试题详情
- 单项选择题Two BGP peers connected through a routed firewall are unable to establish a peering relationship. What could be the most likely cause？（）
A、BGP peers must be Layer 2-adjacent.
B、EBGP multihop is not configured.
C、The firewall is not configured to allow IP protocol 89.
D、The firewall is not configured to allow UDP 179.
- B
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