lb route 相关的一些问题
==========================
查看系统平台和版本
> show hardware
Platform: NetScaler Virtual Appliance
Manufactured on: //
CPU: 3192MHZ
Host Id: 000c294ffa77
Serial no: HE2H81UJ47
Encoded serial no: 891e0000cb254307ee9a
Done
>
> show version
NetScaler NS12.: Build 56.20.nc, Date: Dec , ::
Done
>
进行 lb route 配置
虚拟服务器必须配置固定的IP地址和端口以及协议
协议: ANY IP地址: 0.0.0.0 端口: 0
LLB的负载均衡虚拟服务器的名字建议命名为: lb_vsrv_isp_llb_all lb_vsrv_isp_llb_ct lb_vsrv_isp_llb_cu lb_vsrv_isp_llb_cmcc lb_vsrv_isp_llb_edu
LLB的虚拟服务的名字建议命名为: svc_isp_ct svc_isp_cu svc_isp_cmcc svc_isp_edu
虚拟服务器支持的负载算法和会话保持算法
支持的负载算法: DESTINATIONIPHASH LEASTBANDWIDTH LEASTPACKETS LRTM ROUNDROBIN SOURCEIPHASH SRCIPDESTIPHASH
支持的会话保持算法: SOURCEIP SRCIPDESTIP DESTIP
> show ip
Ipaddress Traffic Domain Type Mode Arp Icmp Vserver State
--------- -------------- ---- ---- --- ---- ------- ------
) 192.168.11.15 NetScaler IP Active Enabled Enabled NA Enabled
) 192.168.10.45 SNIP Active Enabled Enabled NA Enabled
) 192.168.11.5 SNIP Active Enabled Enabled NA Enabled
Done
> show route
Network Netmask Gateway/OwnedIP State Traffic Domain Type
------- ------- --------------- ----- -------------- ----
) 0.0.0.0 0.0.0.0 192.168.10.1 UP STATIC
) 127.0.0.0 255.0.0.0 127.0.0.1 UP PERMANENT
) 192.168.10.0 255.255.255.0 192.168.10.45 UP DIRECT
) 192.168.11.0 255.255.255.0 192.168.11.15 UP DIRECT
Done
>
> enable ns mode usnip
Done
> add server srv_route1 9.9.9.9
Done
> add server srv_route2 192.168.30.1
Done
> add server srv_route3 192.168.10.1
Done
> add service svc_route1 srv_route1 any *
Done
> add service svc_route2 srv_route2 any *
Done
> add service svc_route3 srv_route3 any *
Done
> bind service svc_route1 -monitorName ping
Done
> bind service svc_route2 -monitorName ping
Done
> bind service svc_route3 -monitorName ping
Done
> show service -summary
---------------------------------------------------------------------------------------------
Name State IP Addr Port Protocol MaxClients MaxReqs
---------------------------------------------------------------------------------------------
svc_route1 UP srv_route1 * ANY
svc_route2 UP srv_route2 * ANY
svc_route3 UP srv_route3 * ANY
Done
>
> add monitor mon_tcp_llb TCP -destIP 114.114.114.114 -destPort -Transparent YES -LRTM DISABLED
Done
> add monitor mon_ping_llb PING -destIP 114.114.114.114 -Transparent YES -LRTM DISABLED
Done
> bind service svc_route1 -monitorName mon_tcp_llb
Done
> bind service svc_route2 -monitorName mon_tcp_llb
Done
> bind service svc_route3 -monitorName mon_tcp_llb
Done
> show service -summary
---------------------------------------------------------------------------------------------
Name State IP Addr Port Protocol MaxClients MaxReqs
---------------------------------------------------------------------------------------------
svc_route1 DOWN srv_route1 * ANY
svc_route2 DOWN srv_route2 * ANY
svc_route3 UP srv_route3 * ANY
Done
>
> add lb vserver lb_vsrv_isp1 ANY 0.0.0.0 -persistenceType DESTIP -lbMethod ROUNDROBIN
Done
> bind lb vserver lb_vsrv_isp1 svc_route1
