Switching

Hi All,Are there any harmful / unwanted impacts of executing resync-database on N5K?That command seems to be undocumented in the regular Nexus documentation but is mentioned here. Because I'm facing a similar issue it seems to be the solution, but I ...

Hello, we hav ASR1002-X and we want to do QINQ  but we don't have second-dot1q command  ? Is there a problem (show lic is below) Thanks a lot for reply ! conf terminterface GigabitEthernet0/0/0.5ASR(config-subif)#encapsulation dot1Q 59 ?  native  Mak...

Hi Everyone,I have 5 swicth as a stack. When I try to ping SVI from the first switch, I recieved a time out but when I plug the pc into the second switch, I recieved reply time. all the ports are in the same vlan, and pc operating system is Windows 7...

Can a Cisco rep answer when there will be a 12/16/24/etc SFP+ only version of the Catalyst 3850 to replace the WS-C3750X-12S?

Hi All, Can I upgrade cisco 3750 switch from 12.2(53r) to 15.2(1)E2 without any issues?Or is there any upgrade path to follow to reach 15.2(1)E2.Thank You,P Phani. 

Hello, I have a strange problem that started at 3am last night.  I have a device that is connected to a 3560G, and it suddenly stopped communicating with the switch.  If I try and move it to any other port it will not work.  If I reset this device to...

I'm wondering if anyone has ever seen this before. On a pair of Nexus 5596 with layer 3 module, when you do 'sh run', the created vlans are NOT displayed. (There are ~50)When you do 'sh vlan', all vlans are displayed correctly.Any ideas?

 Hi Everyone, I have a Cisco 2960 switch ( WS-C2960-24TT) and around 10-12 ports are not functioning properly. It shows me like Fa 0/3 is down line protocol is down(notconnected) , even if the port is connected to laptop. If i unplug the cable and pl...

RTA# show ip route ospfO IA 6.0.0.0/8 [110/65] via 5.0.0.1, 00:00:28, Serial2/1/0O* E2 0.0.0.0/0 [110/1] via 5.0.0.2, 00:00:16, Serial2/1/0Refer to the exhibit. On the basis of the information presented, which statement is true?A - A defa...

We have a VSS based on 2x WS-C4500X-16., The VSS is used as Layer 2 Switch for diffrents Vlan in our DC. After making the VSS as a Layer 3 gateway for our production VLAN and added 2 routes for routing purposes, we encountered a network down time wit...

Dear all,I got opportunities to implement stacking.Can you please tell in stacking how many switch are connected maximum and minimum?how to configure stacking between 7 switches?After configure stacking how to connect core switch?Here we are using 37...

Hello guys,I have set up a IPSec Tunnel between 2 Routers....both WANs are in different segments. So far this is OK, but I want to block any outgoing traffic that is NOT included in the ACL for the IPSec tunnel....for this I set up a ACL on the WAN i...

 Are there any preferred Ports for the VSL Links between two 6880 Chassis? Thanx for any Help

Hello,This mainly stems from the fact I would like to add a Router to my CNA (Cisco Network Assistant) community.  And am not sure which user credentials I need to apply on CLI.To note I have enabled IP http server.So from the list below what are the...