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Resolved! Help

Hi All, I need your  help. I´m using in m y network Switches 2960-S and there are conected Hikvision camera. Some time the port where are conected the camera go down. I junst made Shutdown and No shutdown but the ports not came back up. I´m making re...

Resolved! ASA 5505 routing through an 807 DSL router

Hi, I have configured an 807 router to a DSL line which works fine. I have configured an ASA to plug its external interface into the internal network on the 807. So the connections are Internal | ASA | 807 | DSL | Internet. If I connect to the intern...

Failure to start a catalyst switch

My Switch has failed to start well . It is bringing the following error % Error: Unable to create flash:/microcode_update% Error: It must not already exist I need help on how I can delete the above microcode_update directory Any help on how i can del...

TCP FIN ACK Question

Hi All Is it possible for a server or pc to send a FIN ACK without receiving a FIN first ? I am seeing a server disconnect a client, but I don't see the client sending a FIN request. cheers

N7K vpc changes

When creating SVI's on N7K's across a vpc, how long does it take the N7K to detect a Type-2 inconsistency and stop forwarding across the vpc?  What I'm getting at is, how quickly do we need to create new SVI's on a N7K pair before we interrupt servic...

Trunk between Cisco 3850 and HP8212zl

Hi All, I'm setting a Trunk between Cisco 3850 switches and HP for a customer, I have a problem with 10GB interfaces (Cisco and HP) where the speed Auto negotiation only achieves 1GB, any idea what i need to do to achieve 10GB? Also hard coding the i...

Resolved! L3 Switching Commands

I am new to L3 switching and I have seen some interfaces on our switches setup in two different ways.  Can someone please explain the commands below?   interface Vlan5 ip address 10.100.5.253 255.255.255.0 ip helper-address 10.100.5.50 ip ospf authen...

Resolved! Switch Stacking

I am configuring switch stacks containing a c3850-24u and a c3850-12s... I have configured two stacks like this but they required two different interface configurations... One stack had the 24U as G1/*/* and the 12S as G2/*/*.. The other stack had th...

3850/3750 QinQ

Hi guys, The customer have a 3850 and a 3750 with QinQ configured. We have a problem with QinQ traffic that is in 3750 and your gateway is the 3850. All traffic pass through 3850 but QinQ traffic don't work. The catalyst 3850 is running 3.2.3 IOS XE...

Resolved! Local VLANs & HSRP

Hi, I have an access layer switch with two trunks facing two seperate routers which are connected together via a L3 link and L2 trunk (this is a mixed End-to-End VLAN and Local VLAN scenario). I would like to use HSRP to have a virtual gateway for t...

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