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Forum Posts
Resolved! upgrading from cat 3550 to 3750
we have two core swiches 6506 and around 55 cat 3550 switches. currently we are on the process of replacing the cat 3550 switches to 3750 switches.We need 10/1000/1000 speed, ip base image with upgrade options. Our up links from cat 3550s(sfps)...
Hey all ,i have a message that appears when i run a debug on my switch :Core1#pak 5884A9C consumed in input feature , packet consumed, MCI Check(63), rtype 0, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE i would appreciate if someone can explain ...
Hello Can you suggest me any managed POE switch which works on DC power ? Ports density doesn't metter but 8 ports will be enoughNika
Aug 20 00:40:13.086: %SEC-6-IPACCESSLOGP: list telnet permitted tcp x.x.x.x(62488) -> 0.0.0.0(23), 1 packetthis meassage occures frequentlynote that the ip x.x.x.x is a subinterface in the same router !!!!!!!!wt does this log mean??regards
First of all, I'm kinda new to the router game and I'm learning as I go. I have a Cisco 2811 Router with a NM-16ESW card installed. I've connected this to my DSL connecting and I'm trying to build myself a learning lab. From the router I can ping ...
Resolved! Re: Native Vlan mismatch............
Hi,Can anyone help me how to solve native vlan mismatch issue in cisco 3750 stack switch which I attached the screenshot below.Thanks,Santhosh
Hi all,Can anyone tell me if it's possible to create a VPC directly from a Nexus 5K to a server ? I am going to use LACPThanks,Ismail
Hello Everyone,I am working on Multicast scenario, There is one 6513E switch one 2960 switch. Two VRF's are configured in core switch (6513) IPTV-SRV and Villa-VRFIPTV-SRV vrf has IPTV server and Villa-VRF has IPTV i.e. client. VLAN 30 is mapped to I...
just installed our first 10Gb uplink..2960s > 4510R with SUP7. link is running really slow. Users are unable to load data from remote databases on the LAN. We are getting a lot of "errors in". Is on new new SM Fiber install. Error In is showing on 4...
Hello,I have 2 x 3750's in a stack, switch 2 is the master. We only have 5 hosts in each switch so we decided to move all hosts into switch to and removed switch 1 as we need it elsewhere. Anyway all worked fine, but I wanted to tidy the config up ...
Hello everyoneWe have experienced a network outage due to a port-channel going down. Checking the logs we have seen the following messages:%SPANTREE-3-PRESTD_NEIGH: pre-standard MST interaction not configured (Port-channel3). Please, configure: 'span...
Hi,we are in the planning phase for a network upgrade. We have two C2960 Switches connected via one (L2) Etherchannel (4x1 Gbit/s) which works very well. In the next phase we would like to upgrade our router to an 2911 series which has 3 gb interface...
Resolved! Strange IPs in DHCP Binding Table
Hello,I have set up a dhcp server in a router for the wireless clients that exist in VLAN 10. I noticed that as soon as I set up the DHCP some strange "MACs" have been given IP (through the command sh ip dhcp bindings). After only a few minutes the p...
Resolved! Route Map?
Hello Community,I would like to know how to force all traffic from a specific network to go straight to the internet without being able to ping or otherwise communicate with my other networks eventhough there is a route in the routing table for them....
HIi would like to know what happen if a configure a etherchannel (LACP or PAGP) using media converters (UTP to FO) in middle of the links, (ie SWITCH---TRANSEIVER------FO link-----TRANSEIVER-----SWITCH). what happen if one of the fibers is broken?, ...
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