Switching

All, I have a problem with an NLB cluster on a 3750 switch stack. I created static mac addresses to point to the correct ports, and then I created the static arp entries for the address that should be answering on those ports. Internal, it works fine...

Ineed your help.I have a switch 3560G with two VLANS (VLAN 30 - PC's and  VLAN 10 - SERVERS's), I need that only 5 PC's on vlan 30 access to a Server in vlan 10, but the rest of PC's included de 5 PC's  on vlan 30 access to the rest of Servers on VLA...

Hi,I got a WS-C2948G-L3 switch. I created VLAN's using the below commands: Infact I used the Cisco forum to find out this (https://supportforums.cisco.com/message/3206570#3206570)2948G-L3#configure terminalEnter configuration commands, one per line. ...

Let's say I have a 3560x 48 gigabit port switch. It has a network module in it that has 4 SFP slots.Let's also say that one of the gigabit interface ports is open (say, port gi0/48).Is it best practice to make interface gi0/48 the trunk, or one of th...

If the wrong IOS was put on a 3750v2 and it is in a continuous loop. How can you because the hardware does not suppport firmware. How can you put the switch back in a state where you can install the proper firmware ?

How is that used? Is that port up/accessable all the time even during reboot/broadcast storm etc?Is it a port that gets telnetted into?

Hi , we have a Cisco NX-OS(tm) n5000 and we configured the snmp community but,If I get a snmpwalk on the ethernet interface that is working, the output is always 0.This is my query snmp:[root@host ~]# snmpget -v1 -ccomm sw-host ifInOctets.436211712IF...

What is  interface null 0 command in cisco 3560 switches? and what is its significant?

Dear all NetPro gurus,I have a WAN scenario with the following scenario:-Site A (192.168.9.23) ----- WAN ----- Site B (192.168.38.41)This is what happens:-At the beginning of day, doesn't matter what the user did at Site B (192.168.38.41), he can't p...

Can  we bundle a gbic port by reducing its speed to 100 mbps which is equal to speed of fast Ethernet with fast eathernet port?

Hi AllI have two switches 3750, previously these were working fine but dont know due to some problems , now one of these switches is working as provisioned mode and other as master because i have created stack. both have same IOS version. plz suggest...

Uplink fast almost require no time to send the data, means we skip all learning ,listening state..If so how switch will gather mac address and how root port and designated port selection happes?

We are thinking of allowing jumbo frames in our server environment, especially for isci traffic, but i want to double check my interpretation before implementing this (devices to use are 65XX-Sup720 in VSS and 3750-E clusters.Are the following assump...