Looking for a bit of tech advice..Each of my floors connect back to the core via a single uplink (fiber). Floor switches are 3560's. Floors 5,6 and 7 and the most important b/c of the call center / services we provide.I would like to use redundant li...
Hi all, This last weekend I tried to replace a stack of 3750G's with a stack of new 3850's. The stack of switches has 2 fibre uplinks to the core switches (4503-E). It didn't go well, and I had to revert the project. The stack was all pre-configured ...
So we have FA0/13 configured to use our Aerohive wirless. But for the past week its been losing the turnk config and I have no idea why. Heres the config we have in the 3550 switch for that interface. This interface is trunked to all of our VLANsi...
A large number of output drops seen on interface gi1/0/2 of a 3750 (12.2.52SE code). The output of show buffers show misses in the big buffers poolmore than others.Additionally, the port-asic indicate the drops are seen on queue 3 weight 2.C3750SW#sh...
Good day,I have a 2921 router...I got many subnets on network.. What I want to do is block access to one of my networks and allow all other subnets to browse the web.I have; 192.168.4.0/2410.20.50.0/2410.20.40.0/2410.20.30.0/2410.20.60.0/24I want to ...
Dear,I have just joined this helpful community. Since I am still a newbie, it is my hope to comprehend through our discussions. I would like to ask few questions about 3750X stack switch:What kind of switches are considered as provisioned switch?What...
We have been experience some very strange issues on our network.Switches all of a sudden started dropping off the management Vlan. On closer inspection on the switch logging buffers we saw the following message:%PM-4-ERR_DISABLE: loopback error detec...
1) I am going to connect all mgmt ports of server to this access switch (L2; 2960x) like below. Then I have a management port in 2960x (FastEthernet / L3 port). As you can see below, even though one of Core switch is down, I am able to access thr...
Hi,I have a network as shown below. Where, Sw1 is running R-PVST and other switches Sw2,Sw3&Sw4 are aunning MSTP. Sw2 is the IST and CIST root. The issue is, whenever I try to ping from Sw1 to the switches running MSTP, I can't ping without allowing ...
hi all ,im trying to connetc my asa to remote asa vpn , abd it seems that the remote asa has ike v1 ,tunnel is down and here is sample of log when client try to access reomte ip in the remote asa vpn subnethere is printscreen from the sas logs vpn:h...
Dear all,I configured a quiet easy PBR config for a test szenario, but it will not work. when I add a static route for an exmaple destination it works. So i guess the PBR is not working but I don't know why, also the debug didn't show me an error..Ve...
Hello,I would like to add a second supervisor WS-SUP32-GE-3B to a Catalys 6504 runnion IOS 12.2(33).Which is the best procedure in order to add the second supervisor ( all supervison will have the same IOS on board) with no outage ?Thanks
If I have a vpn site to site tunnel with only one host on each end, how do I block everything except those two hosts talking together and still use the vpn tunnel so that the data is encrypted?
We have several stacks of 3750 switches where this problem is occurring. All of the switches are running IOS version 12.2(50)SE3. (Yes, I know it's old.)We're seeing inconsistency in how the stack reports members when issuing the following commands...
