diff --git a/ChangeLog.md b/ChangeLog.md
index 4054b41..688495b 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,13 @@
+# Changelog #
+## 4.2.0 ##
+#### 新功能 ####
+1. 现在支持通过 ecmc/n9e 来获取监控的 ip 列表，无需手动配置配置文件了，详见 [README](https://github.com/gaochao1/swcollector/blob/master/README.md})
+
+# Changelog #
+## 4.1.0 ##
+#### 新功能 ####
+1. 现在支持推送数据到 n9e 了
+
 # Changelog #
 ## 4.0.6.3 ##
 #### bug修复 ####
diff --git a/README.md b/README.md
index 05b182a..5943214 100644
--- a/README.md
+++ b/README.md
@@ -127,6 +127,19 @@ swcollector需要部署到有交换机SNMP访问权限的服务器上。
 		"limitConcur": 1000, #交换机采集的并发限制
 		"limitCon": 4 #对于单台交换机上，多个指标采集的并发限制
  	}, 
+	"ecmc":{     # 从 ecmc，即夜莺的商业版上获取待监控的 ip 列表，此时 switch 中配置的 ipRange 会被忽略，当 ecmc 和 n9e 同时配置时，ecmc 优先，n9e 的配置忽略
+		"enabled":false, # true 即开启
+		"addr":"http://ecmc.example.com", # ecmc 的地址
+		"token":"x-user-token", # ecmc 供 api 调用的 token,在个人设置-密钥管理中配置
+		"nodes":[1,2,3,4] # 监控 ip 所在的 node id 列表，鼠标点在 node 上能看到节点 id
+	},	
+	"n9e":{ # 从 n9e ，即夜莺的开源版上获取待监控的 ip 列表，此时 switch 中配置的 ipRange 会被忽略。
+		"enabled":true,   # true 即开启
+		"addr":"http://n9e.example.com", # n9e 的地址
+		"user":"root", # 用户名
+		"pass":"1234", # 密码
+		"nodes":[1,2,3,4] # 监控 ip 所在的 node id 列表，可以先通过 curl -u root:1234 http://n9e.example.com/api/portal/tree 看下自己节点的 id 号
+	},	
 	"switchhosts":{
 		"enabled":false,
 		"hosts":"./hosts.json"  #自定义的host与Ip地址对应表，如果配置，则上报时会用这里的host替换ip地址
diff --git a/cfg.example.json b/cfg.example.json
index e0a88cf..45630da 100644
--- a/cfg.example.json
+++ b/cfg.example.json
@@ -37,7 +37,20 @@
 		"fastPingMode": true,
 		"limitConcur": 1000,
 		"limitCon": 4
- 	}, 
+ 	},
+	"ecmc":{
+		"enabled":false,
+		"addr":"http://ecmc.example.com",
+		"token":"x-user-token",
+		"nodes":[1,2,3,4]
+	},	
+	"n9e":{
+		"enabled":true,
+		"addr":"http://n9e.example.com",
+		"user":"root",
+		"pass":"1234",
+		"nodes":[1,2,3,4]
+	},	
 	"switchhosts":{
 		"enabled":false,
 		"hosts":"./hosts.json"
diff --git a/funcs/ecmc.go b/funcs/ecmc.go
new file mode 100644
index 0000000..efb2a90
--- /dev/null
+++ b/funcs/ecmc.go
@@ -0,0 +1,131 @@
+package funcs
+
+import (
+	"crypto/tls"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"time"
+
+	"github.com/gaochao1/swcollector/g"
+)
+
+type EcmcRes struct {
+	Dat json.RawMessage `json:"dat"`
+	Err string          `json:"err"`
+}
+
+type Host struct {
+	ID     int64  `json:"id"`
+	SN     string `json:"sn"`
+	IP     string `json:"ip"`
+	Name   string `json:"name"`
+	Note   string `json:"note"`
+	Cpu    string `json:"cpu"`
+	Mem    string `json:"mem"`
+	Disk   string `json:"disk"`
+	Cate   string `json:"cate"`
+	Tenant string `json:"tenant"`
+}
+
+type n9eHost struct {
+	ID    int64  `json:"id"`
+	Ident string `json:"ident"`
+	Alias string `json:"alias"`
+}
+
+type NodeHosts struct {
+	List  []Host `json:"list"`
+	Total int64  `json:"total"`
+}
+
+// HTTPGet 发起一个 http get 请求
+func HTTPGet(url string, headers map[string]string) (body []byte, err error) {
+	body = []byte{}
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return
+	}
+	for k, v := range headers {
+		req.Header.Set(k, v)
+	}
+
