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Forum Posts
Imagine I need to document and draw a topology diagram (related to layer 1-3) of an existing data center.What approach do you use to perform such documentation? Do you go physically router by router (or switch by switch) to determine neighbor informa...
Can a Catalyst 3560G-48PS switch perform well as a distribution switch for a LAN of about 350 users, for intervlan routing between two VLANs, where VLAN1 has 250 users and VLAN2 has 100 users? Would this function overuse the switch capabilities? Woul...
Hi allI am in process of migrating ip addresses over to a new scheme, the pc's are currently in vlan 1 and so is the dhcp server. I am putting them in a new vlan and want the dhcp server to issue the vlan a new ip address scope, they will both need t...
Hi, thanks for your help on this quick and basic question:In order to take advantage of a stack of Catalyst 3750 switches, I should just expect to have two NIC's (Network Adapters) onto my servers? That way I would plug NIC1->Cable1->onto Cat 3750 "b...
Resolved! Per-VLAN Spanning Tree
Hi Guys,I want to clear one doubt, please help on this.Cisco says," Per-Vlan Spanning tree(PVST) is a Cisco properietary version of STP. Due to its proprietary nature, PVST requires the use of Cisco Inter-Switch Link(ISL) trunking encapsulation betwe...
Dear Support,I'm a router QoS person, and am completely lost with Catalyst QoS. Seems to be more wrr/srr rather than class-map and policy-mapAm I missing the point or looking in the wrong place?Can anyone point me to a guide that shows me the syntax ...
Hi,Has anyone heard of this "The IEEE Gigabit Ethernet specification does not allow hard-setting a NIC at 1000Mbps". I'm referring to IEEE sepcification.What happen is I'm configuring this non-Cisco device in between 2 Cisco devices which I hard-code...
Resolved! Troubleshooting a P2P T1
I have a point to point T1 Serial interface on a router that is in interface UP, line protocol DOWN status. The telco has pointed to the problem being on one side of the link, where do I start looking? The router has DCD, DSR, DTR, RTS and CTS all ...
Hello everybody,Is there anyone who knows which is the real power consumption and power dissipation (not the maximum listed in documentation)of a Catalyst 3560-48PS?Thanks in advanceAlessandro
I'm working on port monitoring on a 4510 switch and I have a slight problem. We're using Callrex voice recording software and have successfully configured the port monitoring on the voice vlan. Everything works great.In a meeting yesterday with our...
good day, I have a problem catalyst 3560 since he himself after several days, it sends a message to me of which it has low memory, does not allow me to access VTY way and no Console way, after some hour does not respond echo to me ICMP and by ultimi ...
HiI heard that its possible to prevent switch ports from allowing routing protocols to run through it. Does any one know the command for this? I'm going to apply this to a 3750 series E switch?ThanksDan
Resolved! Layer 3 Module problem in Catalyst 4507R
GreetingsI have installed new Cisco Catalyst 4507R Switch with Redundant Supervisor Engines IIPlus.Before that I had the Cisco Catalyst Switch 4006 which was running the CatOS along with three modules installed which are as follows:1. WS-X4232-L32. W...
Morning, is there any way to tell the approximate age of a switch (mfg. date) ?I can approximate by the datestamp on the IOS but was loking for a beter method ? Thanks, Bud.
Redundant 6509s in network each is set to vtp mode server.As both are vtp servers, if changes are made on one of the 6509s will the chg propogate to the other 6509 vtp server or does it require manual update?Each 6509 is configured for even / odd VLA...
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