Switching

Hi,I am trying to configure etherchannel on 3750E switch for link redundancy. We are having 2 stacked 3750E switch connected to Nexus 2148 switch via trunk port which is further connected to Nexus 5010.I am using 3750E as core switches. I want redund...

Greetings, i have an 871 ISR, the outside interface is configured with two sub interfaces and an internal LAN interfaces, now im trying to get the 172.16.1.0 network to talk to the 10.10.10.0 network which doesnt have a GW of it's own, as such i need...

Dear All,How i can install the pdlm for some protocols in 1800 series routerHow i can download it ?

hello,in one of the data center we have presently six 3750G swithches in a single stack. Now we want to make a different stack with another two 3750 G switches which will be connected as etherchannel with the present stack. I have read the configurat...

Hi all,I am using a cisco router 2800 to connect 3 sites. I would like to use quality of service(QOS) to certain traffic. I understand that QOS can be configured to guarantee bandwidth, but can it also restrict bandwidth such that it will not exceed ...

Hi Everyone,There are 2 ethernet ports in my office which are exactly the same  except that one supplies power and the other does not. UDP messages can  still reach a computer connected to the ethernet port which supplies  power when the computer is ...

Hi allwe are occuring and problem when connecting an two existing toplogy based on Catalyst Cisco 2960 & 2950 and existing toplogie base on 3Com Switch 8810 Core switch that we need to connect them to gather.When connect the 3com segment trought an a...

Hi all, recently I replaced one 6006 with 4507E switch. New 4507E uses SUP6-E supvisor and 4658-RJ45V-E module, the power supply is 4200w. Some user complaint no connectivity for NIC. After the investigation I decide to enable "inline power never" fo...

HiIn 802.1d when the switch detects the topology change (TC) it sends TCN to the root bridge , then root bridge sends BPDU to all other switches .Then other switches set the bridge aging time to forward delay for faster flushing of the mac address ta...

HiI would like to know why stp  just sends bpdu over the first interface in  an etherchannel not others ?Thanks.

Hi all,I'm testing about ntp synch time with below topologyRT1 ------------ RT2 ------------- RT3RT1 : ntp clientRT2 : ntp masterRT3 : ntp clientRT1 configntp server 1.1.1.1(RT2 ip address)RT2 configntp masterRT3 configntp server 1.1.1.1above conditi...

HiI would like to know how MST and PVST can interact with each other ? does mst assume pvst as a CST or not ?Thanks.