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3750 Xswitch

Hi AllI got a new switch 3750X and I load a old IOS from a  stack  switch currently running, after I reboot with the old IOS the 3750X switch is running in a loop all the time, Cisco send me a recovering process, but I can not break the loop.I try <c...

Question about 3750 and MIB

Dear MisterI have a 3750, whit a problem of high CPU utilization.The log show the next message:Dec 26 13:25:58: %SNMP-3-CPUHOG: Processing GetBulk of lldpRemEntry.8Dou you know what it´s means??lldprementry is a summary of "LLDP REMOTE ENTRY". But, w...

DHCP on 3750

Hi team,We want to configure DHCP Server on 3750 Switch in which there are number of vlans but we want to configure DHCP pool for only one vlan.can we configure DHCP server on 3750 with exclude ip address for same vlan.Pls Suggest or share any suppor...

makpak111 by • Level 1
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  • 5 replies
  • 0 Helpful votes

Resolved! 3750 stack - what if one dies?

Suppose two 3750's are connected in a stack configuration - SwitchA and SwitchB.If I have a router connected to g0/0 on SwitchA, and then SwitchA dies, I'm out of luck - connection to the router is lost.  What's the best way to add redundancy here? I...

Resolved! cable modem,DSl connection

Hi every bodyLet say i have a computer at home needs to be connected to internet.Case 1: i opted for cable ISP.pc---ethernet-----Cable modem------------Cable isp.my question what data link layer protocol is used between cable modem and cable Isp?  I ...

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

Resolved! Private-vlan (PVLAN) not any option in FE but only vlan-interface only in Cisco 3550

Dear Members,There is no any private-vlan option in fastEthernet only but there is in vlan interface option  of private-vlanCISCO-3550(config)#vlCISCO-3550(config)#vlan 34CISCO-3550(config-vlan)#priCISCO-3550(config-vlan)#private-vlan ?  association ...

Resolved! 12.2(33)SXH - I branch

Can anyone tell me why the IOS 12.2(33)SXH train branched to SXI after SXH3a? Any reason to use one over the other?(Yes, I have used the feature navigator...).Thanx-michael

Resolved! ACL on VLAN doesn't match

To block traffic between Access Points connected in diferent VLANs to the WLC VLAN (VLAN300) I have the next configs:SWPPAL#sho access-lists Extended IP access list 102    10 deny udp any any range 12222 12223    20 deny udp any any range 5246 5247  ...

Resolved! OSPF with spanning tree

Hi there Merry Xmas..We have two 3750 core switches and one mpls switch.Core Switch B connects to switch A via port channel. The Mpls switch connects directly to switch A.Switch A is hsrp active for all vlans.We would like to connect the MPLS switch ...

Resolved! Different CF size in Slave Sup720

Hello All- Would there be any problem with a different size CF card for disk0: on the slave SUP? We have some 1GB CF cards (MEM-C6K-CPTFL1GB) we want to use in the active SUP, and the standby would have a 512MB. We are using Sup720/MSFC3 (WS-SUP720-3...

MTU settings

A question was recently asked regarding MTUs and I am not sure how to respond.My office had Cisco complete an Optimization Review of our network and one of the items that was pointed out was that our MTU size across our WAN link needed to be reduced....

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