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Resolved! Change DHCP network for end users

What is the best way to change vlans so that clients pull dhcp from another scope with the least amount of network disruption?  For example lets say i have vlan 5 that is 172.16.5.x and vlan 10 that is 172.16.10.x configured on a switch.  The access ...

Catalyst 2960 problem with DHCP-TFTP

Hello , I Have a problem I'm trying to configure automatically my switch over ther DHCPwhen I start the switch it request an IP from the DHCP from here everythings is fine but it does nothing more,indeed I put on my dhcp the option 66 and 67 which is...

3750X Switch Stack Stopped Routing Traffic

I have a weird issue that I hope to explain clearly.Toplogy:Access----- Dist.---------- Core3750X ------- 4500X ------- 65093750X - 3 switches in stack w/ redundant power supply and ring stack-power configured4500X - 2 switches in VSS configuration37...

Resolved! Cisco router 800 series port issue

HI,I have router 800 series it has 4 ehternet ports but i when input a command (sh ip interface brief) its shows me only one ehternet port.Other portsa are faulty?? Can you help me why it shows me only one ehternet port.Router#sh ip interface briefIn...

Resolved! Cisco 6500 Switch VSS Trouble-shooting command

Hi all:I am preparing training document for Cisco 6500 series switch.1. For trouble-shooting command for VSS, so far I have gathered below commands :         show switch virtual         show switch virtual dual-active summary         show switch virt...

Dynamic inspection with DHCP snooping

Hi Experts,I have some queries regarding DHCP snooping and Dyanmic ARP inspection.As I have read to enable DIA , there should already be DHCP snooping enabled.If DIA is enabled , any packet coming on any untrusted port, It checks DHCP snooping databa...

DHCP and routing problem

Dear allI have a big problem  , i have  a router which used as IP telephony server and this router is connected to layer 2 switch and the layer 2 switch is connected to core switch , Core switch used as a DHCP server for end users. My IP phones can n...

Resolved! Clear ARP

If a new juniper switch was connected to 3750 switch and I do CLEAR ARP on 3750 switch, do the new MAC-address of juniper will be learned by other switches and firewalls connected to 3750 switch automatically? or do i need to clear arp all devices so...

denz_cruel by • Level 1
  • 13201 Views
  • 3 replies
  • 0 Helpful votes

pxe boot not working on nexus 5548 ports

I got a few esxi server that are plugged into 2, nexus 5548 ports in a port channel configuration.The port channel for the management interface nics is configure on vlan 51. I have a pxe/dhcp server on vlan 51 but pxe booting the server does not get ...

Dragomir by • Level 1
  • 5178 Views
  • 13 replies
  • 0 Helpful votes

Resolved! Cat3560's SNMP IpRouteTable is empty?

Hi, Env: Configured Cat3560's L3 port and vlan port, enable OSPF routing, SNMP server, etc. The routing info can be shown by CLI show ip route. But, using SNMP MIB broswer to read IpRouteTable(OID.1.3.6.1.2.1.4.21.1, MIB-II, RFC1213), nothing returne...

liubo0001 by • Level 1
  • 2450 Views
  • 8 replies
  • 0 Helpful votes
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