Other Network Architecture Subjects

I configured a two Router with multicast anf Hsrp,with the next commands:ip multicast-routinginterface GigabitEthernet1.X ( X=1,20,40,50) ip pim dense-mode ip cgmpThis configuration is simetric in the 2 Routers.The conection of this Routers is trou...

I have got this scenario, I have got two routers 2600, Rcentral, and Rremote.I connected these router by serial cable,.I am looking to use ppp authentication chap.First CaseIf I want only Rremote to be authenticated by Rcentral (i.e Rcentralauthenti...

What if any risks are there to configuring all ports to use Jumbo Packets. And what effects will it have on Voip (CCM & Unity )

Hello,my question is the following:i have create a vpn-user on my concentrator 3005.i have create a group and an ip-pool for the group.the user is a member from this group and the vpn connection works fine.my question is, is it possible to give this ...

My network topo is like this:3901-(cip)7507(f1)--host2---(vlan2)6509(vlan3)--host3ip of 3901 is : 10.0.23.18/24ip of host2 is : 10.0.16.1/8ip of host3 is : 10.0.19.35/24ip address of cip is 10.0.23.17/24There isn't defined gateway on host2. And host2...

I am using a router as DHCP server for thin clients unix. The problem is that de server don´t provide de client hostname. Someone knows is the dhcp option 12 is supported by the dhcp server?I have 12.3(14)T1 IOSThanksMarcelo

Hello,We are implementing multiple spanning tree (MST) in our network. VTP version 3 enables you to transport MST configuration to other switches. We have 6500(CatOS) switches as VTP server and Cat4000(CatOS) as VTP clients. I can configure the VTP m...

I am looking if it is available on net, any flash or movies or media activity to explain many concepts of network or router or switch,,,,or arp ,,,,,any thing elaseThanks

NAT Overload works when its translate the source ip to the "legal address" and also translate the source port to a unique source port. ICMP dosent works with ports (as long as i know) how a network device can send icmp packets and recive them while p...

Greetings All,I have a really weird problem with the two Cisco 3745 routers. Both are with VPN bundle.The problem is that whenever I boot the routers up with NM-4B-S/T module,they crash. The same NM-4B-S/T module is when plugged into any other router...

According to this: http://www.cisco.com/en/US/products/hw/routers/ps259/prod_bulletin09186a00800921e4.html it is possible to do 802.1q trunking between a Cisco 2610/11 router and a switch using the ethernet port (not fastethernet) on the router. We ...

Hello,I want the valuable suggestion of all the Experts.Basically currently I am having the option of either go for CCIE Security Track or CCIE Routing & Switching track.SO please suggest which track shall I choose??I am from India & Currently I am h...