Routing

As I study for my CCNP recert, I keep seeing the word "Tag" talked about in documents for multiple protocols. I'm making good use of the Cisco site for most questions, but the concept of tags eludes me. Are route tags just something in the header t...

Hi,Can someone explain me what is the difference between these 2 commands, they provide the same output Mac adress, I did not get why we have 2 differents kind of commandsPlease adviseRegards,

Is it possible to redirect clients request for http://www.mcu.com to 192.168.100.6. This is something a DNS server would do, however I was wondering if our CISCO router 831 could do this. In which case I don't need a DNS server? I didn't mention that...

Hi,how many paths can I have in load-sharing with EBGP?With the command-lookup table I have seen that the maximum is 6 and after the 12.3(2)T it was increased to 16.But the problem is that I have some platforms like (7600 ; 12000) where I have: (con...

Recently I have prepped and shipped a router to the UK. Over there, their provider (British Telecom) provided the Csu/Dsu. Shall I expect the same in Germany??? Also if I was to employ ISDN as backup, should I be looking at an S/T Bri wic???? That in...

Hello,I have this config:track 123 rtr 1 reachabilityrtr 1 type echo protocol ipIcmpEcho 195.53.168.121 timeout 200 frequency 10rtr schedule 1 life forever start-time nowI want that if rtr fails 3 times, the reachability change to down. ¿which is the...

Hello,I have one router 1751 with wic-1am and 3825 with nm-8am-v2. What am doing is to configure DDR Back when my primary serial link goes down.The router 1751 is the " Calling Router" and 3825 is the "Called Router".The problem is when the serial in...

hi all,i would ask u some information about my problem. Recently i added to my network a ls1010 on top of my 7200 bras as collector for my xdsl. I noticed a strange problem on one of 7200s. Sometimes adsl goes down, cd led is still light on but it do...

i have an adsl router connected to my pix firewall. I wanted all incoming VPN traffic in my ADSL unterface to be mapped to the ip address of my firewall which is the outside interface.how can i acieve this.iam attaching the adsl router config.

Hello,I am trying to send data from GigE1 to ATM1/0 to ATM2/0 to GigE2. My real intent is to send Multicast data, but have since backed out the Mulitcast commands, just focusing on getting ICMP pings to pass. My configuration is as follows:Current co...

Hi,consider there are three routers R1( prio 4 , DR) , R2(prio 3, BDR), R3 (Prio 2, DROther).Consider another router R4(Prio 5) has joined this network.Since DR/BDR is alive, R4's higher priority won't affect the network.What happens if DR goes down,...

I recently purchased a 2821, (2) VWIC2-1MFT-T1/E1, and the Enterprise Services feature pack. I have been unsucessful with configuring the T1 cards. while under config, I have no interface serial. Do I need to change an option on the board or turn on ...

Hi all,Our companies backbone runs over an international MPLS cloud. Every site runs locally EIGRP and the cloud itself runs BGP. All ok, however this MPLS cloud is not multicast-enabled.I was playing with the idea of implementing dynamic mGRE tunnel...