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Forum Posts
Cisco 1811W router, IOS 15.1(4)M6, DHCP server not working on internal VLAN but configuration looks OK to me.C1811W#sh run int vl252!interface Vlan252 ip address 192.168.252.252 255.255.255.0 ip nat inside ip virtual-reassembly !C1811W#sh run | secti...
I currently have separate VLANs for faculty, staff, and students, with ACLs allowing access to different internal resources. We have a Catalyst 4507 as our L2/L3 core switch, and all our access switches are L2 only, with trunk ports to the core, and ...
Folks,I have a picture attached to understand some concepts on port channel:I have a Switch-A connected to Switch-B as shown. On port a I have created a port channel between port Gi0/1 and G0/2.However, on Switch-B port Gi0/1 and Gi0/2 are left as is...
Hi, I am implementing VSS on a pair of 4506E switches with SUP7-E cards running 03.04.00.SG, they will be running MEC to access switches which are 3750 stacks. I want to prevent dual active scenario on the 4506, the options I believe I have are:ePAg...
Resolved! L3 Etherchannel is not working
Hello,I'm testing out etherchannels. I created an L2 etherchannel successfully using fa0/23 and fa0/24 on 2 switches, nothing fancy just very basic configuration like the following:SW1(config)#int range fa0/23 - 24shutchannel-group 1no shutApplied sa...
HiI'm studying for my CCNP Switch exam. I've set up a switch block with two 3550s and two 2950s. I've also configured HSRP with a 200 msec hello timer and a & 750 dead timer as per the "Campus Network for High Availability Design Guide".Now the PCs t...
hi ,assume i have pc with ip 1.1.1.1note that pc can reach internet with ip 1.1.1.1connected with router as below :pc----------------router-------------------switch----------------interneton router , i want to set condition ,if ping on 8.8.8.8 fail...
Hi,I am using Cisco IE-3000-8TC switch. The IOS is 12.2SE. Somehow the IOS has been corrupted and switch is rebooting again and again. The POST is OK. Flash Initialing is also OK. The only error I can identify is...Start FPGA programming (375883 byte...
Dear We're just starting to configure 2 new 3750x-24 in our datacenter. A few months a go, we put on service a 2960S and a 3750G-24, with no issues. My problem is that i configure both new switches, and everything seems ok but when i open the we...
Resolved! switches - trunk link
How to remove particular vlan in trunk link?
Trunk link receive without trunk tag frame what will happen the frame?
How many minutes it will take switch to learn Mac address?
How many vtp server (not domain) can create in the network?
Dear Experts, We having a contact center with PRI (30 channels). recently we faced a problem with outbound / incoming calling from/on the PRI. Eg:- Outgoing calls were not getting matured and require multiple attempt to connect on called number. For ...
Resolved! Switch VTP
Two different vtp server with username and password configured in distribution layer. both vtp server configured with trunk link it will share the information?
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