This set of videos is all about BGP and if it proves popular I will do some more with some more advanced features.
Here is the Picture:
Basic BGP - Path Selection with Vyatta -Part 1
General Setup
Basic BGP - Path Selection with Vyatta -Part 1 from Roggy on Vimeo.
Basic BGP - Path Selection with Vyatta -Part 2
Checking BGP peering
Adding Next-hop-self
Basic BGP - Path Selection with Vyatta -Part 2 from Roggy on Vimeo.
Basic BGP - Path Selection with Vyatta -Part 3
Creating ACLs
Creating Prefix Lists
Creating Route-maps
Setting Local Pref
Setting Med
Clearing a Peer
Basic BGP - Path Selection with Vyatta -Part 3 from Roggy on Vimeo.
Although it can seem a little boring, I always like to include the full configs:
R1
firewall {
all-ping enable
broadcast-ping disable
conntrack-table-size 32768
conntrack-tcp-loose enable
ip-src-route disable
ipv6-receive-redirects disable
ipv6-src-route disable
log-martians enable
name ALLOW_ESTABLISHED {
default-action drop
rule 10 {
action accept
state {
established enable
}
}
}
receive-redirects disable
send-redirects enable
source-validation disable
syn-cookies enable
}
interfaces {
ethernet eth0 {
address 172.12.123.1/24
description R1-R2-R3
duplex auto
hw-id 00:0c:29:fe:17:2d
smp_affinity auto
speed auto
}
ethernet eth1 {
duplex auto
hw-id 00:0c:29:fe:17:37
smp_affinity auto
speed auto
}
ethernet eth2 {
address dhcp
duplex auto
hw-id 00:0c:29:fe:17:41
smp_affinity auto
speed auto
}
loopback lo {
address 5.5.5.5/24
address 6.6.6.6/24
address 7.7.7.7/24
address 8.8.8.8/24
}
}
policy {
}
protocols {
bgp 1 {
neighbor 172.12.123.2 {
remote-as 234
}
neighbor 172.12.123.3 {
remote-as 234
}
redistribute {
connected {
}
}
}
}
service {
dns {
forwarding {
cache-size 150
listen-on eth1
name-server 208.67.222.222
name-server 208.67.220.220
}
}
nat {
rule 10 {
outbound-interface eth0
source {
address 192.168.10.0/24
}
type masquerade
}
}
ssh {
allow-root
port 22
protocol-version v2
}
}
system {
host-name R1
login {
user root {
authentication {
encrypted-password $1$ORKO400D$9GoL/vifapZLo3p.sLkUs/
plaintext-password ""
}
level admin
}
user vyatta {
authentication {
encrypted-password $1$Z9oMjC/m$r.T2vNILnVuZnIwkKhg58.
}
level admin
}
}
ntp-server 0.vyatta.pool.ntp.org
package {
auto-sync 1
repository community {
components main
distribution stable
password ""
url http://packages.vyatta.com/vyatta
username ""
}
repository lenny {
components main
distribution lenny
password ""
url http://packages.vyatta.com/debian/
username ""
}
repository VC6 {
components main
distribution VC6.0
password ""
url http://packages.vyatta.com/vyatta/
username ""
}
}
syslog {
global {
facility all {
level notice
}
facility protocols {
level debug
}
}
}
time-zone GMT
}
/* Warning: Do not remove the following line. */
/* === vyatta-config-version: "cluster@1:dhcp-relay@1:dhcp-server@4:firewall@3:ipsec@2:nat@3:quagga@1:system@3:vrrp@1:wanloadbalance@2:webgui@1:webproxy@1" === */
/* Release version: VC6.0-2010.03.22 */
R2
firewall {
all-ping enable
broadcast-ping disable
conntrack-table-size 32768
conntrack-tcp-loose enable
ip-src-route disable
ipv6-receive-redirects disable
ipv6-src-route disable
log-martians enable
name ALLOW_ESTABLISHED {
default-action drop
rule 10 {
action accept
state {
established enable
}
}
}
receive-redirects disable
send-redirects enable
source-validation disable
syn-cookies enable
}
interfaces {
ethernet eth0 {
address 172.12.123.2/24
description R1-R2-R3
duplex auto
hw-id 00:0c:29:fa:84:8d
smp_affinity auto
speed auto
}
ethernet eth1 {
address 172.12.234.2/24
description Inside
duplex auto
hw-id 00:0c:29:fa:84:97
smp_affinity auto
speed auto
}
ethernet eth2 {
address dhcp
description DMZ
duplex auto
hw-id 00:0c:29:fa:84:a1
smp_affinity auto
speed auto
}
loopback lo {
}
}
policy {
access-list 100 {
rule 10 {
action permit
