We are having constant issues with a duplicate IP address that we are unable to locateWe have the SAME mac address causing issues in a wireless scope on a DHCP server (MS 2K8R2) against multiple devices. Can someone please advise how we go about aski...
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Forum Posts
Hello everyone,I have a question about vpc.I wonder why the vpc down log does not occur when the port is down even though there is one vpc port member.I can see the port down log message and the port-channel down log message but no vpc down log messa...
Hi, So I am trying to assign a port on GSB-9-Switch to VLAN 4 (Default VLAN) but I am not able to get it working. The trunking config on the port channel 29 between the switches seems fine to me. Could be the routing. Below is the needed config from ...
Hi There I have been getting alerts most of the day regarding DC replication status. When I logged in to the router I saw that the tunnel has been going up and down most of the day as well as others. Also I noticed on the router at the other location...
Resolved! VLAN in a router - what is it for ?
Hi allWhen "#show cdp neighbours detail" command run,appear an IP. This ip other switche's Vlan2 IP, is it normal ?When this command run i should see neighbour's Vlan1 ip, right ? King Regards
Hello, I am just wondering how a switch participating in a single region MST architecture can have a root path cost of zero.The switch itself is an 2960 connected to an SG500-X through a dual 1gbps port channel which is again connected through an 10g...
Resolved! how to communicate 1 way?
my title may be confusing because I don't even know what it is called by i will try my best to explain the scenario. I have Two PCs. Between them may be routers and switches. I want PCA to ping PCB successfully but PCB can't ping PCA. How am I able ...
we have one switch, one printer port state changed up/down every five minutes, what could be the reason, how to correct it? thanks
Having L2 issue hoping to be pointed in the right direction.Have CAT3750 + Aironet 1252. CAT + Aironet trunked multiple vlans. One of the vlans is dedicated for Dish Network TV system.The Dish hopper wifi is working fine as it talks directly with A...
It's been a while but I'm missing something in my set-upI have 2 switches. 3750 (which is acting as our router) and a 2960 on another floor. They are both using the same subnet, I want to separate them via 2 separate vlansvlan10 and vlan 20. I've ...
Replaced two old 3560's and a 2960 with a new Catalyst 3650-X and two 2960-X's. Routing seems OK for the most part, but there are some issues getting to the SAN VLAN.There is a trunk port between the core switch (3650) and the SAN switch (2960), and ...
I recently received a Catalyst 3850-24t-s with IP Base license to configure to work with some network upgrades we are wanting to do. I work for a small ISP and we are a FTTH network using Trident7 chassis from Pace networks. the connections from the ...
Resolved! 3750 stack member monitoring
Here is a problem with monitoring members in cisco 3750 stack.Some info:- Cisco Catalyst 3750-E- 3 members in stack (1 24-port switch and 2 48-port switch)- management ip address assigned to int vlan 1 -snmp service configuredOur task is monitoring t...
I have one laptop and cisco ip-phone, connected to the switch same port. my switch got 48 port.I know my laptop and ip-phone mac address and ip address, so how to know which port it belongs to? thanks
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