The Cisco Catalyst 3750 is a line of 1-RU switches by Cisco Systems.
4
votes
1answer
237 views
Cisco 3750-X Stack Bandwidth
I am currently managing a large datacenter spine-and-leaf topology. On our leafs, we use stacked 3750-X switches.
I want to know how much bandwidth is currently going across the stack links ...
3
votes
1answer
52 views
Cisco Fiber switch perform at 100/1000
One of my switches is being replaced. It is a 24 port 100 base MTRJ Cisco switch. It is being replaced with a WS-C3750X-24S-E. Will this switch support 100/1000 or 1000 base only? I have some ...
7
votes
2answers
242 views
Impact of removing VTP from a production network
We are planning to remove VTP from a production network that has RPVST running. This is at the core (a pair of Cisco 3750s) and we are trying to weigh the impact it has on the production network.
In ...
2
votes
5answers
307 views
IPv6 address assigned to vlan interface of 3750 switch changes
When setting up my 3750 stacks, I enable IPv6 on the Vlan1 interface so that I can manage the stack over IPv6. The stacks are not doing any layer 3 routing. However, it seems that the IPv6 address ...
4
votes
2answers
451 views
SNMPv3 Setup - Cisco 3750
I am not a network guru by any means but need to setup our router/switch to use SNMPv3. I am installing What's Up Gold on our system and configured the settings (changed for this post) as follows:
...
2
votes
2answers
1k views
portchannel cant bundle flow control mismatch
Having a strange issue here.. I replaced a stack member (2 members in a stack of Cisco 3750x). Both switches have a 10Gb card and I had a perfectly working LAG/etherchannel between to 10Gb ports.
...
4
votes
1answer
938 views
Setting up a switch to pass data from a SPAN port
Situation: We have a 3750 with a monitoring session setup on it, grabs a few VLAN's running over the switch and has a destination port on that device (normal SPAN not RSPAN). Historically speaking - ...
2
votes
3answers
1k views
Can you stack Cisco 3750 using ethernet cables?
I am just wondering if it's possible to stack Cisco 3750 switches using their ethernet interfaces? I don't have the proprietary stacking cables.
5
votes
4answers
232 views
Cisco SFP module: Determing Priority?
I have two 3750 Cisco switches that have two fiber cables/sfp modules hooked up on each. The second fiber is just for redundancy.
I have installed two new 3750X switches on the rack for the upgrade, ...
13
votes
4answers
51k views
How to find the port a device is connected to, based on IP, on a Cisco Catalyst switch
On a Cisco Catalyst switch, I need to find what port an end device is connected to.
I have the IP address/host name.
How do I quickly find the port?