+	tr := &http.Transport{
+		TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
+	}
+	client := &http.Client{
+		Transport: tr,
+		Timeout:   15 * time.Second,
+	}
+	resp, err := client.Do(req)
+	if err != nil {
+		return
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != 200 {
+		body, _ = ioutil.ReadAll(resp.Body)
+		erroMsg := fmt.Sprintf("HTTP Connect Failed, Code is %d, body is %s", resp.StatusCode, string(body))
+		err = errors.New(erroMsg)
+		return
+	}
+	body, err = ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return
+	}
+	return
+}
+
+func GetNodeHosts(nodeID int64) (hosts []Host, err error) {
+	p := 1
+	for {
+		apiAddr := fmt.Sprintf("%s/api/hsp/node/obj/%d/host?p=%d", g.Config().Ecmc.Addr, nodeID, p)
+		headers := map[string]string{}
+		headers["x-user-token"] = g.Config().Ecmc.Token
+		var res []byte
+		res, err = HTTPGet(apiAddr, headers)
+		if err != nil {
+			return
+		}
+		var ecmcRes EcmcRes
+		if err = json.Unmarshal(res, &ecmcRes); err != nil {
+			return
+		}
+		if ecmcRes.Err != "" {
+			err = errors.New(ecmcRes.Err)
+			return
+		}
+		var nodeHosts NodeHosts
+		if err = json.Unmarshal(ecmcRes.Dat, &nodeHosts); err != nil {
+			return
+		}
+		if len(nodeHosts.List) == 0 {
+			break
+		}
+		hosts = append(hosts, nodeHosts.List...)
+		p = p + 1
+	}
+	return
+}
+
+func GetAllByIpByEcmc() (ips []string) {
+	ipMap := map[string]bool{}
+	for _, id := range g.Config().Ecmc.Nodes {
+		hosts, err := GetNodeHosts(id)
+		if err != nil {
+			log.Println(err)
+			continue
+		}
+		for _, host := range hosts {
+			if _, ok := ipMap[host.IP]; ok {
+				continue
+			}
+			ipMap[host.IP] = true
+			ips = append(ips, host.IP)
+		}
+	}
+	return
+}
diff --git a/funcs/n9e.go b/funcs/n9e.go
new file mode 100644
index 0000000..a3cb8ef
--- /dev/null
+++ b/funcs/n9e.go
@@ -0,0 +1,79 @@
+package funcs
+
+import (
+	"encoding/base64"
+	"encoding/json"
+	"errors"
+	"fmt"
+
+	"log"
+
+	"github.com/gaochao1/swcollector/g"
+)
+
+type N9eNodeHosts struct {
+	List  []N9eHost `json:"list"`
+	Total int64     `json:"total"`
+}
+
+type N9eHost struct {
+	ID    int64  `json:"id"`
+	IP    string `json:"ident"`
+	Alias string `json:"alias"`
+}
+
+func basicAuth(username, password string) string {
+	auth := username + ":" + password
+	return base64.StdEncoding.EncodeToString([]byte(auth))
+}
+
+func GetN9eHosts(nodeID int64) (hosts []N9eHost, err error) {
+	p := 1
+	for {
+		apiAddr := fmt.Sprintf("%s/api/portal/node/%d/endpoint?p=%d", g.Config().N9e.Addr, nodeID, p)
+		headers := map[string]string{}
+		headers["Authorization"] = "Basic " + basicAuth(g.Config().N9e.User, g.Config().N9e.Pass)
+		var res []byte
+		res, err = HTTPGet(apiAddr, headers)
+		if err != nil {
+			return
+		}
+		var ecmcRes EcmcRes
+		if err = json.Unmarshal(res, &ecmcRes); err != nil {
+			return
+		}
+		if ecmcRes.Err != "" {
+			err = errors.New(ecmcRes.Err)
+			return
+		}
+		var nodeHosts N9eNodeHosts
+		if err = json.Unmarshal(ecmcRes.Dat, &nodeHosts); err != nil {
+			return
+		}
+		if len(nodeHosts.List) == 0 {
+			break
+		}
+		hosts = append(hosts, nodeHosts.List...)
