Routing

Consider a scenario that looks like: Ten /24 subnets (Red), Ten /24 subnets (Blue), Ten /24 subnets (Green).  Dynamic auto NAT (PAT) Inside to Outside for Internet.   Option 1:  Create 3 large IP pools Red_Pool, Blue_Pool and Green_Pool then NAT RED_...

Hey everyone   I'd read once that auto-summarization won't work if a router connected to the same classful address. So I use manul summarization with ip summary-address if-subcommand   Here's what I got    R1-(gi0/0)---10.0.12.0/30---(gi0/0)-R2   Rou...

IOS c1700-advsecurityk9-mz.123-14.T5.binWhy do I have to remove the command ip verify unicast source reachable-via rx allow-default allow-self-pingfrom the interface to get DHCP to work to my ISP?Interface configinterface Ethernet0/0 description Outs...

Hello world, A cisco 3725 router used in one of branches at my organization is hard down. We tried power-cycle, change cables, never came up. We're working with an external vendor and they asked to provide licence information we have on it with "show...

Hello,   I have a BGP question. One of our customers has a problem with latency to certain IP addresses, lets say, 11.11.11.11 and 11.11.12.131. Those IP addresses are all part of a /19 prefix record in ARIN, say 11.11.0.0/19. We have two upstream pr...

Hi, The query here is what is selected first: The DR or the BDR?From the selection process, it seems that the BDR is selected first and then DR. If there is no DR present, then the BDR becomes the DR. My second question is, how do the routers vote ...

Please go through the below sample set of access list. I see standard and extended acl combined and I also see several lines repeating, it's bit confusing. In cisco asa firewalls lines will has a sequence but in router its bit confusing.   My questio...

Sir,   I have 2 ISP connection in my Infra and primary is MPLS who working on BGP protocol and secondry is Point 2 point who is working on Static route. I need to do a fail-over between BGP to static vice versa     Thanks regard  Mohsin Hiroli