can we have two ABRs in the network?   Yes, we can have. Having one ABR is like a single point of failure. So, it's better to have two ABR for redundancy purpose. But, we need to use in a proper way otherwise sub-optimal routing may happen.   Refer t...

can we have two ABRs in the network?   Yes, we can have. Having one ABR is like a single point of failure. So, it's better to have two ABRs for redundancy purpose. But, we need to use in a proper way other wise suboptimal routing may happen.   Refer ...