问题：

[单选]

Following ticket consists of a problem description and existing configuration on the device.

Figure 1

Figure 2
Trouble Ticket Statement
Client 1 is not able to reach the WebServer. Initial troubleshooting shows that DSW1 can ping the Fa0/1interface of R4 but not the s0/0/0/0.34 interface.
Configurationon DSW1
router eigrp 10
network 10.1.4.4 0.0.0.0
network 10.2.1.1 0.0.0.0
network 10.2.4.13 0.0.0.0
no auto-summary
Configurationon DSW2
router eigrp 10
network 10.1.4.8 0.0.0.0
network 10.2.2.1 0.0.0.0
network 10.2.4.14 0.0.0.0
no auto-summary
Configurationon R4
router eigrp 1
network 10.1.4.5 0.0.0.0
no auto-summary
redistribute ospf 1
On which device is the fault condition located？（）

A . DSW1
B . DSW2
C . Client 1
D . R4