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----------

ADSL

PPPoA


interface Vlan1
 ip tcp adjust-mss 1452
 exit

interface ATM0
 no ip address
 no atm ilmi-keepalive
 dsl operating-mode auto 
 exit

interface ATM0.1 point-to-point
 pvc 8/48 
  encapsulation aal5mux ppp dialer
  dialer pool-member 1 
  exit
 exit 

interface Dialer0
 ip address negotiated
 ip nat outside
 ip virtual-reassembl…</description>
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CUCM

Updaty pro telefony

	* přes OS Administration provést aktualizaci
	* číst readme - občas je nutné provést aktualizace postupně přes několik verzí

Instalace češtiny</description>
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----------

	* dokumentace k IOS
	* Knihovna PDF

Nastavování

smazání NVRAM
= erase startup-config : smaže startup config
nastavení IP
= enable : vstup do konfigurační části
= config terminal : konfigurace pres terminál
= interface FastEthernet 0/0 : interface configuration mode
= ip address 10.10.204.50 255.255.0.0 : nastavení IP
= ip address 10.11.2…</description>
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----------

policy-map

	* příklad konfiguráku z C876 (ADSL)

LAN-WAN


! ----------------------------------------------------------------------------------------------------------------
!
!insp-traffic
class-map type inspect match-any cls-insp-traffic
 match protocol pptp
 match protocol dns
 match protocol https
 match protocol icmp
 match protocol i…</description>
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Zálohování

backup.sh



#!/bin/sh

ARCHIVE=&quot;sw-backup.tar.gz&quot;
TFTP=&quot;tftp://10.153.1.34/sw&quot;
TFTP_DIR=&quot;/srv/tftp/sw&quot;
IP=&quot;10.153.1.10
    10.153.1.17
    &quot;

for ip in $IP;
do
 echo $ip
 echo =========================

/usr/bin/expect &lt;&lt;EOD
set timeout 20

spawn telnet $ip

expect &quot;ame:&quot;
send &quot;admin\r&quot;
expect &quot;assword:&quot;
send &quot;LanAdmin11\r&quot;

ex…</description>
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----------

STP - Spanning Tree Protocol

zdroj: &lt;https://lkaplan.cz/wiki/doku.php?id=wiki:site:cisco:stp&gt;

Bridging loop



Komunikace PC-1 to PC-4

	*  Uvažujme, že PC-1 zná MAC adresu PC-4 a switche mají prázdné CAM tabulky.
	*  PC-1 pošle rámec s cílovou MAC (PC-4), oba sw ho přijmou na portu 1/1, a uloží si zdrojovou adresu PC-1 do CAM tabulky…</description>
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