Switching

Hi all :I am implementing three tiers hierarchical network.There are different VLANs routing in the network and also VLAN access control for routing and blocking diffrent VLANs between the access network. The links between the access switches and dis...

Dears;I am the service provider for the Internet and the network for the customers in the Tower, and one of the most important important requirements is to give dedicated bandwidth for a subnet, for example the customer at floor 20, they need a 2 Mbp...

Hello,We received a router reboot, and it doesn't have given a crashinfo.so, In the  show version we have :!=====================System returned to ROM by processor memory parity error at PC 0x6414AF08, address 0x0 at 17:34:35  Wed Oct 10 2012System ...

Hi all :I am using Packet Tracer to simulate Cisco networking.As the existing IOS of the 3560 and 2960 switch are in older version which has no new feature in new IOS,  can anybody help to provide guideline or document to show how to upgarde the IOS ...

Hi all :I have porblems below need your advice. Usually when we assign IP address for a switch or router, it will be in the VLAN 1 which is default native VLAN.I have 3 questions below :1. Right now, for securoty purpose, we do not want to use VLAN 1...

Hi all,I have a pair of N7K's in vPC topology with some FEXs attached. I am looking into enabling Jumbo frame on the N7K as well as the FEX. I understand Jumbo frame is enabled globally by default. My question is I have some interfaces in a port-chan...

Everytime the ISP resets the DSL connection for maitenance, the portforwarding stops working, and needs to be entered again. Is there anything wrong with the config below?Version is C880DATA-UNIVERSALK9-M), Version 15.0(1)M7, RELEASE SOFTWARE (fc2)!v...

Good morning!I’m a little stumped as to why this isn’t working… That's probably because I'm not too savvy when it comes to router configs!Basically, I have a network which has a LAN and a DMZ. Everything on my network works correctly and communicatio...

Hi all,I have a doubt about this particular threshold. I configured auto qos on a catalyst 2960 and I'm seeing the following lines:mls qos queue-set output 1 threshold 1 100 100 50 200mls qos queue-set output 1 threshold 2 125 125 100 400mls qos queu...

Hello All,I am having a problem with a remote router. The problem is that there is no data being sent through the router, it is currently attached to a firewall.Here is the output of a show int:rt1 : router1:rt1# show int fa0/0/0FastEthernet0/0/0 is ...