Switching

Hi,I know that NM-8CE1T1-PRI card can support only 128 channels. Could any one confirm whether it supports clear channel configuration. If I configure 4 ports as channelised E1 making use of 128 channels, can I configure remaining 4 ports as clear c...

Hey we have quite a few 3750 devices and we want to change the err disable recovery time to 180 sec and i just wanted to know the impact when we configure this command when switches are in production. would the port go down? no right ? any suggesti...

Hi all, I have a Cat6500 x6k-sup2-2ge running an IOS software. My problem is that I'm stuck in rommon mode after the IOS upgrade. Now I have A PCMCIA and I want to boot a new IOS from the PCMCIA. I cannot format the PCMCIA from the rommon mode. How c...

Hi, I would like to know, how do i recover the old vlan configuration if vlan configuration change and update with new switch added in the network with low vtp revision no.

We utilize VLANS and here is the port config from one of our switches: switchport access vlan 31 switchport trunk encapsulation dot1q switchport trunk native vlan 4 switchport mode trunk switchport voice vlan 70 spanning-tree portfastAm I correct in ...

Hi,How to identify the switch module supports POE.Does (RJ45)mean it supports POE.

I have the ip addresses 200.1.1.0, 200.1.3.0, and 200.1.5.0, 200.1.7.0.If I create an ACL with ip 200.1.1.0 0.0.6.255 Will this only allow the ODD ip addresses through?If so, can someone explain this to me in binary, bc Im having trouble explaining i...

First of all is it possible to create a Cluster with 2 Cisco 4503 Chassis.[nic teaming]..|............|...[4503]-[4503]..\.........../..[Router]I heard about Cluster License/Cluster IOS, and a special Cisco Cable to connect the Chassis. But I didnt f...

Hi, I just purchased a HWIC-4ESW-POE for a 2811 router and realized that I also need get a different power supply for it as well. Is this power supply easy to install? Will I need anything else besides the 2811, the HWIC-4ESW-POE, the power sup...

Hello allMy boss has asked med to come up with a suggestion for implementing NTP in our network. We are a large public organisation with 2 large (VMware) datacenters and around 800 locations.What would be a proper way to implement NTP? Is a dedicated...

Hi, How do we do rommon upgrade (file on rommon) on 2800 routers?Many thanks,Raj

Running Native Mode (IOS) on 6509 with following modules installed, but 6724 will not Power UP. Three different linecards in 2 different chassis show same symptoms. I don't believe we have 3 bad line cards. Running current IOS and researched line car...

Hi all, i have a requirement in which i have to shut and no shut a particular tunnel at around 20+ spokes from the hub. I want to write the script in which it says that go to int tunnel 1 (its always tunnel 1 ) shut and no shut. At each spoke i have ...

Hi, suddenly I have observed that vlan configuration of one access switch has been replaced with one distribution switch configuration. I have checked all the possibilities but there is no reason to change. Can you suggest me how do i know the reas...