Switching

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I am working in a lab environment with 3 1760's. I had some problems keeping my router secure because of people using password recovery to change my configuration. I decided to disable password-recovery which disables ROMMON completely. The same d...

On the old 3500xl we could use the multi-VLAN command to set up a port to allow more than one VLAN on a port that is not trunked. Can this be done on a 2960?

jimb by Level 1
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Hello,I have one 6500 at site "a" connected to two 4948's and those two 4948's are connected via fiber to two more 4948's that are connected to another 6500 at site "b". The two connections between the 4948's are at layer two. I have GLBP up and I se...

I'm seeing some cdp neighbours off of my core switch that have multiple IP addresses (so, switch A has 192.168.0.21 and 192.168.0.22). Problem is, the vlan interface only has one IP address of 192.168.0.22. Where can the second IP address be coming...

We have a backup server with 4 ports at 1gb on a team with LACP. During the night there are 8 servers with 1 gbps Ethernet card in backup at the same time but we don't have more than 1 gigagbps on the Etherchannel. 24% on each port. If we disconnect...

We are running through some test scenarios before deploying a 3750 stack into production.The only issue we have really run into is when we physically lose the stack master, i.e. pulling the plug. Our default gateway is on a core switch. When we unp...

e.huntley by Level 1
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AP1231G plugged into C6509 gigabit switchport - AP not able to connect to ANY part of network including vlan default gatewayTrunk status showsmode=onencap=802.1qstatus=trunkingnative vlan=301Switchport config:interface GigabitEthernet1/5 description...

tsrader by Level 1
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dearAS i am having datacenter switch (6500) from my local pc i cant telnet to switchbut from diffrent switch i can telnet the datacenter switch .i can ping from my pc to that particular ip its pingingand before to say that we are having complte layer...

Hi,i would like to know what could be root cause(s) that can make a single vlan got host flapping? in my case the router connection became very very slow even cannot be telneted due to high CPU utilization. a host with MAC address has made this route...

I have a server and a client both directily to 3550.Server port hardcode to 100/fullClient port is auto. Problem is download from server to clietn is fast. But upload file from client to server is extreamly slow.Client is a Gigabit card, and I tried ...

Is there any benefit in using VRRP over HSRP (or vice-versa) between two 4506 (SupII+ 10GE) core switches for client resilience?

nigelb by Level 1
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I've a stackable 3750 switches. There are three with one being master and all of them have a same priority. What is the easiest way to find the interface associated with an IP as show arp | incl 192.168.x.x shows the mac address of the master switch ...