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Forum Posts
Hello Is there any way business critical traffic be prioritized at specific times of the day using QoS? Any links / documents discussing this will be great help. Many Thanks in advance.
Hi I have two switchs (cat3750) and both them back to cat6500. one of our client, accidentally link one access port on one machine, and to another access port on another machine. the access port configuration is:interface FastEthernet1/0/2 descriptio...
I'm connecting two catalyst 3560 switches to each other using trunk port and I'm getting below logs on one of them. Any ideas ???18:43:38: %SW_MATM-4-MACFLAP_NOTIF: Host ac7b.a15b.3c2c in vlan 40 is flapping between port Fa0/1 and port Fa0/718:45:00:...
Have a few Cisco IE-3000 8TC switches with the 4SM FIber SFP expansion modules. The switches do not discover these ports at all. I'm assuming that thhere is a fix or firmware upgrade, would appreciate any help.
Resolved! Extend range IP address
Hello experts,I have several Vlans, eg: Vlan221, VLan222, VLan223, VLan224, Vlan225 with subnetmask /24 and only created ACLs for only VLan225 and applied access-group "in" for this vlan interface.Now i used almost IP address in VLan225(no more ip a...
I've got a Cisco 2851 router with an IPSEC split tunnel for clients to connect to using Cisco VPN client. We are we are encountering some connectivity issues with the tunnel that is reproduceable. First time connecting works fine for a few minutes, b...
Hello, I have a stack of three 2960-S switches. They are currently running ' Version 12.2(53)SE2, RELEASE SOFTWARE (fc3'.Is it OK to do a direct upgrade to 'c2960s-universalk9-tar.122-58.SE2' ? or is an incremental upgrade required ?I understand I si...
All I have a 6509 with a subnet created which is used for VoIP. This subnet is trunked to the access switches. HOWEVER,another switch was added off this 6509 that has a point-to-point connection. There will be 1 - 3 VoIP phones on this switch.Not su...
Dear All, We've a network which is composed of two 5525 ASA firewalls configured for fail over, two 4507 switches configured as the core/distribution, they are configured to be dhcp servers for separate scopes, static and ospf routing with their own ...
Dear all,I am reading around to see the differences between uplink ports and normal ethernet ports. It seems to be uplink port just reverse the rx,tx pins and remove the needs of using a crossover cable.I have done a simple representation of using th...
Hello,I'm in the process of purchasing dual 6807-XL switches that will run in a VSS configuration and I was wondering if there are any concerns or items I should be cognitive about? We are a MS Hyper-V shop in the arena of server virtualization. Al...
I'm in a situation where a subnet at a facility on the other side of the country is stepping on another subnet on the network. Thus, I must re-ip the devices on the offending subnet. My plan is to add a secondary default route to the gateway (Nexus 5...
My Catalayst 4507 is reaching up to 82% CPU utilization and I noticed that K2L2 Address Table R is causing the high CPU, kindly help me to resolve this issue.C4507#sh processes cpu | in HiPri|LoPri|CPU utilizationCPU utilization for five seconds: 82%...
Hi all,I came across this term in my old textbook"If a router running RIP has a subnet mask of a certain value, it assumes that all interfaces within the classful address space have the same subnet mask. This is called classful routing)"I understand ...
Hi, we are moving a Cisco 2960X switch that acts as a core for a small branch site to another site. We have nobody technical at this location and are trying to do this without anyone on the ground.We've made all necessary config changes but in order ...
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