Other Network Architecture Subjects

Hi,We have an issue where there is slowness between vlans when mapping drives in MS. Has anyone experienced this? We are allowing the correct ports (135-139 tcp and udp) but when we allow any any tcp or udp on the server vlan (the return traffic) i...

This is an actual output on a Cisco router:Aug 15 15:35:21 192.168.118.2 353071: Aug 15 05:39:24.007 UTC: %SEC-6-IPACCESSLOGDP: list Internet_Secure denied icmp 203.56.182.50 -> 203.X.Y.Z (8/0), 1 packetI've never seen the (8/0) stuff before. Can som...

question 1:Is overflow supported by cisco's ospf implememtation?question 2: Please refer to the following topology: |area 0 __|__10.1.1.1/24 |_RT1_| ...

Hi,Soon I will be using OSPF as routing protocol. We have configured Fastethernet sub-interfaces and using HSRP between the two routers. In serial interface I have defined the priority to make DR and BDR, so just wanted to know do I have to assign th...

I have one 2514(2 ethernet ports)e0, IP 192.168.0.6/24e1, IP 10.0.0.1/82 NICs in my pc, one of them(3COM card) connect internet and get the IP from ISP(dhcp), the another(Intel card) IP is 192.168.0.3/242 ethernet ports of 2514 and Intel card connect...

On a 3500-XL does anyone know of a way to create 1 VLAN that can only see other members of that same VLAN but have a second VLAN that can talk to every port on the switch including those in the first VLAN? Trying to block some contractors from getti...

What MIB value do we use to return the duplex status on a C4506. Is it possible to return the auto-config status of the switch ports also?IOS: cat4000-is-mz.121-19.E.binThanks in advice for any help.

How does CiscoWorks handle backing up the vlan database? From what I understand it just backs up the configuration file so if the switch needed to be replaced how would I get a copy of the vlan database? I've typically worked with managed router so...

I'm trying to setup rapid spanning tree between a pair of 6500's and an HP Procurve 4100. The HP switch only uses one instance of S/T across all vlans, whereas it looks like the Cat by default uses 1 instance per vlan. Is there a way to set the Cat...

Hi all,I've got a design question. The question is: We have 5 sites which will be connecting to each other in a ring/hub fashion via WAN links. The application that is going to be deployed requires bridging on the one VLAN across all sites. I've look...

I am setting up a 2600 series with 2 vwics for 4 T1 lines. How do I configure it to connect to older 2600s with T1 wics on the other end. The old ones are interface serial(#) and these are controller T1 (#)Please E-mail me if you have any info admi...

when i remove access-list using no access-listthe access-group is still in interface.how can i remove the access-group

Hi allI need to know is ther any way to block mac address or particular ip address in the eth port of a router.since we didnt config our switches at our remote locations with any ip.whn we face some probs like smurf attack we r forced to shut the who...

How one can configure the router to generate the SNMP traps for missing IP routes e.g. detecting the missing default IP route using the SNMP Trap