Доброго дня !

interface FastEthernet0
ip address x.108.113 255.255.255.240
speed auto
!
interface Serial0
ip address x.105.98 255.255.255.252
no ip unreachables
no ip proxy-arp
no cdp enable
!
ip classless
ip route 0.0.0.0 0.0.0.0 Serial0

С нее:
#ping x.108.114

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to x.108.114, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms

#ping
Protocol [ip]:
Target IP address: x.108.114
Repeat count [5]:
Datagram size [100]:
Timeout in seconds [2]:
Extended commands [n]: y
Source address or interface: x.105.98
Type of service [0]:
Set DF bit in IP header? [no]:
Validate reply data? [no]:
Data pattern [0xABCD]:
Loose, Strict, Record, Timestamp, Verbose[none]:
Sweep range of sizes [n]:
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to x.108.114, timeout is 2 seconds:
Packet sent with a source address of x.105.98
.....
Success rate is 0 percent (0/5)

Gateway of last resort is 0.0.0.0 to network 0.0.0.0

62.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 62.141.108.112/28 is directly connected, FastEthernet0
C 62.141.105.96/30 is directly connected, Serial0
S* 0.0.0.0/0 is directly connected, Serial0

00:48:00: ICMP: time exceeded (time to live) sent to x.36.193 (dest was x.108.114)
00:48:01: ICMP: time exceeded (time to live) sent to x.36.193 (dest was x.108.114)
00:48:01: ICMP: time exceeded (time to live) sent to x.36.193 (dest was x.108.114)

00:21:11: TCP src=3342, dst=445, seq=2004142588, ack=0, win=65535 SYN
00:21:11: IP: s=83.30.20.148 (Serial0), d=x.108.116 (FastEthernet0), len 48
, encapsulation failed

00:21:13: ICMP type=0, code=0
00:21:14: IP: s=83.30.20.148 (Serial0), d=x.108.116 (FastEthernet0), g=62.1
41.108.116, len 48, forward

00:21:14: TCP src=3342, dst=445, seq=2004142588, ack=0, win=65535 SYN
00:21:14: IP: s=83.30.20.148 (Serial0), d=x.108.116 (FastEthernet0), len 48
, encapsulation failed

00:21:20: TCP src=3342, dst=445, seq=2004142588, ack=0, win=65535 SYN
00:21:20: IP: s=83.30.20.148 (Serial0), d=x.108.116 (FastEthernet0), len 48
, encapsulation failed

00:21:23: TCP src=1640, dst=445, seq=1935020092, ack=0, win=16384 SYN
00:21:23: IP: s=62.234.45.202 (Serial0), d=x.108.126 (FastEthernet0), len 4
8, encapsulation failed

00:21:26: TCP src=1640, dst=445, seq=1935020092, ack=0, win=16384 SYN
00:21:26: IP: s=62.234.45.202 (Serial0), d=x.108.126 (FastEthernet0), len 4
8, encapsulation failed

00:21:54: TCP src=4075, dst=445, seq=2518099926, ack=0, win=8760 SYN
00:21:54: IP: s=62.174.75.133 (Serial0), d=x.108.119 (FastEthernet0), len 4
8, encapsulation failed

00:21:54: TCP src=4075, dst=445, seq=2518099926, ack=0, win=8760 SYN
00:21:54: IP: s=x.252.242 (Serial0), d=x.108.120 (FastEthernet0), g=62
.141.108.120, len 28, forward

00:21:54: ICMP type=8, code=0
00:21:54: IP: s=x.252.242 (Serial0), d=x.108.120 (FastEthernet0), len
28, encapsulation failed

00:22:01: TCP src=3116, dst=445, seq=3885920416, ack=0, win=65535 SYN
00:22:01: IP: s=x.126.244 (Serial0), d=x.108.118 (FastEthernet0), len
48, encapsulation failed

00:22:03: ICMP type=0, code=0
00:22:04: IP: s=x.126.244 (Serial0), d=x.108.118 (FastEthernet0), g=62
.141.108.118, len 48, forward

00:22:04: TCP src=3116, dst=445, seq=3885920416, ack=0, win=65535 SYN
00:22:04: IP: s=x.126.244 (Serial0), d=x.108.118 (FastEthernet0), len
48, encapsulation failed

00:22:20: ICMP type=8, code=0
00:22:20: IP: s=x.237.166 (Serial0), d=x.108.119 (FastEthernet0), len
28, encapsulation failed

Извините, что так много :-))) но ... совсем крыша уже съезжает :-(((

И еще комментарий. x.108.114 - как всегда, какой-то непонятный буржуйский устройств.

Уже полез капаться в таймаутах и пр. хрени ФастЕзернета !!!

Где ВИЛЫ !?!?! Помогите ПЛИЗ !!!

ЗЫ: Чуть не забыл.
#sh arp
Protocol Address Age (min) Hardware Addr Type Interface
Internet x.108.118 0 Incomplete ARPA
Internet x.108.115 0 Incomplete ARPA
Internet x.108.114 33 0010.f305.2a46 ARPA FastEthernet0
Internet x.108.113 - 000f.237f.5846 ARPA FastEthernet0

Заранее благодарю