单位cisco 2600路由器，忽然提示：正在连接。。。。。。一直接不上，只得换路由器。不晓得是什么原因。我把启动后的参数贴出来，请高手帮忙分析一下，谢谢：
  Booting.....
Self decompressing IOS p_w_picpath:##################################################.
IOS p_w_picpath checking...[OK].
Loading.............[OK].
Serial NO:YIKE-7889
System Update Date:2009-08-26
System Boot, Version 11.04, RELEASE SOFTWARE
Copyright (c) 1999-2008 by Shanghai YIKE Info.Tech.Co.,Ltd.
All Rights Reserved.
        Shanghai YIKE Info.Tech.Co.,Ltd.
        http://www.yikenet.com
        Pudong Software Foundation 021,58399861
YIKE Router Operating System Software
YIKE ETCROS 2600EN Software, Version 12.03U, RELEASE SOFTWARE
Copyright (c) 1999-2008 by Shanghai YIKE Info.Tech.Co.,Ltd.
All Rights Reserved.
YIKE ETCROS 2600EN Software support Base Configuration:
        CPU   : Intel XScale 425(533MHz)
        FLASH : 16MB
        SDRAM : 128MB
        Configured Interface:
            Slot 0:FastEthernet interface(s).
            Slot 1:FastEthernet interface(s).
            Slot 2:Serial(sync) network interface(s).
            Slot 3:Serial(sync) network interface(s).
            Slot 4:Printer interface(s).
            Slot 5:USB interface(s).
            Slot 6:8 ports Async interface(s).
Press RETURN to get started!
00:00:43 Async1(N2)-line changed state to up.
00:00:43 Async1(N2)-line protocol changed state to up.
00:00:43 Async2(N2)-line changed state to up.
00:00:43 Async2(N2)-line protocol changed state to up.
 
  请问是什么原因，是否是软件原因，又怎么解决，谢谢