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Resolved! Cisco 891 IOS NAT problem

Hi,I am having problem with a simple NAT configuration, and not able to figure out. I can not connect to the Internet. I am not able to find enough information about NAT-NVI: translation failed (A) error.thanks here is the configinterface FastEtherne...

Server Load Balancing

hi, I would like to know that how can i load balance traffic across multiple servers in a round robin fashion on MAC base. I mean that incoming user traffic will get the reply from 1st server MAC ,  2nd request will get the responce from 2nd server ...

Layer 3 port-channel with HSRP

Hi,I have the below setup.cisco 3550-1 ---- layer 3 etherchannel --- cisco 3550-2                                                                |                                                                | layer 2 etherchannel                  ...

noobieee7 by • Level 1
  • 6290 Views
  • 6 replies
  • 0 Helpful votes

etherchannel issue

I've configured etherchannel on my switch but i can only ping the default vlan 200, but not other VLANs. This is a layer 3 switch - routing is enabled.Any ideas?interface Port-channel1 switchport trunk native vlan 200 switchport trunk encapsulation d...

after1111 by • Level 1
  • 396 Views
  • 2 replies
  • 0 Helpful votes

Resolved! one subnet and multiple vlans, proxy arp

Hi  every bodyI was reading my book about  what are the best practice when it comes to vlans.  The book says   ' though not the best practice,  you can design a network to use one subnet on multiple vlans and use routers with proxy arp enabled to for...

sarahr202 by • Level 5
  • 6965 Views
  • 2 replies
  • 0 Helpful votes

few questions about private vlan

Hi every body.i have few questions about private vlan.1) Can a private vlan have more than one promiscuous port?2)   consider the following scenario:sw1---trunk-----sw2-------trunk-----sw3----trunk------------routersw1 has vlan 1sw2 has vlan2sw3 has ...

sarahr202 by • Level 5
  • 341 Views
  • 1 replies
  • 0 Helpful votes

Issue with 4500 Module .

Today morning I faced a issue with one of the module in 4500 switch. Many interfaces were down. LAn cable was perfect when tested. However when I changed speed and duplex manualy to 100/full all these interfaces came up. The problem was in only one m...

Bad connection between 2nd trunk port on switch

HiI have been trying to trunk to 2960  switches and can't seem to get a proper connection. I am using packet  tacer. The 1st switch already has a trunk port going to a router and the  router has port is trunked and has sub ints for each of vlans 2 an...

rprudent by • Level 1
  • 1058 Views
  • 3 replies
  • 0 Helpful votes

How can you tell this interface is a static MAC address?

Switch1#show mac-address-tableDynamic Address Count:                 19Secure Address Count:                  0Static Address (User-defined) Count:   0System Self Address Count:             41Total MAC addresses:                   50Non-static Addres...

macky1313 by • Level 1
  • 1580 Views
  • 4 replies
  • 0 Helpful votes

Resolved! etherchannel question

  I have seen this issue before and have looked all over for the answer but can't find it .  We create a etherchannel on 4 ports with the exact same config line for line , we bring up the channel 3 show say in port channel 150 and the 4th ends up int...

glen.grant by • VIP Alumni
  • 584 Views
  • 3 replies
  • 0 Helpful votes

Resolved! show int command on switch

Hi every body.I just want to know   when we use the command "  show int "  on a cisco switch,   it will show different counters such as input error ,output error,  etc.What are input error and output error?  what is considered as input  and output?th...

sarahr202 by • Level 5
  • 2298 Views
  • 4 replies
  • 0 Helpful votes

2 x vlans on a layer2 switch

Hello,I have a Juniper server plugged into a Layer2 switch on vlan100 on my dmz and this works ok.  Now i want to plug in an internet mail server onto that layer2 switch but in vlan193.  However when i do a no shut on vlan193, vlan 100 goes into shut...

ohareka70 by • Level 3
  • 357 Views
  • 2 replies
  • 0 Helpful votes

Resolved! scenario two subnets one vlan and router

  Hi every body.I have this scenario.I understand it is not the best design practice.  Still just want to know if it works.Sw1  has   one vlan1.  Two  subnets   10.10.10.0/24, 11.11.11.0/24  are used inside vlan1 by different hosts.  " R"  router is ...

sarahr202 by • Level 5
  • 1742 Views
  • 4 replies
  • 0 Helpful votes

Capture/log port issues on switches

Hello,I have a couple of 3750G's that I'd like to point to my syslog and log most issues above the debug level, how can I do this?  I think I have configure the switches to point to the syslog server but I need to set the logging level and I guess th...

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