Brocade Communications Systems ICX 6650 Configuration Manual

Text of Brocade Communications Systems ICX 6650 User Guide:

• Brocade ICX 6650 Layer 3 Routing Configuration Guide 55 53-1002603-01 Configuring IP parameters – Layer 3 Switches This example shows two routes. Both of the routes are directly attached, as indicated in the Type column. However, one of the routes is shown as type “*D”, with an asterisk (*). The asterisk indicates that this route is a candidate default network route. Configu

• Brocade Communications Systems ICX 6650, 290 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 BGP4 parameters • Add neighbors. • Change the update timer for route changes. • Disable or enable fast external fallover. • Specify individual networks that can be advertised. • Change the default local preference, default information originate setting, or administrative distance. • Enable or disable use of a default route to resolve a BGP4 next-hop route. • Enable or disable MED (metric) comparison. • Require the first AS in an Update from an EBGP neighbor to be the neighbor AS. • Change MED comparison parameters. • Disab

• Brocade Communications Systems ICX 6650, Brocade ICX 6650 Layer 3 Routing Configuration Guide 81 53-1002603-01 Configuring IP parameters – Layer 3 Switches • For a Layer 3 device, one leased address is granted (per device) to the interface that first receives a response from the DHCP server. 2. If auto-update is enabled, the TFTP flash image is downloaded and updated. The device compares the filename of the requested flash image with the image stored in flash. If the filenames are different, then the device will download the new image from a TFTP server, write the downloaded image to flash, then reload the device. 3. In the final step, TFTP configura

• Brocade Communications Systems ICX 6650, Brocade ICX 6650 Layer 3 Routing Configuration Guide 109 53-1002603-01 IPv4 point-to-point GRE tunnels ip arp-age: 10 minutes No Helper Addresses are configured No inbound ip access-list is set No outgoing ip access-list is set Syntax: show ip interface tunnel [tunnel-ID] The tunnel-ID variable is a valid tunnel number or name. The show interface tunnel command displays the GRE tunnel configuration. Brocade# show int tunnel 3 Tunnel3 is up, line protocol is up Hardware is Tunnel Tunnel source 192.168.1.1 Tunnel destination is 192.168.2.3 Port name is customer1001 Internet address is 10.34.3.2/

• Brocade Communications Systems ICX 6650, Brocade ICX 6650 Layer 3 Routing Configuration Guide 111 53-1002603-01 IPv4 point-to-point GRE tunnels The following shows an example output of the show ip pim interface command. The lines in bold highlight the GRE tunnel-specific information. Brocade# show ip pim interface Interface e1/1/1 PIM Dense: V2 TTL Threshold: 1, Enabled, DR: itself Local Address: 10.10.10.10 Interface tn1 PIM Dense: V2 TTL Threshold: 1, Enabled, DR: 10.1.1.20 on tn1:e2 Local Address: 10.1.1.10 Neighbor: 10.1.1.20 Syntax: show ip pim interface The following shows an example output of the show ip pim

• 172 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF overview NOTE For details on how to configure the system to operate with the RFC 2178, refer to “Modifying the OSPF standard compliance setting” on page 210. Reduction of equivalent AS External LSAs An OSPF ASBR uses AS External link advertisements (AS External LSAs) to origina

• Brocade Communications Systems ICX 6650, Brocade ICX 6650 Layer 3 Routing Configuration Guide 127 53-1002603-01 Displaying IP configuration information and statistics received The number of UDP packets received by the device. sent The number of UDP packets sent by the device. no port The number of UDP packets dropped because they did not have a valid UDP port number. input errors This information is used by Brocade customer support. TCP statistics The TCP statistics are derived from RFC 793, “Transmission Control Protocol”. active opens T

• Brocade Communications Systems ICX 6650, 74 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Removing DHCP leases The clear ip dhcp-server binding command can be used to delete a specific lease, or all lease entries from the lease binding database. Brocade(config)# clear ip dhcp-server binding * Syntax: clear ip dhcp-server binding [address | *] • address - The IP address to be deleted • * - Clears all IP addresses Enabling DHCP Server The ip dhcp-server enable command enables DHCP Serv

• Brocade Communications Systems ICX 6650, 472 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 designated routers in multi-access networks, 170 disabling or re-enabling load sharing , 202 displaying ABR information , 225 displaying area information , 216 displaying data in an LSA , 224 displaying graceful restart information , 226 displaying information , 214 displaying interface information , 218, 219 displaying link state information , 223 displaying route information , 220 displaying trap status , 225 displaying virtual link information , 224 displaying virtual neighbor information , 224 dynamic a

