MET: %ILPOWER-5-IEEE_DISCONNECT: Interface Gi1/0/1: PD removedAug  4 10:47:23.224 MET: %ILPOWER-3-CONTROLLER_PORT_ERR: Controller port error, Interface Gi1/0/1: Power given, but Po...

Now I'm really confused because backbone's issue.Until now, I have known CF memory is same capacity in order to dualization between SUP720.I have 2 CF (One is 256MB, another is 512MB) In order to dualization, should I change to same capacity my CF? T...

how to reset a switch