Ios on Details...

Telecom Italia - IPv6 Pilot on Cisco

Fri, 08 Jun 2012 23:44:20 +0000

To my amazement, Telecom Italia released a pilot project of IPv6 deployment on residential/dynamic ip only adsl internet access, but on theirs support site there’s configuration only for some useless systems. So, I’ve decided to write a configuration for Cisco platform.

Usually the typical Telecom Italia PPPoE or PPPoA ADSL connection with dynamic IPv4 only was authenticated with “aliceadsl” as user and password, now with bran new credential along IPv4 the endpoint router advertise a IPv6 /64 class (always dynamic).

username: adsl@alice6.it password: IPV6@alice6

And now IOS configuration:

- ATM inteface:

interface ATM0/0/0
no ip address
atm restart timer 300
no atm ilmi-keepalive
dsl operating-mode auto
hold-queue 100 in
!
interface ATM0/0/0.1 point-to-point
pvc 8/35
vbr-nrt 380 380
oam-pvc manage
encapsulation aal5mux ppp dialer
dialer pool-member 1

- Dialer inteface:

interface Dialer0
mtu 1492
ip address negotiated
ip nbar protocol-discovery
ip flow ingress
ip virtual-reassembly
encapsulation ppp
dialer pool 1
dialer-group 1
ipv6 address autoconfig
ipv6 enable
no cdp enable
ppp authentication chap callin
ppp chap hostname adsl@alice6.it
ppp chap password 0 IPV6@alice6
ppp pap sent-username adsl@alice6.it password 0 IPV6@alice6

- Route configuration:

ip route 0.0.0.0 0.0.0.0 Dialer0
ipv6 route 2000::/3 Dialer0

You can check with following command:

route01#sh ip int brief | sec Dialer0
Dialer0                    XXX.XXX.XXX.XXX    YES IPCP   up                    up
route01#sh ipv6 int brief | sec Dialer0
Dialer0                    [up/up]
FE80::1
2A01:2003:xxxx:xxxx::1

You can discover your /64 assigned class with:

route01#sh ipv6 int di0 | sec Global
 Global unicast address(es):
 2A01:2003:xxxx:xxxx::1, subnet is 2A01:2003:xxxx:xxxx::/64 [PRE]
 valid lifetime 2591993 preferred lifetime 604793
 route01#

I’ve left out NAT and other further configuration.

Update: prefix delegation

Cisco - IOS Image

Sat, 23 Aug 2008 07:19:12 +0000

Breve prontuario per riconoscere le immagini e le relative feature (sono indicate le principali):

IP : y

ADSL : 7

IP PLUS : s

VOICE : v

CRYPTO (maggiore di 64-bit) : k9

CRYPTO (minore di 64-bit) : k8

IBM/AT/IPX : bnr2

FW/IDS : o3

H323 : x

IP/IPX/APPLETALK : bin

IP/FW : oy6

LAWFUL INTERCEPT : u2

ENTERPRISE : js

SSG : g4

Inoltre le immagini sono presenti altre immagini raggruppate per feature:

IP BASE = IOS entry level nessuna caratteristica principale IP VOICE = VoIP, VoFR, IP Telephony

ADVANCED SECURITY : IOS Firewall, IDS, SSH, IPsec, VPN, 3DES SP SERVICE : MPLS, SSH, ATM, VoATM ENTERPRISE BASE : Multiprotocol, IBM

ADVANCED IP SERVICE : IPv6, Advanced Security, Service Provider Service ENTERPRISE SERICE : Enterprise Base, IBM Full, Service Provider Service

ADVANCED ENTERPRISE SERVICE : Tutto quello descritto prima.

Cisco Catalyst - IOS Upgrade

Sat, 23 Aug 2008 06:15:52 +0000

Comandi base per aggionare un Catalyst 29xx partendo da un’immagine IOS compresssa in tar, ovviamente e’ indispensabile avere a disposizione un server TFTP con gia’ caricata nella root l’immagine.

Fase 1 - Eliminare l’immagine e eventuali web-interface con questi due comandi:

Switch#delete flash:c0000-versioneios.bin
Switch#delete flash:html/*

Fase 2 - Copiare scompattare e caricare l’immagine dall’TFTP

Switch#archive tar /xtract tftp://10.10.10.1/c0000-versioneios.bin flash:

Fase 3 - Verificare l’immagine

Switch#verify flash:c0000-versioneios.bin

Memo:

Le immagini con questa notazione “i6k2l2q4” hanno le seguenti feature: EI AND SI IOS CRYPTO