+		p = p + 1
+	}
+	return
+}
+
+func GetAllByIpByN9e() (ips []string) {
+	ipMap := map[string]bool{}
+	for _, id := range g.Config().N9e.Nodes {
+		hosts, err := GetN9eHosts(id)
+		if err != nil {
+			log.Println(err)
+			continue
+		}
+		for _, host := range hosts {
+			if _, ok := ipMap[host.IP]; ok {
+				continue
+			}
+			ipMap[host.IP] = true
+			ips = append(ips, host.IP)
+		}
+	}
+	return
+}
diff --git a/funcs/swifstat.go b/funcs/swifstat.go
index b6b4960..17d4a80 100644
--- a/funcs/swifstat.go
+++ b/funcs/swifstat.go
@@ -104,7 +104,7 @@ func initVariable() {
 	ignoreOutQLen = g.Config().Switch.IgnoreOutQLen
 }
 
-func AllSwitchIp() (allIp []string) {
+func GetAllByIpRange() (allIp []string) {
 	switchIp := g.Config().Switch.IpRange
 
 	if len(switchIp) > 0 {
@@ -118,6 +118,19 @@ func AllSwitchIp() (allIp []string) {
 	return allIp
 }
 
+func AllSwitchIp() (allIp []string) {
+	if g.Config().Ecmc.Enabled {
+		allIp = GetAllByIpByEcmc()
+		return allIp
+	}
+	if g.Config().N9e.Enabled {
+		allIp = GetAllByIpByN9e()
+		return allIp
+	}
+	allIp = GetAllByIpRange()
+	return allIp
+}
+
 func SwIfMetrics() (L []*model.MetricValue) {
 	if g.Config().Switch.Enabled && len(g.Config().Switch.IpRange) > 0 {
 		return swIfMetrics()
diff --git a/g/cfg.go b/g/cfg.go
index 464c0aa..be57ae9 100644
--- a/g/cfg.go
+++ b/g/cfg.go
@@ -73,10 +73,27 @@ type CustomMetricsConfig struct {
 	Template string `json:template`
 }
 
+type EcmcConfig struct {
+	Enabled bool    `json:"enabled"`
+	Addr    string  `json:"addr"`
+	Token   string  `json:"token"`
+	Nodes   []int64 `json:"nodes"`
+}
+
+type N9eConfig struct {
+	Enabled bool    `json:"enabled"`
+	Addr    string  `json:"addr"`
+	User    string  `json:"user"`
+	Pass    string  `json:"pass"`
+	Nodes   []int64 `json:"nodes"`
+}
+
 type GlobalConfig struct {
 	Debug         bool                 `json:"debug"`
 	Debugmetric   *DebugmetricConfig   `json:"debugmetric`
 	Switch        *SwitchConfig        `json:"switch"`
+	Ecmc          EcmcConfig           `json:"ecmc"`
+	N9e           N9eConfig            `json:"n9e"`
 	Transfer      *TransferConfig      `json:"transfer"`
 	SwitchHosts   *SwitchHostsConfig   `json:switchhosts`
 	CustomMetrics *CustomMetricsConfig `json:customMetrics`
diff --git a/g/const.go b/g/const.go
index 75854c1..d5c4a49 100644
--- a/g/const.go
+++ b/g/const.go
@@ -23,7 +23,8 @@ import (
 // 4.0.6.3 fix bugs
 // 4.1.0 support n9e transfer mode
 // 4.1.1 n9e mode support debug
+// 4.2.0 support get allip from ecmc nodes
 const (
-	VERSION          = "4.1.3"
+	VERSION          = "4.2.0"
 	COLLECT_INTERVAL = time.Second
 )