• Brocade Communications Systems ICX 6650, 20 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Brocade devices support both classical IP network masks (Class A, B, and C subnet masks, and so on) and Classless Interdomain Routing (CIDR) network prefix masks: • To enter a classical network mask, enter the mask in IP address format. For example, enter “192.168.22.99 255.255.255.0” for an IP address with a Class-C subnet mask. • To enter a prefix network mask, enter a forward slash ( / ) and the number of bits in the mask immediately after the IP address. For exa

• Brocade Communications Systems ICX 6650, Brocade ICX 6650 Layer 3 Routing Configuration Guide 79 53-1002603-01 Configuring IP parameters – Layer 3 Switches lease: 0 0 30 netbios-name-server: 192.168.1.101 network: 192.168.1.0 255.255.255.0 next-bootstrap-server: 192.168.1.102 tftp-server: 192.168.1.103 Syntax: show ip dhcp-server address-pool[s] [name] • address-pool[s] - If you enter address-pools, the display will show all address pools • name - Displays information abo

• Brocade Communications Systems ICX 6650, Brocade ICX 6650 Layer 3 Routing Configuration Guide 131 53-1002603-01 Displaying IP configuration information and statistics total The total number of ICMP messages sent or received by the device. errors This information is used by Brocade customer support. unreachable The number of Destination Unreachable messages sent or received by the device. time exceed The number of Time Exceeded messages sent or received by the device. parameter The number of Parameter Problem messages sent or received by th

• Brocade Communications Systems ICX 6650, Brocade ICX 6650 Layer 3 Routing Configuration Guide 41 53-1002603-01 Configuring IP parameters – Layer 3 Switches Changing the TTL threshold The time to live (TTL) threshold prevents routing loops by specifying the maximum number of router hops an IP packet originated by the Layer 3 Switch can travel through. Each device capable of forwarding IP that receives the packet decrements (decreases) the packet TTL by one. If a device receives a packet with a TTL of 1 and reduces the TTL to zero, the device drops the packet. The default TTL is 64. You can ch

• Brocade Communications Systems ICX 6650, 82 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • Although the DHCP server may provide multiple addresses, only one IP address is installed at a time. • This feature is not supported together with DHCP snooping. The following configuration rules apply to flash image update: • To enable flash image update (ip dhcp-client auto-update enable command), also enable auto-configuration (ip dhcp-client enable command). • The image filename to be updated must have the extension .bin. • The DHCP option 067 bootfile name will b

• Brocade Communications Systems ICX 6650, 402 Brocade ICX 6650 Layer 3 Routing 53-1002603-01 Static IPv6 route configuration Table 74 describes the parameters associated with this command and indicates the status of each parameter. A metric is a value that the Layer 3 switch uses when comparing this route to other static routes in the IPv6 static route table that have the same destination. The metric applies only to routes that the Layer 3 switch has already placed in the IPv6 static route table. TABLE 74 Static IPv6 route parameters Parameter Configuration details Status The IPv6 prefix and prefix length of the route’s destina

• Brocade Communications Systems ICX 6650, 114 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuration information and statistics Syntax: show ip NOTE This command has additional options, which are explained in other sections in this guide, including the sections following this one. This display shows the following information. TABLE 16 CLI display of global IP configuration information – Layer 3 Switch Field Description Global settings ttl The Time-To-Live (TTL) for IP packets. The TTL specifies the maximum number of router hops a packet can travel before reaching the Brocade router. If the packet TTL value is higher than the value specified in this field, the Brocade router drops

• Brocade Communications Systems ICX 6650, Brocade ICX 6650 Layer 3 Routing Configuration Guide 451 53-1002603-01 Displaying VRRP and VRRP-E information current priority The current VRRP, VRRP v3, VRRP-E, or IPv6 VRRP-E priority of this Layer 3 switch for the VRID. The current priority can differ from the configured priority (refer to the priority field) for the following reason: The current priority can differ from the configured priority in the VRID if the VRID is configured with track ports and the link on a tracked interface has gone down. Refer to “Track ports and track priority” on page 416. hello-interval The configured value for the Hello interval. This is the amount of time, in millis

• Brocade Communications Systems ICX 6650, 168 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF overview This chapter describes how to configure OSPF Version 2 on Brocade Layer 3 Switches using the CLI. OSPF Version 2 is supported on devices running IPv4. NOTE The terms Layer 3 Switch and router are used interchangeably in this chapter and mean the same thing. OSPF overview Open Shortest Path First (OSPF) is a link-state routing protocol. The protocol uses link-state advertisements (LSAs) to update neighboring routers regarding its interfaces and information on t

