CentOS 6.4 雙網卡設定pppoe 網路會當掉 - Linux

By Quintina
at 2015-10-26T16:34
at 2015-10-26T16:34
Table of Contents
我拿一台小PC,用來測試廠商提供的一條專線,PC上只有一張網卡(eth0)。
我拿了一張USB網卡接上去,系統有抓到(eth1)
接線大概是這樣
廠商機房---光纖--Cisco 1812--> PC eth0
--> PC eth1
根據廠商的說法,eth1 可以當作一般的ADSL撥號上網
所以我裝了rp-pppoe,執行了pppoe-setup
輸入相關設定之後,只要我下 ifup ppp0 eht0這張網卡就會當掉
從廠商機房那邊就無法 ping到我的 eth0的ip
必須要過差不多五分鐘,等到pppoe的錯誤訊息出現在console
這時候eth0 才會恢復
[root@ppp ~]# ifup ppp0
/usr/sbin/adsl-start: line 217: 3256 Terminated $CONNECT "$@" > /dev/null 2>&1
[root@ppp ~]#
在messages裡面有看到LCP timeout 算是比較異常的訊息
Oct 26 16:32:06 ppp pppd[3280]: pppd 2.4.5 started by root, uid 0
Oct 26 16:32:06 ppp pppd[3280]: Using interface ppp0
Oct 26 16:32:06 ppp pppd[3280]: Connect: ppp0 <--> /dev/pts/1
Oct 26 16:32:37 ppp pppd[3280]: LCP: timeout sending Config-Requests
Oct 26 16:32:37 ppp pppd[3280]: Connection terminated.
Oct 26 16:32:37 ppp pppd[3280]: Modem hangup
Oct 26 16:32:41 ppp pppoe[3281]: Timeout waiting for PADO packets
Oct 26 16:32:41 ppp pppd[3280]: Exit.
請問,有任何建議我應該檢查哪些設定嗎?
--
我拿了一張USB網卡接上去,系統有抓到(eth1)
接線大概是這樣
廠商機房---光纖--Cisco 1812--> PC eth0
--> PC eth1
根據廠商的說法,eth1 可以當作一般的ADSL撥號上網
所以我裝了rp-pppoe,執行了pppoe-setup
輸入相關設定之後,只要我下 ifup ppp0 eht0這張網卡就會當掉
從廠商機房那邊就無法 ping到我的 eth0的ip
必須要過差不多五分鐘,等到pppoe的錯誤訊息出現在console
這時候eth0 才會恢復
[root@ppp ~]# ifup ppp0
/usr/sbin/adsl-start: line 217: 3256 Terminated $CONNECT "$@" > /dev/null 2>&1
[root@ppp ~]#
在messages裡面有看到LCP timeout 算是比較異常的訊息
Oct 26 16:32:06 ppp pppd[3280]: pppd 2.4.5 started by root, uid 0
Oct 26 16:32:06 ppp pppd[3280]: Using interface ppp0
Oct 26 16:32:06 ppp pppd[3280]: Connect: ppp0 <--> /dev/pts/1
Oct 26 16:32:37 ppp pppd[3280]: LCP: timeout sending Config-Requests
Oct 26 16:32:37 ppp pppd[3280]: Connection terminated.
Oct 26 16:32:37 ppp pppd[3280]: Modem hangup
Oct 26 16:32:41 ppp pppoe[3281]: Timeout waiting for PADO packets
Oct 26 16:32:41 ppp pppd[3280]: Exit.
請問,有任何建議我應該檢查哪些設定嗎?
--
Tags:
Linux
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