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Resolved! OSPf link bouncing due to input and crc errors

Hi all,We have lan connection by opsfhere is log on device %PHY-4-EXCESSIVE_ERRORS: Excessive FCS, data, or idle word errors found on interface Gi1/0/6here is int gi1/06 infoFull-duplex, 100Mb/s, media type is 10/100/1000BaseTX***********************...

mahesh18 by • Level 6
  • 2347 Views
  • 6 replies
  • 0 Helpful votes

Resolved! ISP IN 2 VLANS OUT ?

Hello,Our Internet Service Provider , give us a cable modem that we need to connect to a switch , from this switch , one go to the TV SET TOP BOX and the other one is normal PC's for internet.When I look in the TV MENU of the Set Top Box , the IP is ...

Resolved! Connecting WS-C2948G to WS-C3524 via GBIC?

For our internal LAN, we currently utilize a 48-port WS-C2948G 10/100 switch.  While old, it has served our needs reliably and we intend to retain it in our infrastructure.Due to the addition of a VOIP server, we purchased a used WS-C3524-PWR-XL-EN s...

weldingkat by • Level 1
  • 1562 Views
  • 10 replies
  • 0 Helpful votes

reserved IPs withing DHCP

I have an SA520. The docs say if I reserve IPs they should be outside the DHCP range. On other setups I just let pretty much everything fetch DHCP addresses and then if for some reason I need one to stick to an address I tell the router to reserve th...

njemnjem1 by • Level 1
  • 566 Views
  • 0 replies
  • 0 Helpful votes

QPPB

Dears, I would like to know about QPPB and how use the bgp to use it, I'd would like to see some examples that we can simulate on GNS3 or others examples that you have implemented. Thanks

What vlan will a dumb switch be in?

Hi,With a Cisco2821 router configured with subinterfaces, for example:interface GigabitEthernet0/1no nameifno ip addressno shutinterface GigabitEthernet0/1.100vlan 100nameif soundsecurity-level 50ip address 10.10.100.1 255.255.255.0 !interface Gigabi...

VTP advertisements.

In "Cisco LAN Switching" by Kennedy Clark and Kevin Hamilton you can find:"Only Catalysts configured as server or client pay attention to VTP messages.Whenever they receive a message with the VTP multicast address01-00-0C-CC-CCCC and an SNAP type val...

Resolved! 3750x stacked switches ios upgrade

Hello I am looking for the documentation on upgrading the IOS image on two 3750X switchstack, is it the same process as a 3750 switchstack? I found this link but just want to make sure it applies to the 3750-X model too:http://www.cisco.com/en/US/pro...

Latency Issues

So, I'm new to switching and routing and was hoping someone could help me with what is probably a simple issue.I have an old 4006 Switch (layer 2 only) and a 2600 router.  I'm trying to setup 3 vlans on the switch and use the router to route between ...

Resolved! RSPAN? Having alot of issues

Hi all,I having major issues trying to get RSPAN to workAs a run down, i have an avaya phone system which needs call recording - all switches are cisco - see diagram.Basic, the call recording side needs a port mirror port to listen to all the traffic...

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