Cisco
350-060 · Question #77
An ISP has an IP/MPLS core network. Recently, after replacing low-capacity routers with two Cisco Carrier Routing System routers, customer has complained about reduced application performance (slow…
The correct answer is E. The default interface MTU setting of 1500 bytes on the CRS-1s is causing MPLS packet fragmentation. See the full explanation below for the reasoning.
Question
An ISP has an IP/MPLS core network. Recently, after replacing low-capacity routers with two Cisco Carrier Routing System routers, customer has complained about reduced application performance (slow website access). What is the most likely cause for this issue?
Options
- AAfter the two CRS-1s are inserted, other low-capacity routers are not up to the forwarding performance
- BThe addition of two CRS-1 routers has caused increased queuing latency.
- CPacket forwarding on the CRS-1s are processed by the RP CPU.
- DThe policer used by LPTS on CRS-1s is dropping some traffic.
- EThe default interface MTU setting of 1500 bytes on the CRS-1s is causing MPLS packet fragmentation.
How the community answered
(59 responses)- A3% (2)
- B2% (1)
- C10% (6)
- D2% (1)
- E83% (49)
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