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Dell EMC Configuration Guide for the S4048T–ON System 9.14.2.4

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Sample Configuration

You can use the following example configuration to set up a PBR. These are not comprehensive directions but are intended to give you a guidance with typical configurations. You can copy and paste from these examples to your CLI. Make the necessary changes to support your own IP addresses, interfaces, names, and so on.

The Redirect-List GOLD defined in this example creates the following rules:

  • description Route Gold traffic to the DS3
  • seq 5 redirect 10.99.99.254 ip 192.168.1.0/24 any “ Redirect to next-hop router IP 10.99.99.254 any traffic originating in 192.168.1.0/24”
  • seq 10 redirect 10.99.99.254 ip 192.168.2.0/24 any “ Redirect to next-hop router IP 10.99.99.254 any traffic originating in 192.168.2.0/24”
  • seq 15 permit ip any
Illustration

Create the Redirect-List GOLD

EDGE_ROUTER(conf-if-Te-2/23)#ip redirect-list GOLD
EDGE_ROUTER(conf-redirect-list)#description Route GOLD traffic to ISP_GOLD.
EDGE_ROUTER(conf-redirect-list)#direct 10.99.99.254 ip 192.168.1.0/24 any
EDGE_ROUTER(conf-redirect-list)#redirect 10.99.99.254 ip 192.168.2.0/24 any
EDGE_ROUTER(conf-redirect-list)# seq 15 permit ip any any
EDGE_ROUTER(conf-redirect-list)#show config
!
ip redirect-list GOLD
 description Route GOLD traffic to ISP_GOLD.
 seq 5 redirect 10.99.99.254 ip 192.168.1.0/24 any
 seq 10 redirect 10.99.99.254 ip 192.168.2.0/24 any
 seq 15 permit ip any any
EDGE_ROUTER(conf)#int Te 2/11
EDGE_ROUTER(conf-if-Te-2/11)#ip add 192.168.3.2/24
EDGE_ROUTER(conf-if-Te-2/11)#no shut
EDGE_ROUTER(conf-if-Te-2/11)#
EDGE_ROUTER(conf-if-Te-2/11)#ip redirect-group GOLD
EDGE_ROUTER(conf-if-Te-2/11)#no shut
EDGE_ROUTER(conf-if-Te-2/11)#end
EDGE_ROUTER(conf-redirect-list)#end


EDGE_ROUTER#
EDGE_ROUTER#show ip redirect-list

IP redirect-list GOLD:
 Defined as:
  seq 5 redirect 10.99.99.254 ip 192.168.1.0/24 any, Next-hop reachable (via Te 3/23)
  seq 10 redirect 10.99.99.254 ip 192.168.2.0/24 any, Next-hop reachable (via Te 3/23)
  seq 15 permit ip any any
 Applied interfaces:
  Te 2/11
EDGE_ROUTER#

Creating a PBR list using Explicit Track Objects for Redirect IPs

Create Track Objects to track the Redirect IPs:

DellEMC#configure terminal
DellEMC(conf)#track 3 ip host 42.1.1.2 reachability
DellEMC(conf-track-3)#probe icmp
DellEMC(conf-track-3)#track 4 ip host 43.1.1.2 reachability
DellEMC(conf-track-4)#probe icmp
DellEMC(conf-track-4)#end

Create a Redirect-list with Track Objects pertaining to Redirect-IPs:

DellEMC#configure terminal
DellEMC(conf)#ip redirect-list redirect_list_with_track
DellEMC(conf-redirect-list)#redirect 42.1.1.2 track 3 tcp 155.55.2.0/24 222.22.2.0/24
DellEMC(conf-redirect-list)#redirect 42.1.1.2 track 3 tcp any any
DellEMC(conf-redirect-list)#redirect 42.1.1.2 track 3 udp 155.55.0.0/16 host 144.144.144.144
DellEMC(conf-redirect-list)#redirect 42.1.1.2 track 3 udp any host 144.144.144.144
DellEMC(conf-redirect-list)#redirect 43.1.1.2 track 4 ip host 7.7.7.7 host 144.144.144.144
DellEMC(conf-redirect-list)#end

Verify the Status of the Track Objects (Up/Down):

DellEMC#show track brief

ResId  Resource                     Parameter                 State  LastChange
1      Interface ip routing         Tunnel 1                  Up     00:02:16  
2      Interface ipv6 routing       Tunnel 2                  Up     00:03:31  
3      IP Host reachability         42.1.1.2/32               Up     00:00:59  
4      IP Host reachability         43.1.1.2/32               Up     00:00:59  

Apply the Redirect Rule to an Interface:

DellEMC#
DellEMC(conf)#int TenGigabitEthernet 2/28
DellEMC(conf-if-te-2/28)#ip redirect-group redirect_list_with_track
DellEMC(conf-if-te-2/28)#end

Verify the Applied Redirect Rules:

