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Hi, When studying for my CCNP it talks about keeping Vlans local and this is the best design. So for example say my end switches are layer 2 2960's create the vlans here, then these uplink to my distribution switches which are layer 3. Is it saying c...

I have a VSS setup of 6513 chassis. The Access switches are connected to the VSS through MEC. There's a MEC to an External Switch where all my next hops Routers,Firewalls, WAN are conencted. All the SVI's config on VSS. VSS is running safe harbour IO...

Hi,We tried to create 2 x Multilinks between OSR's, but due to some issues only 1 Multilink comes up and the other was failing during  negotiatiation. We need to create 2 multilinks between two sites,Need support that why we are unable to create more...

Resolved! udp flow mechanism

Hi Experts,I have a question regarding UDP. I know UDP is a stateless protocol. But what are scenarios where we send data traffic using UDP beacuse using UDP we send keepalives messages/communication protocols use UDP like SNMP/RIP/OSPF but in all ca...

Resolved! BGP , question

Hi everybody This is what  I observed at workThis is my understandingLet say R1 is receiving a prefix( via BGP) 1.0.0.0/8 from two ISP,  Isp1 and ISP2, both routes will be installed in RIB, R1 finds the the route through ISP1 as the best and installs...

sarahr202 by Level 5
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My have a stacked 3750x that has the Fas0 port configured as *.*.1.32.  Right now it shows down down when I do a sh int status. I cant ssh to it for the obvious reason?I have not worked with these switches much but where is this physically port locat...

I'm sure this may have been addressed but I'm having trouble finding documentation for this scenario.    Let's say you do setup OTV for two data centers with the intention to extend a vlan across both.   Let's say we populate this with a /24 subnet s...

Hi, We recently found two entries on our ACE logs constantly complaining about ip/arp collisions(%ACE-4-405001), and on further investigation we saw that these IP's related to the mac addresses no longer existed anywhere in our network. 1            ...

bdyzel123 by Level 1
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Primary route takes IP traffic via fiber links from Router A to Router B and finally to Router C. There is also a Wireless Radio link between Router A and Router C and is configured as the backup route if the primary path goes down. If the fiber link...

KCIT21620 by Level 1
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Hello everyone, i'm new with packet tracer, and i'm using it to design a topology which requires the ASA 5520 firewall. But unfortunately i cannot find it in the devices list. Please can someone help me?

deajoel01 by Level 1
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Hi,   Using Packet Tracer, I'm trying to ping hosts across a simple eigrp but attempts fail.  Hosts can ping their respective routers and one host (PC10) can ping a third (PC11) through ripv2 with no difficulty.  I'm including the .pkt for reference....

paquinjrm by Level 1
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I am fairly new to cisco routers so I'm not 100% sure what I am doing wrong.I have setup my router so that it connects to the internet, and I can successfuly ping from the router. I have also setup my vlans, and I can successfully ping the router. Bu...

bens00003 by Level 1
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Dear all,What's the difference between c3750e-universalk9-mz.150-2.SE5 and ipbase?Do both support L3 and IGMP snooping version 2/3? Kindly advise. Thank you.RegardsKevin

Gi/GalsWe have been using USB keys to update the firmware on routers  and to provide backup copies of ios (usbflash:). It seems that the 2900 series routers are a bit more selective about what USB keys they will accept, where the 2800s don't seem to ...