Displaying gre tunneling information – Brocade BigIron RX Series Configuration Guide User Manual

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BigIron RX Series Configuration Guide

171

53-1002484-04

Configuring IP parameters

7

BigIron RX(config-tnif-1)# ip address 10.10.3.2/24

BigIron RX(config-tnif-1)# exit

BigIron RX(config)# ip route 36.0.8.0/24 131.108.5.1

BigIron RX(config)# ip route 10.10.1.0/24 tunnel 1

Displaying GRE tunneling information

You can display GRE Tunneling Information using the show ip interface, show ip route and show
interface tunnel commands as shown in the following.

BigIron RX# show ip interface tunnel 1

Interface Tunnel 1

port enabled

port state: UP

ip address: 10.10.3.1/24

encapsulation: ETHERNET, mtu: 1476

Tunnel loopback is 4/1

directed-broadcast-forwarding: disabled

ip icmp redirect: enabled

No inbound ip access-list is set

No outbound ip access-list is set

No Helper Addresses are configured

Syntax: show ip interface tunnel <tunnel-no>

This display shows the following information.

The show ip route command displays routes that are pointing to a GRE tunnel as shown in the
following.

BigIron RX# show ip route

Total number of IP routes: 9

Type Codes - B:BGP D:Connected I:ISIS S:Static R:RIP O:OSPF; Cost - Dist/Metric

Destination Gateway Port Cost Type

1 2.2.2.1/32 DIRECT loopback1 0/0 D

2 10.10.1.0/24 110.110.2.12 tunnel 1 1/1 S

3 20.2.1.0/24 DIRECT eth5/11 0/0 D

TABLE 48

CLI display of IP interface tunnel configuration information

This field...

Displays...

Interface

The tunnel and tunnel number.

port state

The state of the port. The port states can be either UP or DOWN.

ip address

The IP address of the tunnel interface.

encapsulation

The format of the packets in which the router encapsulates IP datagrams. The
encapsulation format can be one of the following:

Ethernet II

SNAP

mtu

The value of the IP GRE tunnel MTU.

Tunnel loopback

The port number assigned to be the loopback port for the specified
tunnel interface.

directed-broadcast-forwarding

The state of the directed-broadcast-forwarding parameter. The states can be
either enabled or disabled on a specific interface.

ip icmp redirect

The ip icmp redirect messages can be enabled or disabled on a specific
interface.

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