• Brocade Communications Systems ICX 6650, Brocade ICX 6650 Layer 3 Routing Configuration Guide 373 53-1002603-01 Displaying BGP4 information Notification Sent If the router receives a NOTIFICATION message from the neighbor, the message contains an error code corresponding to one of the following errors. Some errors have subcodes that clarify the reason for the error. Where applicable, the subcode messages are listed underneath the error code messages. Message Header Error: • Connection Not Synchronized • Bad Message Length • Bad Message Type • Unspecified Open Message Error: • Unsupported Version • Bad Peer As • Bad BGP Identifier • Unsupported Optional Parameter • Authentication Failure • U

• Brocade Communications Systems ICX 6650, Brocade ICX 6650 Layer 3 Routing Configuration Guide xi 53-1002603-01 Comparison of VRRP and VRRP-E . . . . . . . . . . . . . . . . . . . . . . . . . .420 VRRP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .420 VRRP-E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .420 Architectural differences between VRRP and VRRP-E. . . . . . .421 VRRP and VRRP-E parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . .422 Note regarding disabling VRRP or VRRP-E . . . . . .

• Brocade Communications Systems ICX 6650, 436 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Additional VRRP and VRRP-E parameter configuration Configuring an IPv6 VRRP v3 interface as a Backup for a VRID To configure an IPv6 VRRP v3 interface as a Backup for a VRID, and set its VRRP priority and track priority, enter commands such as the following. Brocade Router2(config)# interface ethernet 1/1/5 Brocade Router2(config-if-e10000-1/1/5)# ipv6 vrrp vrid 1 Brocade Router2(config-if-e10000-1/1/5-vrid-1)# backup priority 50 track-priority 10 Brocade Router2(config-if-e10000-1/1/5-vrid-1)#advertise backup Configuring an IPv6 VRRP-E v3 interface as a Backup for a VRID To configure an IPv6 VRRP-E v3 interface as a B

• Brocade Communications Systems ICX 6650, Brocade ICX 6650 Layer 3 Routing Configuration Guide 379 53-1002603-01 Displaying BGP4 information Syntax: show ip bgp peer-group [peer-group-name] Only the parameters that have values different from their defaults are listed. Displaying summary route information To display summary statistics for all the routes in the Layer 3 switch BGP4 route table, enter a command such as the following at any level of the CLI. Syntax: show ip bgp routes summary Table 68 lists the field definitions for the command output. TABLE 68 BGP4 summary route information Field Description Total number of BGP routes (NLRIs) Installed The number of BGP4 rou

• Brocade Communications Systems ICX 6650, 10 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IP configuration overview IP multicast protocols Brocade Layer 3 Switches also support the following Internet Group Membership Protocol (IGMP) based IP multicast protocols: • Protocol Independent Multicast – Dense mode (PIM-DM) • Protocol Independent Multicast – Sparse mode (PIM-SM) For configuration information, refer to the Brocade ICX 6650 IP Multicast Configuration Guide. . NOTE Brocade Layer 2 Switches support IGMP and can forward IP multicast packets. For more information see, Chapter 2, “IP Multicast Reduction” in the Brocade ICX 6650 IP Mulitcast Con

• Brocade ICX 6650 Layer 3 Routing Configuration Guide xv 53-1002603-01 Brocade ICX 6650 slot and port numbering • Brocade ICX 6650 Diagnostic Reference • Unified IP MIB Reference • Ports-on-Demand Licensing for the Brocade ICX 6650 The latest versions of these guides are posted at http://www.brocade.com/ethernetproducts. Additional information This section lists additional Brocade and

• Brocade ICX 6650 Layer 3 Routing Configuration Guide 65 53-1002603-01 Configuring IP parameters – Layer 3 Switches To configure a helper address on an interface 2 on chassis module 1, enter the following commands. Brocade(config)# interface ethernet 1/1/2 Brocade(config-if-e10000-1/1/2)# ip helper-address 1 192.168.7.6 The commands in this example change the CLI to th

• Brocade Communications Systems ICX 6650, Brocade ICX 6650 Layer 3 Routing Configuration Guide 337 53-1002603-01 Filtering If you want to filter for a special character instead of using the special character as described in Table 62 on page 336, enter “\” (backslash) in front of the character. For example, to filter on AS-path strings containing an asterisk, enter the asterisk portion of the regular expression as “\*”. Brocade(config-bgp-router)#as-path-filter 2 deny \* To use the backslash as a string character, enter two slashes. For example, to filter on AS-path strings containing a backslash, enter the backslash portio

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