Other Network Architecture Subjects

Layer2 multicast forwarding happens between four FE ports on Cisco 4006 switch, and all multicast packets pass through CPU of Cisco 4006, and it lead to very high CPU utilization on Cisco 4006.Cisco 4006 IOS version 12.1(19)EW!ip multicast-routing!i...

Can I configure frame-relay on the 1 Channelized T1/PRI port ? The circuit isn't a PRI but CAS. I am thinking I ordered the wrong hardware to put a serial0 in for the frame relay.I don't see in show ip int brief a serial interface....how come? It h...

Hi all:I am not a wire "guy" but recent issues has required me to wear this hat. Can someone tell me what the cable pinouts from the smartjack to the router (wic/dsu/csu) should be? Thanks for any info!-J

This error was shown during the bootup of a 3640 router.*** GT64010 Master Write Parity Error *** PC = 0xbfc00c08, Cause = 0x4000, Status Reg = 0x3041f003 Failure detected during ROMMON start-up tests. Restart ROMMONWhat does that mean specifically? ...

I got a problem with one of the c6ks with sup2 msfc2. When running native mode,we can access all the file system sup-bootflash, bootflash, slot0. We can see all the files in there. Also under rommon, we can see files in bootflash (sup-bootflash) and ...

Hey guys, i'm new at this so please excuse the inexperience. I just picked up a 2505 to help me study for my CCNA. The problem i'm having is that I can't seem to connect to it. Rather, it doesn't seem to respond to any input commands.I'm connecting v...

On PA-A3-E3 port adapter I've performed an ATM pvc to my ISP with a config like this:interface ATM2/0 ip address x.x.x.x y.y.y.y no atm ilmi-keepalive pvc 0/120 protocol ip z.z.z.z encapsulation aal5snapIt doesn't work but if I use a point-to-poin...

HiI have Stack with Cisco Catalist 3750 ----------* 1 28 WS-C3750G-24TS 12.2(20) C3750-I5K91-M 2 28 WS-C3750G-24TS 12.2(20)SE C3750-I5K91-M 3 28 WS-C3750G-24TS 12.2(20)SE ...

I have 7206 router 12.2(15)T10. Example, how can I redirect any traffic hit a host (outside firewall) tcp port 25 to redirect to tcp port 26?

Dear sir,My Network consists of a cisco 3500 series router,a catalyst 4000 series cisco switch and two leased line modems. We are quite afraid of possible spikes in the elctrical circuit. So I request you to give me information regarding the recommen...

Hi, Below you will find the running-config. For some reason I am not able to access the mail server SMTP 25 through the router. Any input would be greatly appreciated.Thank You,BobbyAuthorized access only! Disconnect IMMEDIATELY if you are not an aut...

Hello group,there is a command, I think it is undocumented, which allows you to see the physical location of memory in a router (e.g. slot 0), I remember it to be something like 'show chips', does that sound familiar to anybody ?Thanks for your help ...

I'm configuring a pix firewall 501 and my ISP told me I must configure it with chap with md5 authentication I use vpdn group pppoex ppp authentication chap command but i can't or i don't know how to configure md5. Does Pix firewall 501 is compatible ...

Is there anyway to config a router to alter the AD that it advertizes out it's interfaces. I need to change the distance from 90 to 170 to match external EIGRP routes?If this is possible will a router that gets an External EIGRP route (170) and an In...