Routing

Hi,I am working on a project for data center migration. I would like to know the design solutions and their comparisons for DCI.For example,1)Which solution is best: Using L2 extension over L3 or using L3 to interconnect two DCs.2) Retaining the L2 d...

I just put a 6182 controller card in my Cat6500 - when I set the 10/0/0 timeslots I don't get a interface Serial10/0/0:0 - Like I would normaly see from a controller card. They only thing I see isinterface Port-channel10 no ip addresscontroller T1 1...

In port mirroring, do I need to configure my probe with ip address?

I'm looking for some good technical explanations on what affect unicast flooding or just excessive unicast traffic can have on a network. I know that my network's cam and arp timers are out of sync and unicast flooding is occurring every 5 minutes, b...

Hello Everyone,I have three general questions regarding our new T3 router configuration.Question 1:The I received the first bit of config info from the ISP:interface Serial1/0ip address 10.0.0.1 255.255.255.252encapsulation pppload-interval 30dsu ban...

I'm trying to determine the best way to prefer 1 default route over the other. I have a dozen or so remote sites and all of them need to prefer the same default route except for 1 location. I've prepended my AS to the less desirable default route a...

Hi, our serial interface recently went down and I'm trying to figure out why but I'm not sure what the lights on the card mean. The lights on the card are LP, AL, CD. The LP light is blank, the AL light is orange, and the CD light is green, but bo...

I have to create access to the list of services via NAT.Some times inside global IPs (IP that is seen to remote side) are equal for different services.What is the best practice - create pool on per service basis, e.g.ip nat pool SERVICE1 1.1.1.1 1.1...

I am attempting to do a password recovery on a Catalyst 2955 but it will not accept a break sequence to allow me into flash (there is no mode button on this model). I have tried several terminal clients (Secure SSH, Putty, Hyperterminal, Etc) and I h...

Hi folks, imagine from a router name 'NAP', I do 'show ip route CRA' and I see the routing table info right there to CRA. Then I attempt to ping CRA and it times out. If I go to CRA, I can ping NAP successfully. I know already that if I do redistribu...

Hi People,I have a router which has 2 ISP connections into it. I have configured an IP SLA to ping an address out the primary ISP interface and install a default route when reachability is up.The problem is, the reachability status is up, the IP SLA...