Done
> add lb vserver lb_vsrv_isp2 ANY 0.0.0.0 -persistenceType DESTIP -lbMethod ROUNDROBIN
Done
> bind lb vserver lb_vsrv_isp2 svc_route2
Done
> add lb vserver lb_vsrv_isp3 ANY 0.0.0.0 -persistenceType DESTIP -lbMethod ROUNDROBIN
Done
> bind lb vserver lb_vsrv_isp3 svc_route3
Done>
问题1: 添加服务器的IP地址，不能为D类和E类的IPv4地址。
D类地址 前四位为1110，注意是位
1、不分网络地址和主机地址。
2、地址范围：224.0.0.1 --- 239.255.255.254
E类地址 前五位为11110，注意是位
1、不分网络地址和主机地址
2、地址范围：240.0.0.1 --- 255.255.255.254
> add server srv_route4 223.255.255.255
Done
> rm server srv_route4
Done
> add server srv_route4 224.0.0.0
ERROR: Operation not permitted
> add server srv_route4 224.0.0.1
ERROR: Operation not permitted
> add server srv_route4 239.255.255.254
ERROR: Operation not permitted
> add server srv_route4 239.255.255.255
ERROR: Operation not permitted
> add server srv_route4 240.0.0.0
ERROR: Operation not permitted
> add server srv_route4 240.0.0.1
ERROR: Operation not permitted
> add server srv_route4 255.255.255.254
ERROR: Operation not permitted
> add server srv_route4 255.255.255.255
ERROR: Operation not permitted
>
问题2: 添加路由项时，若网关与设备不在同一网段(简单理解即没有与之互通的SNIP)，则操作失败，提示【ERROR: The gateway is not directly reachable】
> show ip
Ipaddress Traffic Domain Type Mode Arp Icmp Vserver State
--------- -------------- ---- ---- --- ---- ------- ------
) 192.168.11.15 NetScaler IP Active Enabled Enabled NA Enabled
) 192.168.10.45 SNIP Active Enabled Enabled NA Enabled
) 192.168.11.5 SNIP Active Enabled Enabled NA Enabled
Done
>
> show route
Network Netmask Gateway/OwnedIP State Traffic Domain Type
------- ------- --------------- ----- -------------- ----
) 0.0.0.0 0.0.0.0 192.168.10.1 UP STATIC
) 127.0.0.0 255.0.0.0 127.0.0.1 UP PERMANENT
) 192.168.10.0 255.255.255.0 192.168.10.45 UP DIRECT
) 192.168.11.0 255.255.255.0 192.168.11.15 UP DIRECT
Done
>
> add route 192.168.30.0 255.255.255.0 192.168.30.1
ERROR: The gateway is not directly reachable
>
问题3: 对于与设备不在同一网段的服务(简单理解即没有与之互通的SNIP)，此服务绑定的透传类型(-Transparent YES)的健康检查监视器 mon_tcp_llb，健康检查失败，提示信息为【Failure - Internal error: resource unavailable to send probe.】
> show service svc_route1
svc_route1 (9.9.9.9:*) - ANY
State: DOWN
Last state change was at Thu Aug ::
Time since last state change: days, ::13.350
Server Name: srv_route1
Server ID : None Monitor Threshold :
Max Conn: Max Req: Max Bandwidth: kbits
Use Source IP: NO
Client Keepalive(CKA): NO
Access Down Service: NO
TCP Buffering(TCPB): NO
HTTP Compression(CMP): NO
Idle timeout: Client: sec Server: sec
Client IP: DISABLED
Cacheable: NO
SC: OFF
SP: OFF
Down state flush: ENABLED
Monitor Connection Close : NONE
Appflow logging: ENABLED
Process Local: DISABLED
Traffic Domain: ) Monitor Name: mon_tcp_llb
State: DOWN Weight: Passive:
Probes: Failed [Total: Current: ]
Last response: Failure - Internal error: resource unavailable to send probe.
Response Time: 0.0 millisec
) Monitor Name: ping
State: UP Weight: Passive:
Probes: Failed [Total: Current: ]
Last response: Success - ICMP echo reply received.
