Other Network Architecture Subjects

I’m confused as to why the default CoS to DSCP values are as they are on Cisco devices. I understand that the remapped values of 26, 34 and 46 equate to PHB labels, whereas 24, 32 and 40 don’t. But why would you leave them as they are and not chang...

A show buffers command on my 3750 Cisco stack shows one of the Interface buffer pools failure count continuously incrementing:supervisor_cpuq_2_pool buffers, 1542 bytes (total 64, permanent 64): 0 in free list (0 min, 64 max allowed) ...

I am a small business owner, and I am trying to work from home versus the office. My network requires performance as well as security. I have recently purchased the Cisco 1760VPN-K9/A modular router with the WIC-1ADSL interface.I have configured th...

Hi,We have a set of IGX boxs running in our WAN network.Now we need to add a New Box which have OS 9.3.36 and the exciting IGX's have OS 9.3.11.I need to downgrade the new box, can any one help me for this task.Thanks & Regards

Hilately i have seen lot of collison on my 1603R router. i am unable to locate the source of collison Can any body guide me how to chk this outSecondly every day morning my router hang with error as shown below________________________________________...

Hi all,We've been having a problem recently with the way CEF is working on our 2611. What we've noticed is that on outbound traffic, one T1 is preferred significantly over the other 2 T1's. Sometime's we'll have as much as 94% utilization on the on...

Dear AllI have a 3640 with 2 ISDN PRI, I use dialer interface to dial out to sites, I limit the number of channel that a dialer can bringup but the max-link number doesn't match the real # of channel dialed, attached is the dialer debug message confi...

Hilately i have seen lot of collison on my 1603R router. i am unable to locate the source of collison Can any body guide me how to chk this outSecondly every day morning my router hang with error as shown below________________________________________...

I got a problem of booting of cisco2522.When I power on the router, I alway see such error message by hyperterminal:System Bootstrap, Version 5.2(8a), RELEASE SOFTWARECopyright (c) 1986-1995 by cisco Systems2500 processor with 14336 Kbytes of main me...

Hi, upon bootup the router issues the following error & continues the exact process:"System Bootstrap, Version 11.0(10c), SOFTWARECopyright (c) 1986-1996 by cisco Systems2500 processor with 14336 Kbytes of main memoryLocal Timeout (control reg=0x118)...

So far we have rapid pvst running on our core and pvst, mst running on the access layer. We have turned spanning tree off on a number of vlans on the access layer because of the huge amounts of loops we had on the flat network that used to be in pla...

When I try to put a keepalive on a frame-relay subinterface, (S2.2) I get a reply of "Unrecognized Command". Why is this command not allowed at a sub interface? If you are wondering why I am wanting to use it there, I have been having problems setti...

I am new to configuring Cisco switches and would like some assistance. Our network is a campus network and we will have two 3550's in our core and in another new building we will have two other 3550's. We have non-Cisco switches at the access layer...