destination {
any
}
source {
any
}
}
}
access-list 150 {
rule 10 {
action permit
destination {
any
}
source {
inverse-mask 0.0.0.255
network 172.12.234.0
}
}
}
route-map SET-LOCAL-PREF {
rule 10 {
action permit
match {
ip {
address {
access-list 100
}
}
}
set {
local-preference 301
}
}
}
route-map SET-MED {
rule 10 {
action permit
match {
ip {
address {
access-list 150
}
}
}
set {
metric 201
}
}
rule 20 {
action permit
match {
ip {
address {
access-list 100
}
}
}
}
}
}
protocols {
bgp 234 {
neighbor 172.12.123.1 {
remote-as 1
route-map {
export SET-MED
}
}
neighbor 172.12.234.4 {
nexthop-self
remote-as 234
route-map {
export SET-LOCAL-PREF
}
}
redistribute {
connected {
}
}
}
}
service {
dns {
forwarding {
cache-size 150
listen-on eth1
name-server 208.67.222.222
name-server 208.67.220.220
}
}
ssh {
allow-root
port 22
protocol-version v2
}
}
system {
host-name R2
login {
user root {
authentication {
encrypted-password $1$ORKO400D$9GoL/vifapZLo3p.sLkUs/
plaintext-password ""
}
level admin
}
user vyatta {
authentication {
encrypted-password $1$Z9oMjC/m$r.T2vNILnVuZnIwkKhg58.
}
level admin
}
}
ntp-server 0.vyatta.pool.ntp.org
package {
auto-sync 1
repository community {
components main
distribution stable
password ""
url http://packages.vyatta.com/vyatta
username ""
}
repository lenny {
components main
distribution lenny
password ""
url http://packages.vyatta.com/debian/
username ""
}
repository VC6 {
components main
distribution VC6.0
password ""
url http://packages.vyatta.com/vyatta/
username ""
}
}
syslog {
global {
facility all {
level notice
}
facility protocols {
level debug
}
}
}
time-zone GMT
}
/* Warning: Do not remove the following line. */
/* === vyatta-config-version: "cluster@1:dhcp-relay@1:dhcp-server@4:firewall@3:ipsec@2:nat@3:quagga@1:system@3:vrrp@1:wanloadbalance@2:webgui@1:webproxy@1" === */
/* Release version: VC6.0-2010.03.22 */
R3
firewall {
all-ping enable
broadcast-ping disable
conntrack-table-size 32768
conntrack-tcp-loose enable
ip-src-route disable
ipv6-receive-redirects disable
ipv6-src-route disable
log-martians enable
name ALLOW_ESTABLISHED {
default-action drop
rule 10 {
action accept
state {
established enable
}
}
}
receive-redirects disable
send-redirects enable
source-validation disable
syn-cookies enable
}
interfaces {
ethernet eth0 {
address 172.12.123.3/24
description R1-R2-R3
duplex auto
hw-id 00:0c:29:21:bd:6f
smp_affinity auto
speed auto
}
ethernet eth1 {
address 172.12.234.3/24
description R2-R3-R4
duplex auto
hw-id 00:0c:29:21:bd:79
smp_affinity auto
speed auto
}
ethernet eth2 {
address dhcp
description DMZ
duplex auto
hw-id 00:0c:29:21:bd:83
smp_affinity auto
speed auto
}
loopback lo {
}
}
policy {
access-list 150 {
rule 10 {
action permit
destination {
any
}
source {
inverse-mask 0.0.0.255
network 172.12.234.0
}
}
}
prefix-list ALL-ROUTES {
rule 10 {
action permit
le 32
prefix 0.0.0.0/0
}
}
route-map SET-LOCAL-PREF {
rule 10 {
action permit
match {
ip {
address {
prefix-list ALL-ROUTES
}
}
}
set {
local-preference 201
}
}
}
route-map SET-MED {
rule 10 {
action permit
match {
ip {
address {
access-list 150
}
}
}
set {
metric 101
}
}
rule 20 {
action permit
match {
ip {
address {
prefix-list ALL-ROUTES
}
}
}
}
}
}
protocols {
bgp 234 {
neighbor 172.12.123.1 {
remote-as 1
route-map {
export SET-MED
}
}
neighbor 172.12.234.4 {
nexthop-self
remote-as 234
route-map {
export SET-LOCAL-PREF
}
}
redistribute {
connected {
}
}
}
}
service {
dns {
forwarding {
cache-size 150
listen-on eth1
name-server 208.67.222.222
name-server 208.67.220.220
}
}
ssh {
allow-root
port 22
protocol-version v2
}
}
system {
host-name R3
login {
user root {
authentication {
encrypted-password $1$ORKO400D$9GoL/vifapZLo3p.sLkUs/
plaintext-password ""
}
level admin
}
user vyatta {
authentication {
encrypted-password $1$Z9oMjC/m$r.T2vNILnVuZnIwkKhg58.
