Switching

When i insert the twingig converter i get following error message, i got the replacement Twingig converter from Cisco but error message persists.%C4K_TRANSCEIVERMAN-3-SEEPROMREADFAILED: Failed to read transceiver serial eeprom on port Te2/1, try rein...

Hi everybody,I need to know, if I order cisco catalyst 4503 with supervisor engine II Plus TS, I must to order also any other additional software, like IOS or any?Or this switch is comming with IOS?Is the first time when I will use Cisco Catalyst, an...

HiWe have connectivity between our three data center through the OSPF protocolSITEASITEBSITEC all running on Area 0all connected routes from 3 sites are advetsied through OSPF and working fine now my requirement is from SITE A i have also connected t...

Hi Guys,All throughout my network I'm seeing the line protocol on our switches go up and down lik a yoyo. Numerous ports on numerous switches have expeirenced the issues and I am struggling to ascertain why.I cannot produce the issue on demmand, it i...

Hi, I just purchased a Catalyst 2948G switch not realizing that it has CatOS on it. Which I have no clue how to use. Any tips on converting modern IOS 12 commands to CatOS?

Hi allAfter some reading on UDLD, am i right in saying that it will only work if the thing plugged into the switch is udld aware? so if in aggressive mode on my cat5 links, if I plug a pc in udld will not work?? is this true??cheersCarl

Hi,it is possible to configure a vpc link between a nexus 5000 and a nexus 7000. We have one 5k and one 7k and we want configure a multi chassis channel (MEC).many thanks for your response.best regardsJens

I'm using IGMP Snooping Querier to support IGMP snooping on more than one vlans where PIM and IGMP are not configured because the multicast traffic does not need to be routed.On another vlan, I'm receiving multicast traffic (I'm not able to be more s...

Ok this is a weird problem. My Cisco phones at random times (days or weeks) and random phones (different buildings) are getting a data vlan IP address. The phones are still up and when a user can receive (phone rings) and call other extensions but wh...

Hi,I know there's quite a few posts on here about what you can and can't do with QoS on a SUP720 but we have a QoS template that I need to deploy (or advise on reconfiguration) for a customer that uses the Priorty command for Voice in the policy.Taff...

I am trying to setup my switch to receive mcast data from an upstream switch. The show mroute shows an entry for the rpf neighbor but the show ip mroute count shows "rpf failed". the output does show that i am receiving data. The server requesting th...