Switching

Hi. I'm currently looking at purchasing a layer 2 10/100/1000 switch, possibly a 2930G which the Presales dept suggested. My main concern is that the switch be able to shut down a port in the event of a broadcast or multicast storm, or mac flooding...

Hi all. I have two subnets connected by an 1811 router. One is 172.17.0.0/16 the other is 192.168.250.0/24. How can I allow 192.168.250.0 browse Network Places of 172.17.0.0/16 but not allow 172.17 to browse 192.168.250.0?

I need to upgrade 20+ 6500 switches (6506s and 6509s) to SUP32 from SUP1A and don't have physical access to them at this time. I need to verify if these switches have High Speed Fans and would like to know if there is a command I can enter to check t...

Working more on my lab. Running BGP across frame MPLS (two different providers) and EIGRP on internal network; distributing BGP into EIGRP but not the other way around. Works okay except that now, I'd like to have each router advertise itself with e...

Hi, I'm trying to build VLAN on my network using Catalyst 2940. My principal network is 192.168.0.0 255.255.255.0My cisco catalyst is 192.168.0.252I build a VLAN 2 192.168.1.252 255.255.255.0How may I do to allow a PC connected on a VLAN 2 port to ge...

Hi all, if I want to establish vpn tunnels behind my router, to my firewall, can I just port forward the vpn ports to it? and where is the natting done, on the fw or router, also would the firewall be in routed or transparent mode ?

Our network department is interested in acquiring a high level Simulator to use for testing and applying different networking designs and concpets. Could anyone tell me what kind of Simulator that we should consider? Thanks in advance, sK

Hi,I'm trying to find which OID's I need to use for the next parameters in a 2801 router: -temperature. -Used RAM. -max bandwith used in a period of time.I search in SNMP Object Navigator, but some of the OID found there don't give me any re...

Hi allAfter reading about the ipsec vpn, am i right in saying there is no encapsulation involved, it is purely routed ip and only encryption unlike l2tp and pptpis this correct

Hi,I need to know the step to recover the corrupted vlan database in 2950 switch please send me any URL to solve the above issueRegards,Vinoth

Hi everyone,we have a Cat 6500 running 12.2(33)SXH which generates the following Logmessage:10:09:51.760 FW[Mod 01]: METROPOLIS #1 cnt=4 reg:[1B0]kic_kic_int 0222:22:56.696 FW[Mod 01]: METROPOLIS #0 cnt=5 reg:[1B0]kic_kic_int 0222:22:56.696 FW[Mod 01...

HelloI have a server which is serving secure web pages. However from time to time the websites stop responding, but the server is still working fine. This server only serves webpages for office members. (ie it's intranet, so no outside access allowed...

Hi AllWe need to extend a L2 VLan across 2 sites. We not want routing in place. We just want the devices in say vlan 52 at both sites to communicate with each other but not use the network (Layer 3).The 2 sites are connected via Serial link or MPLS.T...

Helloif i turned IPV6 off on My 720,these commands has effect or no need for it?Router(config)# ipv6 access-list acc-grp-1Router(config-ipv6-acl)# deny ipv6 any host ff04::10Router(config-ipv6-acl)# permit ipv6 any anyRouter(config-ipv6-acl)# interf...

Hi Sir,I have configured Private VLAN on a Catalyst 6513 running Cisco IOS software.VLAN 20 is a primary VLAN and its associated secondary VLAN is VLAN 21 (isolated VLAN).A Nortel blade switch is connected to the Cat6513. How do I extend the PVLAN to...