Other Network Architecture Subjects

On a new T1 line with a pair of new 1721 routers my T1 connection is up for 5-30 seconds then down for 5-30 seconds. DCD and CTS change from up to down.On the same T1 line I put a pair of 1720's that I take off a working T1 line. The T1 line that did...

Guys,I have never upgraded a Sup 720 before and I have a question. Do I simply tftp in the new IOS (12.2.17d.SXB) to the sup-bootflash and that's it? Or do I also have to fire in the same image to the MSFC as well? In other words, two tftps to do ...

Can someone plese explain well the effect of having many MEMD recarves, and also the workaround. I'm experiencing this on cisco 75o7 router.

Hi,I have a problem with 2950/3550 switches not providing the syslog messages about the interface excessive errors. The 3500xl switches had no problem with it. I'm wondering if Cisco removed that type of syslog messages from the 2950s or just forgot ...

Hello,Is it necessary to buy a special license to use a K9 IOS image on a Sup720. The reason of the K9, is we want to manage the switch through SSH.Thanks for your help.Alex

Hello:Our 3640 router is handling burstable traffic...ie, trememndous amount of packets in burts. No way to throttle this on the back end.This is causing almost 10% drop rate on the router. Is there a way to throttle this on the router itself?I ran s...

I have two Cisco 4506s connected via gig uplink ports. There is a DHCP server hanging off one of the swithces. When I plug a PC into the same switch that the server is on DHCP responds immediately. However if I plug the pc into the other switch DHCP ...

We have a few Dell Profile PC's with the Intel Pro/1000 CT and MT integrated NIC's. These PC's are connected to ws-c3524-xl-en switches which are the non-powered switches. This combination of NIC and switch will link-flap and the NIC will not negot...

Hi I am a Jr. Network Architect for my company. I ve just started working a few days ago. I m in the process of configuring thier network infrastructure upgrade. I need to document the whole network. Can someone please forward me with a certain Netwo...

On Cat6500 with native IOS are appear the following message:%MLS_STAT-SP-4-IP_LEN_ERR: MAC/IP length inconsistencies This messages say that a PC with a bad NIC, bad driver or bad application is sending frame errors.But I need to know any IOS command ...

All our remote sites are using AS # 65090 and connect to a MPLS clound with AS # 65000.Inside the clound, I am seeing all routes from all remote sites, but for each remote site I am not seeing the routes from the other remote.Is it because I have all...

Anyone have a router with a cable (earthlink) connection config, i can look over?

We plan to use a network monitoring tool to monitor packets on a 5505 catalyst switch. Somebody told me that I need to configure a port as a monitoring port and another port as a monitored port. How do I do this? is there any documentation that you c...

I've got a router straddling a LAN segment, and a DMZ zone off a PIX. (Don't ask..) Broadcasts from the LAN segment are leaking thru the router, onto the PIX's DMZ, and causing endless Reverse Path Check failures (spoofing).How do I get my router to...

Hi there, I am planning to implement CW SNMS 1.5 and I have a question about maximum number of managed devices. Can I use RME and CiscoView if I have more than 40 devices, but organized in less than 40 stacks ? In other words, do RME and CiscoView se...