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Exam 300-101 topic 1 question 211 discussion

Actual exam question from Cisco's 300-101
Question #: 211
Topic #: 1
[All 300-101 Questions]

In which scenario can asymmetric routing occur?

  • A. active/active firewall setup
  • B. redundant routers running VRRP
  • C. active/standby firewall setup
  • D. single path in and out of the network
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Suggested Answer: A 🗳️
What is Asymmetric Routing?
In Asymmetric routing, a packet traverses from a source to a destination in one path and takes a different path when it returns to the source. This is commonly seen in Layer-3 routed networks.
Asymmetric routing is when a packet returns on a patch that is different from a path that the traffic was sent. This can be seen in normal situations when there are multiple paths to/from a destination. It can also be seen in misconfiguration situations such as a server having two NIC's for load balancing and it's instead routing between them.
by ReikiDude at Oct. 15, 2019, 3:36 a.m.

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freis_rjo
5 years, 6 months ago
the correct answer is B
upvoted 2 times
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Penn
5 years, 7 months ago
it can occur in an "active-active" setup regardless of the device and can be mitigated. B can be an active-standby VRRP redundant setup.
upvoted 3 times
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ReikiDude
5 years, 8 months ago
the correct answer is B, active/active firewall not cause the issue if they not keep session state of connections
upvoted 2 times
...
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