《GLBP基础配置》由会员分享，可在线阅读，更多相关《GLBP基础配置（3页珍藏版）》请在金锄头文库上搜索。
1、 所用运行 GLBP 的设备默认都是一个 AVF。每三秒发一次 Hello 包，发送地址为224.0.0.102，使用 UDP 端口 3222，通过 Hello 选举 AVG。AVG 去定义 MAC 地址，为每个设备定义一个虚 MAC 地址。AVG 回应 ARP 的请求报，为请求者分发虚 MAC 地址。如果某个设备的上行链路出错，则通过 Hello 移交数据包的虚 MAC 给另一个设备。AVF 的转发负载比率可以通过 weighting 参数进行设置，weighting 值默认为 100，每次出错 weighting 值默认减少 10，减到最低时该设备将不会成为 AVF基本配置：interfa
2、ce FastEthernet1/14no switchportip address 100.1.1.2 255.255.255.0glbp 1 ip 100.1.1.1glbp 1 priority 110glbp 1 preempt查看：SW1#sho glbp brief Interface Grp Fwd Pri State Address Active router Standby route Fa1/14 1 - 110 Active 100.1.1.1 local 100.1.1.3 Fa1/14 1 1 7 Active 0007.b400.0101 local - Fa1/1
3、4 1 2 7 Listen 0007.b400.0102 100.1.1.3 -追踪路由：track 1 ip route 0.0.0.0 0.0.0.0 reachabilityinterface FastEthernet1/14no switchportip address 100.1.1.2 255.255.255.0glbp 1 ip 100.1.1.1glbp 1 priority 110glbp 1 preemptglbp 1 weighting track 1 decrement 20调整权重范围：interface FastEthernet1/14no switchporti
4、p address 100.1.1.2 255.255.255.0glbp 1 ip 100.1.1.1glbp 1 priority 110glbp 1 preemptglbp 1 weighting 110 lower 91 upper 105 初始值 110，低于 90 失去 AVF 资格，大于 105 恢复 AVF 资格glbp 1 weighting track 1 decrement 20GLBP 认证：interface FastEthernet1/14no switchportip address 100.1.1.2 255.255.255.0glbp 1 ip 100.1.1
5、.1glbp 1 priority 110glbp 1 preemptglbp 1 weighting 100 lower 90glbp 1 authentication md5 key-string ciscoglbp 1 weighting track 1 decrement 20查看：SW1#sho glbp FastEthernet1/14 - Group 1State is Active6 state changes, last state change 00:01:55Virtual IP address is 100.1.1.1Hello time 3 sec, hold tim
6、e 10 secNext hello sent in 2.388 secsRedirect time 600 sec, forwarder time-out 14400 secAuthentication MD5, key-string “cisco“Preemption enabled, min delay 0 secActive is localStandby is 100.1.1.3, priority 100 (expires in 6.780 sec)Priority 110 (configured)Weighting 80, low (configured 100), thresh
7、olds: lower 90, upper 100Track object 1 state Down decrement 20Load balancing: round-robinGroup members:cc08.0c88.f10e (100.1.1.2) localcc09.0c88.f10e (100.1.1.3) authenticatedThere are 2 forwarders (0 active)Forwarder 1State is Listen8 state changes, last state change 00:00:18MAC address is 0007.b4
8、00.0101 (default)Owner ID is cc08.0c88.f10eRedirection enabledPreemption enabled, min delay 30 secActive is 100.1.1.3 (secondary), weighting 100 (expires in 6.616 sec)Forwarder 2State is Listen4 state changes, last state change 00:00:18MAC address is 0007.b400.0102 (learnt)Owner ID is cc09.0c88.f10eRedirection enabled, 596.604 sec remaining (maximum 600 sec)Time to live: 14396.600 sec (maximum 14400 sec)Preemption enabled, min delay 30 sec Active is 100.1.1.3 (primary), weighting 100 (expires in 6.592 sec)文章来源：西安雷德教育