}
level admin
}
}
ntp-server 0.vyatta.pool.ntp.org
package {
auto-sync 1
repository community {
components main
distribution stable
password ""
url http://packages.vyatta.com/vyatta
username ""
}
repository lenny {
components main
distribution lenny
password ""
url http://packages.vyatta.com/debian/
username ""
}
repository VC6 {
components main
distribution VC6.0
password ""
url http://packages.vyatta.com/vyatta/
username ""
}
}
syslog {
global {
facility all {
level notice
}
facility protocols {
level debug
}
}
}
time-zone GMT
}
/* Warning: Do not remove the following line. */
/* === vyatta-config-version: "cluster@1:dhcp-relay@1:dhcp-server@4:firewall@3:ipsec@2:nat@3:quagga@1:system@3:vrrp@1:wanloadbalance@2:webgui@1:webproxy@1" === */
/* Release version: VC6.0-2010.03.22 */
R4
firewall {
all-ping enable
broadcast-ping disable
conntrack-table-size 32768
conntrack-tcp-loose enable
ip-src-route disable
ipv6-receive-redirects disable
ipv6-src-route disable
log-martians enable
name ALLOW_ESTABLISHED {
default-action drop
rule 10 {
action accept
state {
established enable
}
}
}
receive-redirects disable
send-redirects enable
source-validation disable
syn-cookies enable
}
interfaces {
ethernet eth0 {
address 172.12.234.4/24
duplex auto
smp_affinity auto
speed auto
}
ethernet eth2 {
address dhcp
duplex auto
smp_affinity auto
speed auto
}
loopback lo {
}
}
protocols {
bgp 234 {
neighbor 172.12.234.2 {
remote-as 234
}
neighbor 172.12.234.3 {
remote-as 234
}
redistribute {
connected {
}
}
}
}
service {
dhcp-server {
disabled false
shared-network-name POOL1 {
authoritative disable
subnet 192.168.10.0/24 {
default-router 192.168.10.1
dns-server 192.168.10.1
domain-name Vyatta.local
lease 86400
start 192.168.10.10 {
stop 192.168.10.200
}
}
}
}
dns {
forwarding {
cache-size 150
listen-on eth1
name-server 208.67.222.222
name-server 208.67.220.220
}
}
nat {
rule 10 {
outbound-interface eth0
source {
address 192.168.10.0/24
}
type masquerade
}
}
ssh {
allow-root
port 22
protocol-version v2
}
}
system {
host-name R4
login {
user root {
authentication {
encrypted-password $1$ORKO400D$9GoL/vifapZLo3p.sLkUs/
plaintext-password ""
}
level admin
}
user vyatta {
authentication {
encrypted-password $1$Z9oMjC/m$r.T2vNILnVuZnIwkKhg58.
}
level admin
}
}
ntp-server 0.vyatta.pool.ntp.org
package {
auto-sync 1
repository community {
components main
distribution stable
password ""
url http://packages.vyatta.com/vyatta
username ""
}
repository lenny {
components main
distribution lenny
password ""
url http://packages.vyatta.com/debian/
username ""
}
repository VC6 {
components main
distribution VC6.0
password ""
url http://packages.vyatta.com/vyatta/
username ""
}
}
syslog {
global {
facility all {
level notice
}
facility protocols {
level debug
}
}
}
time-zone GMT
}
/* Warning: Do not remove the following line. */
/* === vyatta-config-version: "cluster@1:dhcp-relay@1:dhcp-server@4:firewall@3:ipsec@2:nat@3:quagga@1:system@3:vrrp@1:wanloadbalance@2:webgui@1:webproxy@1" === */
/* Release version: VC6.0-2010.03.22 */
