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Nexus 5K Config-Sync : Things to look out for

I've looked through the Cisco config guides for setting up Config sync and have successfully used it to configure dual-homed FEX's ports.Is there anything I should be aware of that can cause issues?I enabled config sync on an existing pair of 5Ks.  I...

vincehgov by • Level 1
  • 1902 Views
  • 7 replies
  • 0 Helpful votes

Resolved! 4510 strange behavior

Hi all, we have 2 4510 switches running 12.2-25-ewa, thoses seems to reboot by themselves about every 3 months, every times showing only a strange time set error. every time they reboot, they don't reboot normally and no traffic is flowing... the o...

fraber01 by • Level 1
  • 978 Views
  • 6 replies
  • 0 Helpful votes

Resolved! catalyst 4507R-E module WS-X4648-RJ45V+E problem

Hi Community, I have a catalyst 4507R-E and I put this module WS-X4648-RJ45V+E in the 7 slot, but the show module command show me Unsupported, this is the show version and the show module!? This catalyst 4507R-E whit this Supervisor Supervisor II+ WS...

hfb5 by • Level 1
  • 702 Views
  • 2 replies
  • 0 Helpful votes

IPSec VPN not established..

                 Hi,I have configured one IPSec VPN (dgcx 1 : ip 94.200.168.198)on router c1900.and it is succefuuly working.I also configured second IPSec VPN (dgcx 2 : ip 120.63.208.231) instance on same router and remote side having sonicwall fir...

help with cisco 881

HelloI'm having some trouble configuring a cisco 881. I'm building a lab where I connect 2 cisco 881 through the fe4 interface (Wan port), and then connect to each router a PC, at interface fe0 (Lan port). The idea was to establish connection and imp...

jmsant002 by • Level 1
  • 277 Views
  • 2 replies
  • 0 Helpful votes

Resolved! ACL on switch ports

HiI have 2 switches available to use, a 2960 or 2950. Ideally I wish to use the 2950 if possible.What I want to achive is for a few ports to be limted to Internet only traffic, and dns lookups from a selected internal dns server. So when a machine is...

Nexus 7010 Sup2 Upgrade

     I am trying to find the documentation to upgrade my nexus 7010 from SUP1 to SUP2. But I cannot seem to find it. Anyone know where it is hiding?                

mikegrous by • Level 3
  • 522 Views
  • 1 replies
  • 0 Helpful votes

Resolved! Exact MAC learning process of a switch

When a switch sees a frame whose source MAC is already in its CAM table on the same port, will it refresh the timer to 0 secondsOr it will again just store the MAC on the same port again?        Paraphrasing my question:If it is refreshing the timer ...

Dual VSM infrastructure accross 2 datacenter

Hi All,Our two datacenters are linked together using OTV.The VMware network environment is managed by the NExus1000VWe have a VMWare streched cluster over the 2 physical datacenters (a part of the VEM in DC1 and a part of the VEM in DC2).We have a pa...

riziv by • Level 1
  • 201 Views
  • 1 replies
  • 0 Helpful votes

Resolved! Redistribute static route into OSPF question

HelloI'm doing Redistribute in GNS3, please download my lab first in attached file.You  can see four routers, R1,R2,R3 running OSPF in vlan 10,20,30, can ping  each ip address between three routers, then I added R4 and R5 for  testing redistribute st...

Resolved! VLAN 3560

HI, please tell me (or give me a tutorial about) how to create a VLAN and configure a couple of ports on the Cisco 3560 V2 PoE-48. Thanks, Adrian.

3750X or 4948 10G for top or rack?

The 3750X has 160Gbps fabric with 102mppsThe 4948 10G has 132Gbps fabric with 102mppsBoth are non blocking.The 3750X allows me to stack. I hear the 4948 is better for server switches because of buffering/queues. So my question is: Does the 4948 buffe...

2901 routing

Hi, I have a VoIP network between point A and B; in A i have UC560 , 3560 v2 PoE 48, and two Cisco IP phone connected (for now); In B, i have 3560 and two Cisco phones. All equipment are configured and between A and B i have a straight cable from fa0...

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