Other Network Architecture Subjects

Hi!I've set up PVLANs on Cat6k and it works pretty well. For example, 6500 Community ports can successfully communicate to each other and Isolated ports are isolated from each other. Also, I have many non-PVLAN (access) ports on the 6500. Now I need ...

Hello,We have a 2621 router that keeps acting up ever few days, normally in the morning when staff come in. Staff cannot access the Internet at all or any internal servers by either IP or NAME. However, all incoming traffic seems fine. Restarting the...

I've searched but can't find anything helpful...We're rolling out some new network equipment at a number of locations. We've been having some ARP problems. The main router is a 1711, segmenting PC's and an NT print server. When the router is powered ...

Hi All,I'll be opening a TAC case for this issue, however I thought I would run it past the forum to see if anyone has come across this issue.We have a newly installed Cat 6513 switch in the following configuration:Slot 1: WS-X6K-SUP2-2GE (with 512Mb...

Hi,i have a number of 3560 switches, powered and non powered, which i want to stack with the cab-sfp-50cm cables. IOS is 12.2.20SE4.However, i get this error:-%PM-4-ERR_DISABLE: gbic-invalid error detected on Gi0/2, putting Gi0/2 in err-disable state...

Studing for BCMSN and I'm trying to follow the book command to practice creating VLAN and I believe I must have a old IOS sh ver is 12.0(5.1)XP and anybody verify this. Thanks

Two switches were connected over a X-Over cable. I have a Up / Down on the Uplink Ports. Is there any way of determining which switch end is technically loosing recieve or losing transmit for any of the debug Info.i.e if i removed the X-Over from 1 s...

Hello Cisco, I support a Cisco cat switch with the following codes WS-C6509 Software, Version NmpSW: 6.3(5). My question, It seems I cannot add more then one SNMP string to this device, is this true? And if so, What If I update the set snmp commu...

Hello,following Situation:Internet--Cisco 836 Router--PIX--Home NetworkBehind the 836 Router also some Servers are attached.When i make a traceroute from Home Network to Outside the ROuter is on the hop list, the pix is not. how can I make the pix ap...

Hi,This afternoon my Catalyst 6513 have some problem :2005 Apr 21 14:35:55 TPE +08:00 %SYS-5-MOD_NOSCPPINGRESPONSE:Module 1 not responding... resetting module2005 Apr 21 14:35:55 TPE +08:00 %SYS-5-MOD_RESET:Module 1 reset from Software2005 Apr 21 14:...

What is the best way to boot a CAT if you have bootflash and a PCMCIA card in the chassis?Is it boot from bootflash and then PCMCIA card if the image in bootflash is corrupt?Or is it boot from card and then bootflash if the image on the card is corru...

Hi, I want to implement data center transit with same subnet coexist on two data center. And I will use mobile ip to do that. My core 6509 doesn't support HA+FA+MR mode and I don't want install mobile ip client software on each server. So I test '...

Hi,We have a stack of 10 2950-48 switches with 4 vlan configured, that stack is connected via trunk to a 6509 switch. Now everytime we are ghosting pc's on the same vlan our 6509 switch utilization goes up > 75%. What do you guys think is causing thi...

Hi folks,Someone knows if in the Lan switching environment, with STP topology, when a device like a switch has a port ethernet connected by a UTP cable in a Access point Wireless, this port should be in spanning port fast disable, because the AP cons...