cisco7505多线路负载均衡有哪些解决方案？具体解决方案怎样实现。要求多条线路，负载均衡，也就是在正常情况下，多条线路根据相应策略同时使用，当一旦一条线路故障时，根据相应规则和策略可以自动跳转到其他线路。比如：eigrp协议的负载均衡，或者cef等负载均衡等。有独立的ip地址，所以可以在多条线路上运行。
 

cisco7505硬件和ios版本信息：
7505#sh version
cisco internetwork operating system software
ios (tm) rsp software (rsp-jsv-m), version 12.1(18), release software (fc1)
copyright (c) 1986-2002 by cisco systems, inc.
compiled mon 02-dec-02 22:33 by kellythw
p_w_picpath text-base: 0x60010958, data-base: 0x614c2000
rom: system bootstrap, version 12.0(10r)s1, release software (fc1)
bootldr: rsp software (rsp-boot-m), version 12.1(18), release software (fc1)
7505 uptime is 17 weeks, 6 days, 3 hours, 5 minutes
system returned to rom by reload at 04:18:11 utc thu oct 14 2004
system p_w_picpath file is "disk0:rsp-jsv-mz.121-18.bin"
cisco rsp4+ (r5000) processor with 262144k/2072k bytes of memory.
r5000 cpu at 200mhz, implementation 35, rev 2.1, 512kb l2 cache
last reset from power-on
g.703/e1 software, version 1.0.
g.703/jt2 software, version 1.0.
x.25 software, version 3.0.0.
superlat software (copyright 1990 by meridian technology corp).
bridging software.
tn3270 emulation software.
chassis interface.
2 vip4-50 rm5271 c (6 fastethernet).
6 fastethernet/ieee 802.3 interface(s)
123k bytes of n c memory.
31360k bytes of ata pcmcia card at slot 0 (sector size 512 bytes).
16384k bytes of flash internal simm (sector size 256k).
c register is 0x102
 
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