Other Network Architecture Subjects

Hope someone can help...I've set up 2 3750's with common vlans and trunks back to a pair of 6506's acting as a backbone. Unicast/Broadcast traffic between servers on the same lans on both 3750's is ok.Set up igmp snooping on all devices. No multicast...

We are planning to replace the second sup live on a very busy 6513.What is the risk?What would you expect?I have installed the same OS and IOS ver as the existing.Any other preparation recommendations?Thanks for your time.Tom

Hi,IP Distributed CEF switching enabled, not showing on the interfaces.We have a couple of 6509 at our site and they´re almost identical when it comes to hardware/software and cards.We don´t have any problems with them but we´ve notice one "feature"...

Hello,I have configure a DHCP server on the cisco router to configure all the station on the LAN.The problem is that the Winfows XP does not get the new "binding" when the router say that the new binding is OK.When i do an "ipconfig /release" and "ip...

Guys,How do I tell if a packet is hitting a CEF adjecancy?All my packet and bytes output below shows ZERO.Also, what on earth is a CEF EPOCH?Kind regards,Ken3750switch#sh ip cef ad g1/0/8 192.168.254.1 detIP Distributed CEF with switching (Table Vers...

When flash is upgraded for 64MB, I used 2 32MB flash cards. I used xmodem utility for IOS upload.I am getting the following error?Erasing Flash at location 0x30000000 failed.Error code 0x20202020What kind of failure it indicates ?Waruna

I've been asked to configure a data center solution for a customer .The DC would host about 150 servers most of them with Gigabit ethernat NICs I've thought to use a Cat 6500 core switch but I found that without the fabric module the bandwith is 32 G...

i have a cisco switch (catalyst 2900XL) connected to a core switch (catalyst 4500).using a sniffer (ethereal), I'm seeing HSRP traffic (and other unicast traffic like telnet) from a station connected to a port of the switch (cat2900XL).this port is n...

dears, i have a very simple question but the answer is very important . because if i have not the answer i will have to travel thousands oh kilo meters.i want to get the serial number of a remote router by a command . ...

Hey guys I know this is a simple question but i havent done it in a while and Iwant to make sure im doing it rightHeres what i have I have a 355012G as the core with MMF to a 2950G-24 lets call this 2950#1 I have 5 Vlans Defined on the 3550.I also h...

We recently had a major network outage, resulting in an attempt to trunk cat 5505's back to a cat 5513 using ISL trunking. Using a variety of different harware and software configurations produced no results... It was only until we trunked the 5505'...

When using voice and LRE for data, how many pairs are needed to support the LRE?

I am struggling to really understand how to use a Loopback interface for management purposes on my Cat4507 switches and looking for any guidance.I have 4 x 4507's 2 for aggregation(L3) and 2 for access layer (L2). There are 6 vlans doing the L3 thin...