Hi Cisco Community Members, I have the follow question, search the internet but not found a good solution. Design: - Two Data Centers (A) and (B) geographically 20km - One Single mode Fiber from Customer-CPE-Switch to Data Center (A) Core Switch ...
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Hi all, I have a critical issue , my CPU reaches 99% from now and then and when i check the cpu proc I can see ARP Input process is causing that .. I dont know what the reason , can you help me ?
Hello I have a branch office with a Cisco 851 router running GRE back home. I need to upgrade it with a Cisco 892. I am currently planning on connecting the 892 to an interface on the 851 configured for the same VLAN as the 851 LAN interface. I will...
Greetings. We have two Nexus 7K switches, each with two N7K-SUP1 and N7K-M132XP-12L modules. It's in a vPC configuration. We're on 6.2(16) code. The 7K switches are basically acting as cores that do DC functions and general campus core switches. We h...
I manage a small multicast video network. We have remote cameras and encoders that create multicast mpeg-ts over UDP streams and decoders that decode them. During a busier than normal night I noticed something strange, three ports on my ws-c3750x-48 ...
Cisco 4000 series router. All traffic is going over DMVPN tunnels back through our main data center. Would like to route Internet traffic straight out the Internet interface and corporate destined traffic over the tunnels. I lose access to the sit...
Is this possible? We have a subnet (10.98.186.128/25 that requires access to a server that is hosted on an IP that isn't controlled by us (IP is 10.212.14.98/32). We have multiple paths back into our network so the return traffic ends up coming...
Resolved! BGP Peer are not pinging
Hi, I created topology in gns3 and running BGP and router R1 is able to ping R3 and R5 but not able to ping R4 fa0/0 interface .neighbor-ship established and all interfaces are configured correctly. Please help me to get the reason.
Hi, I have F5 LTM Active and standby boxes. After the active box fails over to the standby box, if I check the MAC address in the switch (3750) which is connected to the LTM boxes, I still see the mac address of the active box.. I have to do clea...
Resolved! Inter vlan on SG300-28PP L3
Hi All, i have a new cisco SG300-28PP switch and i have configured the 1 Vlan so that is 2 from the default vlan 1 and now another vlan 20 , the vlans can ping the switch and their respective gateway , but i am unable to create communications betw...
Resolved! Can't upgrade firmware via tftp server
Hello, I can't seem to upgrade the firmware of a remote switch. The switch can ping the tftp server over the WAN and ports are open, plus I have used this server before to upgrade a different type of switch around 12 months ago. Here is my outpu...
Hello! We have got a 6880X and a 3560 with two fibre links between them (running different OSPF's, each link has 3 different OSPF networks). 6880X { vlan 3112,3312,3512 } 3560 { vlan 3113,3313,3513 } The thing is that one of these links has...
So I have switch A in our library that i replaced here recently. After replacing it and getting the link back to Switch B in an outbuilding with the same port configuration, I have found that Switch B's port that the link will start flashing Green l...
Consider the following setup 2x 5k as part of a VPC setup a FEX switch which is connected with vpc portchannel with 1 uplink to each Nexus If like in the picture, 1 of the 2 uplinks goes down. Does the remaining up port act like an orphan port? ...
Dear all, I am a newbie in the Cisco's world and I've encountered a problem. In our company there are several different VLANs, one of which, for example the VLAN 1 (192.168.1.0), allows wireless devices to access only some local Virtual machine's I...
