This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision | ||
использование_двух_isp [2012/03/16 15:53] val |
использование_двух_isp [2017/09/20 13:30] (current) val [Использование двух ISP] |
||
---|---|---|---|
Line 1: | Line 1: | ||
====== Использование двух ISP ====== | ====== Использование двух ISP ====== | ||
+ | * [[http://www.anticisco.ru/blogs/2011/05/введение-в-cisco-oerpfr/|Введение в Cisco OER/PfR]] | ||
+ | * [[https://habrahabr.ru/post/81424/|Немного об ip sla / rtr в Cisco…]] | ||
===== Настройка роутера на использование двух провайдеров ===== | ===== Настройка роутера на использование двух провайдеров ===== | ||
<code> | <code> | ||
- | int f0/0 | ||
- | duplex full | ||
- | |||
- | int f1/1 | ||
- | duplex full | ||
- | |||
interface FastEthernet0/0 | interface FastEthernet0/0 | ||
description connect to ISP2 | description connect to ISP2 | ||
+ | duplex full | ||
ip address 172.16.2.X 255.255.255.0 | ip address 172.16.2.X 255.255.255.0 | ||
ip nat outside | ip nat outside | ||
no shutdown | no shutdown | ||
+ | |||
+ | ip name-server 172.16.2.254 | ||
ip access-list standard ACL_REDIRECT_ISP1 | ip access-list standard ACL_REDIRECT_ISP1 | ||
Line 86: | Line 85: | ||
==== Переключение в ручном режиме ==== | ==== Переключение в ручном режиме ==== | ||
<code> | <code> | ||
+ | cat /etc/resolv.conf | ||
+ | </code><code> | ||
+ | ... | ||
+ | nameserver 172.16.1.254 | ||
+ | nameserver 172.16.2.254 | ||
+ | </code><code> | ||
+ | cat /etc/hosts | ||
+ | </code><code> | ||
+ | ... | ||
+ | 192.168.X.1 router | ||
+ | </code><code> | ||
server# rcp isp1.cfg router:running-config | server# rcp isp1.cfg router:running-config | ||
Line 150: | Line 160: | ||
exit 0 | exit 0 | ||
</code><code> | </code><code> | ||
+ | server# chmod +x select_isp.sh | ||
+ | |||
+ | server# echo isp1_isp2.cfg > /tmp/conf_name | ||
+ | |||
server# crontab -e | server# crontab -e | ||
</code><code> | </code><code> | ||
*/5 * * * * /root/select_isp.sh | */5 * * * * /root/select_isp.sh | ||
</code> | </code> | ||
- |