Posted on 2006-07-27 21:19
五指魅力 阅读(78)
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1 如何看ROUTER的CPU利用率,一般在多少的范围是正常的?
show proc cpu 一般来说不应超过80% 。
The Cisco routers are not overutilized. (5-minute CPU utilization under 75%)
2 求助!CISCO ROUTER 如何用PC(WIN95)用TFTP传文件。
在win95端安装一个TFTP软件。
在cisco端需要键入TFTP地址时,写你win95的地址就可。
tftp还是不要用CISCO自己的那个的好,非常容易死机的,连CISCO的工程师都不喜欢用,很多都是用walusoft的tftp pro 3.x,稳定很多。
3 内部网192.168.200.X; 路由器WAN口IP地址为202.44.0.148 ;我将192.168.200.10.-192.168.200.254做单向NAT指向202.44.0.148 ; 192.168.200.10以内为服务器,他们单独做双向NAT与各自真地址绑定。以上情况,我用3COM路由器好做,主要是192.168.200.10-192.168.200.254 这段地址,用CISCO的路由器如何配置?
在CISCO路由器上,你可以用Translate Inside Source Addresses 的方法将你的服务器与真地址绑定。 10-254的地址可以用Overloading Inside Global address的办法(设个IP POOL)。
4 请问在同一台CISCO交换机上能否设置多个TRUNK?
当然可以了
5 在路由器和交换机之间如何同步时间?
起NTP
6 双绞线和同轴电缆最远能连多少米?
10BaseT and 100BaseT (Star) 100 from hub to station
10Base5 (Bus) 500
10Base2 (Bus) 185
加中继可以延长,四个网段和三个中继器(有源)
所以,细缆:4*185;粗缆:4*500;对绞线:4*100(最少)
我记得好像可以5*185/500/100
7 我的cisco2511的e0口的collision 和 deferred 的数目增张得很快, 不到一天的时间,collision 与 deferred就分别增到了 7300 与 2300 的大数,在这一天的时间段内,我lan PC上网有时很慢,不知这collision 和deferred 是否是正常的,他是否对lan的上网速度有时间段的影响? 还有就是,LAN上的server网卡的carri及colli也是增得较大的。不知这与 什么有关呢? 请指点。 谢谢。
估计微机数量较多,传送数据较频繁,导致冲突增大
当E0口上接较多PC时就会这样,这说明利用率高,正常!
8 谁有Cisco1603通过ISDN上163的例子?
isdn switch-type是isdn交换机的类型,在广东的话应该是primary-net5,
spid是系统配置id号,是交换机必须要有的,我想1600这个是肯定要佩的吧?
你给你的bri 0口配了ppp嘛?你的isdn无法连接也有可能是电信局的关系哦
这是一个2503拨号ISDN上163的一个配置文件。地点是哈尔滨
User Access Verification
Password:
Router>en
Password:
Router#sh runn
Building configuration...
Current configuration:
!
version 11.3
no service password-encryption
!
hostname Router
!
enable password *******
!
ip nat inside source list 1 interface Dialer0 overload
isdn switch-type basic-net3
!
!
interface Ethernet0
ip address 192.168.1.34 255.255.255.0 secondary
ip address *.*.*.* 255.255.255.224
ip access-group 102 in
ip nat inside
no cdp enable
!
interface Serial0
ip address *.*.*.* 255.255.255.252
ip access-group 2 in
ip nat outside
no cdp enable
!
interface Serial1
no ip address
shutdown
!
interface BRI0
no ip address
encapsulation ppp
dialer pool-member 1
!
interface Dialer0
ip address negotiated
ip nat outside
encapsulation ppp
bandwidth 64
no keepalive
dialer remote-name rtr2-a-1-hlhr.hl.cn.net
dialer string 163 class 163map
dialer load-threshold 64 either
dialer pool 1
dialer-group 1
ppp authentication pap callin
ppp pap sent-username pmodernjd password 7 00131A08560B5B56
ppp multilink
!
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer0
!
!
map-class dialer 163map
dialer idle-timeout 60
dialer fast-idle 30
dialer enable-timeout 1
no logging buffered
no logging trap
access-list 1 permit 192.168.1.0 0.0.0.255
access-list 2 deny 192.168.1.0 0.0.0.255
access-list 2 permit any
access-list 101 deny ip any host 151.196.194.123
access-list 101 deny ip any host 209.1.144.192
access-list 101 permit ip any any
access-list 102 deny udp host 192.168.1.103 host 202.97.224.68
access-list 102 permit ip any any
access-list 103 deny ip any 0.0.0.255 255.255.255.0
access-list 103 permit ip any any
dialer-list 1 protocol ip list 103
!
line con 0
exec-timeout 0 0
line aux 0
line vty 0 4
access-class 1 in
password cw1990
login
!
end
Router#sh start
Using 1508 out of 32762 bytes
!
version 11.3
no service password-encryption
!
hostname Router
!
enable password modernjd
!
ip nat inside source list 1 interface BRI0 overload
isdn switch-type basic-net3
!
!
interface Ethernet0
ip address 192.168.1.34 255.255.255.0 secondary
ip address 202.97.251.34 255.255.255.224
ip access-group 102 in
ip nat inside
no cdp enable
!
interface Serial0
ip address 202.97.240.214 255.255.255.252
ip access-group 2 in
ip nat outside
no cdp enable
!
interface Serial1
no ip address
shutdown
!
interface BRI0
ip address negotiated
ip nat outside
encapsulation ppp
no keepalive
dialer idle-timeout 60
dialer fast-idle 30
dialer enable-timeout 1
dialer string 163
dialer load-threshold 128 either
dialer-group 1
no cdp enable
ppp authentication pap callin
ppp pap sent-username pmodernjd password 7 071828421C594955
ppp multilink
!
ip classless
ip route 0.0.0.0 0.0.0.0 BRI0
!
no logging buffered
no logging trap
no logging trap
access-list 1 permit 192.168.1.0 0.0.0.255
access-list 2 deny 192.168.1.0 0.0.0.255
access-list 2 permit any
access-list 101 deny ip any host 151.196.194.123
access-list 101 deny ip any host 209.1.144.192
access-list 101 permit ip any any
access-list 102 deny udp host 192.168.1.103 host 202.97.224.68
access-list 102 permit ip any any
access-list 103 deny ip any 0.0.0.255 255.255.255.0
access-list 103 permit ip any any
dialer-list 1 protocol ip list 103
!
line con 0
exec-timeout 0 0
line aux 0
line vty 0 4
acce