Other Network Architecture Subjects

On our campus we have bought several Sup4 based cat4500 but we have now been told that there is no support for uRPF check which we rely on for antispoofcheck. Whats worse there is no sign of it coming in future releases since i'm been told that the h...

Hi,we have the following problem. Sometimes (most with WLAN-Clients) if a client request an ip-address from our Registrar DHCP-Server, the server sends the correct information (ip, mask, dns etc.) but don´t mark the assigned ip-address as leased in h...

Hi,for a detailed site planning I am searching for a recommendation from Cisco about the ambient temperature for Switches (2924XL,4500, 6500). In the specifications sheets I have found only a range of 0 - 40 °C and it´s very expensive to cool down a ...

Hi,I'd like to know is it possible to run fax "off ramp" type config on a Cisco3600 series Router? What I want to do is have emails coming into a Router, dealt with by a SMTP Server and then forwarded on as a Fax via the Router using a Mica Modem Car...

I am getting duplicate MAC address messages when doing a capture on my switched network. The frames have the same source and destination MAC's and seem to be all address's starting with 00-04 and are printers. In the Hex data field all I see is link ...

Can anybody provide me partcodes for Cables to be used from 48 Port Splitter to PBX and from splitter to Jackpanel which gets connected to CPEs?Thanks in Advance

We have a major problem on our network. Seems broadcast storms are increasing in frequency and intensity. Basically, here's the topo of the LAN. Dual 6509's with MSFC's. Into them dual connected are a 4003, 4006, and a dozen or so 3548's. Connecte...

I have just started getting these errors on both my MSFC's. I have received these errors on 2 vlans with hsrp running. Here is the log entry:Jul 30 22:29:07 gmt: %STANDBY-3-DUPADDR: Duplicate address 10.66.44.253 on Vlan900, sourced by 0000.0c07.ac5a...

Hi,we have a ghost multicast server. we have configured the multicast routing on the core 4506. but the response time became very high when the ghost is actived. I want to know if I must actived igmp or configured some thing in catalyst 2950 SX to re...

My Cat5K got 3x% CPU utilization. There is around 2x% used for stpBPDUrx process. I have 48 VLANs in my network. My Cat5K is the core switch and trunk the VLANs to the distribution. How can I find which port the receive BPDU come into this Cat5K?

Hii have got myself locked out of my router. All devices on the network have to access the TACACS server for authentication and authorisation. However i think i misconfigured the router and now i cant login... as i get the login prompt but the athen...

1.I have server x.x.x.x connected ot 6509 switch with msfc 2.2. Is their any way to find out the traffic flowing from x.x.x.x to y.y.y.y(remote server). regards, shashank

Dear All I have one problem in my network as when I am trying to ping the Router from Local Lan it is showing packet loss and when I am connected to Router's Console it is showing some messages of CPU HOG.Let me explain the scenario:-We have Cisco 3...

S1 was in an UP/DOWN state and S1.2 was in a DOWN/DOWN state. When I executed the "sh fr pvc" command after AT&T rebuilt my pvc, I noticed that the "last pvc status change" field reflected the config change from AT&T (2min 45 sec.). However, the "PVC...