Other Network Architecture Subjects

Hi,What is the problem if you define a route of last resort instead of default gateway on layer two devices?Ex:ip default-gateway 10.10.10.254ORip route 0.0.0.0 0.0.0.0 10.10.10.254Why we need to define that on layer two device? It works without gate...

How can I load IOS which 5mb long, on 2500 series router that has two 8mb memory sticks?

What is the part number for Catalyst 5505 fan assembly ?

Hello,I recently set up my first, very simple spanning tree network, consisting of one RSTP-capable switch, and several other simple un-managed switches. The topology is as follows:.......HOST...........|.....Managed SW....../.......\.....|......swi...

This is my config:mac access-list extended maccon permit host ?.?.?.? any permit any host ?.?.?.?vlan access-map mac_access 10 match mac address maccon action forwardvlan filter mac_access vlan-list 30 inter vlan 30 mac packet-classifyI have 50 de...

I started with a company and they have fair queue 64 256 0 configured on fast ethernet. I beleive that fair queue was only meant for WAN links 2mps or less. I have noticed many output drops and thought that it was relate to the fair queueing tail dro...

We have 4 2950's utilizing the gigastack technology. The command switch's management vlan is configured layer 3 SVI int vlan 66. I noticed that int vlan 1 goes to administratively down automatically after the in vlan 66 comes up. Also, noticed that i...

Hi: Can I upgrade the Cat2980/2948 from CatOS to IOS?

Is the NM-4E module compatible with the 3725 router?Thanks in advanceNB243

I have a cisco 1750 router. I just got a wic-1enet card for it. the router meets all the requirements for the card, and the slot 0 ok led is on. when I log into the console port and do "show interfaces" all I get is the fast ethernet that is onboard,...

Dear All:I have a 7609 Router with SUP720 installed in module 5 and I have a CMM installed in module 1.For Some reasons, bootflash image in the CMM module was corrupted and the CMM module is stuck in ROMMON mode.I copied the bootflash image in the ot...

i am using a 3550 12G Switch, i would like to implement a Multicasting, if i connect a source with a port 12, and other all 11 ports are connected with a switches 2950, will i configure a 11 ports as a mvr Receiver or not

I am having an issuesgetting the vlan tags to pass to a cisco switch. I tried to use some standard settings but it doesn't work. Does anyone have any experience with Inter-tel phones doing vlan tagging to a catalyst?