Response Time: 273.67 millisec
Done
> show service svc_route2
svc_route2 (192.168.30.1:*) - ANY
State: DOWN
Last state change was at Thu Aug ::
Time since last state change: days, ::13.220
Server Name: srv_route2
Server ID : None Monitor Threshold :
Max Conn: Max Req: Max Bandwidth: kbits
Use Source IP: NO
Client Keepalive(CKA): NO
Access Down Service: NO
TCP Buffering(TCPB): NO
HTTP Compression(CMP): NO
Idle timeout: Client: sec Server: sec
Client IP: DISABLED
Cacheable: NO
SC: OFF
SP: OFF
Down state flush: ENABLED
Monitor Connection Close : NONE
Appflow logging: ENABLED
Process Local: DISABLED
Traffic Domain: ) Monitor Name: mon_tcp_llb
State: DOWN Weight: Passive:
Probes: Failed [Total: Current: ]
Last response: Failure - Internal error: resource unavailable to send probe.
Response Time: 0.0 millisec
) Monitor Name: ping
State: UP Weight: Passive:
Probes: Failed [Total: Current: ]
Last response: Success - ICMP echo reply received.
Response Time: 0.344 millisec
Done
> show service svc_route3
svc_route3 (192.168.10.1:*) - ANY
State: UP
Last state change was at Thu Aug ::
Time since last state change: days, ::40.260
Server Name: srv_route3
Server ID : None Monitor Threshold :
Max Conn: Max Req: Max Bandwidth: kbits
Use Source IP: NO
Client Keepalive(CKA): NO
Access Down Service: NO
TCP Buffering(TCPB): NO
HTTP Compression(CMP): NO
Idle timeout: Client: sec Server: sec
Client IP: DISABLED
Cacheable: NO
SC: OFF
SP: OFF
Down state flush: ENABLED
Monitor Connection Close : NONE
Appflow logging: ENABLED
Process Local: DISABLED
Traffic Domain: ) Monitor Name: mon_tcp_llb
State: UP Weight: Passive:
Probes: Failed [Total: Current: ]
Last response: Success - TCP syn+ack received.
Response Time: 0.0 millisec
) Monitor Name: ping
State: UP Weight: Passive:
Probes: Failed [Total: Current: ]
Last response: Success - ICMP echo reply received.
Response Time: 0.157 millisec
Done
>
问题4: 对于与设备不在同一网段的服务(简单理解即没有与之互通的SNIP)，绑定此服务的虚拟服务器，添加 lb route 使用此虚拟服务器作为网关，执行失败，报错提示【ERROR: Service parameters are invalid for LLB/PBR VIP】
> add lb route 223.255.252.0 255.255.254.0 lb_vsrv_isp1
ERROR: Service parameters are invalid for LLB/PBR VIP
>
> add lb route 223.223.192.0 255.255.240.0 lb_vsrv_isp2
ERROR: Service parameters are invalid for LLB/PBR VIP
>
> add lb route 223.120.0.0 255.248.0.0 lb_vsrv_isp3
Done
>
> show lb route
Network Netmask Traffic Domain VIP Flags
------- ------- -------------- --- -----
) 223.120.0.0 255.248.0.0 lb_vsrv_isp3 UP
Done
>
> show route
Network Netmask Gateway/OwnedIP State Traffic Domain Type
------- ------- --------------- ----- -------------- ----
) 0.0.0.0 0.0.0.0 192.168.10.1 UP STATIC
) 127.0.0.0 255.0.0.0 127.0.0.1 UP PERMANENT
) 192.168.10.0 255.255.255.0 192.168.10.45 UP DIRECT
) 192.168.11.0 255.255.255.0 192.168.11.15 UP DIRECT
) 223.120.0.0 255.248.0.0 lb_vsrv_isp3 UP |LBROUTE
Done
>
> show ip
Ipaddress Traffic Domain Type Mode Arp Icmp Vserver State
--------- -------------- ---- ---- --- ---- ------- ------
) 192.168.11.15 NetScaler IP Active Enabled Enabled NA Enabled
) 192.168.10.45 SNIP Active Enabled Enabled NA Enabled
) 192.168.11.5 SNIP Active Enabled Enabled NA Enabled
Done
>
============= End
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