DellEMC#show ip redirect-list redirect_list_with_track

IP redirect-list redirect_list_with_track
 Defined as:
  seq 5 redirect 42.1.1.2 track 3 tcp 155.55.2.0/24 222.22.2.0/24, Track 3 [up], Next-hop reachable (via Vl 20)
  seq 10 redirect 42.1.1.2 track 3 tcp any any, Track 3 [up], Next-hop reachable (via Vl 20)
  seq 15 redirect 42.1.1.2 track 3 udp 155.55.0.0/16 host 144.144.144.144, Track 3 [up], Next-hop reachable (via Vl 20)
  seq 20 redirect 42.1.1.2 track 3 udp any host 144.144.144.144, Track 3 [up], Next-hop reachable (via Vl 20)
  seq 25 redirect 43.1.1.2 track 4 ip host 7.7.7.7 host 144.144.144.144, Track 4 [up], Next-hop reachable (via Vl 20)
 Applied interfaces:
  Te 2/28
DellEMC#

Creating a PBR list using Explicit Track Objects for Tunnel Interfaces

Creating steps for Tunnel Interfaces:

DellEMC#configure terminal
DellEMC(conf)#interface tunnel 1
DellEMC(conf-if-tu-1)#tunnel destination 40.1.1.2
DellEMC(conf-if-tu-1)#tunnel source 40.1.1.1
DellEMC(conf-if-tu-1)#tunnel mode ipip
DellEMC(conf-if-tu-1)#tunnel keepalive 60.1.1.2
DellEMC(conf-if-tu-1)#ip address 60.1.1.1/24
DellEMC(conf-if-tu-1)#ipv6 address 600:10::1/64
DellEMC(conf-if-tu-1)#no shutdown
DellEMC(conf-if-tu-1)#end
DellEMC#

DellEMC#configure terminal
DellEMC(conf)#interface tunnel 2
DellEMC(conf-if-tu-2)#tunnel destination 441:10::2
DellEMC(conf-if-tu-2)#tunnel source 441:10::1
DellEMC(conf-if-tu-2)#tunnel mode ipv6
DellEMC(conf-if-tu-2)#tunnel keepalive 601:10::2
DellEMC(conf-if-tu-2)#ipv6 address 601:10::1/64
DellEMC(conf-if-tu-2)#no shutdown
DellEMC(conf-if-tu-2)#end
DellEMC#

Create Track Objects to track the Tunnel Interfaces:

DellEMC#configure terminal
DellEMC(conf)#track 1 interface tunnel 1 ip routing
DellEMC(conf-track-1)#exit
DellEMC(conf)#track 2 interface tunnel 2 ipv6 routing
DellEMC(conf-track-2)#end

Verify the Status of the Track Objects (Up/Down):

DellEMC#show track brief

ResId  Resource                     Parameter     State  LastChange
1      Interface ip routing         Tunnel 1        Up     00:00:00  
2      Interface ipv6 routing       Tunnel 2        Up     00:00:00  
DellEMC#

Create a Redirect-list with Track Objects pertaining to Tunnel Interfaces:

DellEMC#configure terminal
DellEMC(conf)#ip redirect-list explicit_tunnel
DellEMC(conf-redirect-list)#redirect tunnel 1 track 1 tcp 155.55.2.0/24 222.22.2.0/24
DellEMC(conf-redirect-list)#redirect tunnel 1 track 1 tcp any any
DellEMC(conf-redirect-list)#redirect tunnel 1 track 1 udp 155.55.0.0/16 host 144.144.144.144
DellEMC(conf-redirect-list)#redirect tunnel 2 track 2 tcp 155.55.2.0/24 222.22.2.0/24
DellEMC(conf-redirect-list)#redirect tunnel 2 track 2 tcp any any
DellEMC(conf-redirect-list)#end
DellEMC#

Apply the Redirect Rule to an Interface:

DellEMC#configure terminal
DellEMC(conf)#interface TenGigabitEthernet 2/28
DellEMC(conf-if-te-2/28)#ip redirect-group  explicit_tunnel
DellEMC(conf-if-te-2/28)#exit
DellEMC(conf)#end

Verify the Applied Redirect Rules:

DellEMC#show ip redirect-list explicit_tunnel

IP redirect-list explicit_tunnel:
 Defined as:
  seq 5 redirect tunnel 1 track 1 tcp 155.55.2.0/24 222.22.2.0/24, Track 1 [up], Next-hop reachable (via Te 1/32)
  seq 10 redirect tunnel 1 track 1 tcp any any, Track 1 [up], Next-hop reachable (via Te 1/32)
  seq 15 redirect tunnel 1 track 1 udp 155.55.0.0/16 host 144.144.144.144, Track 1 [up], Next-hop reachable (via Te 1/32)
  seq 20 redirect tunnel 2 track 2 tcp 155.55.2.0/24 222.22.2.0/24, Track 2 [up], Next-hop reachable (via Te 1/33)
  seq 25 redirect tunnel 2 track 2 tcp any any, Track 2 [up], Next-hop reachable (via Te 1/33)
 Applied interfaces:
  Te 2/28
DellEMC#

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