- Hybrid IGP using DUAL (Diffusing Update Algorithm).
- Using RTP ( reliable transport protocol) , port 88
- Multicast to destination 244.0.0.10 (TTL = 0 ) , using RTP , the receiving neighbor unicast an acknowedgment.
- Unequal-cost load sharing up to 16 link.
- EIGRP does't form neighbors over secondary network/Ips.
- EIGRP su dung gia tri router-id de chong loop external.
- IOS- router id highest
- IOS-XR router id lowest
Advan :
+
mạng hội tụ nhanh.
+
support VLSM and CIDR.
+
support authentication.
Note :
- EIGRP sử dụng hello protocol giữa neighbr to enable early detection of neighbor and hội tụ nhanh. Bình thường distance-vetor protocols rely on routing update timeouts to detect this condition.
- EIGRP sử dụng RTP để gửi và nhận routing update, which eliminates the need for periodic full update.
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