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R3721-F3210-F3171-HP High-End Firewalls Network Management Configuration Guide-6PW101

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Table Of Contents
506
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IPV4 Destination IntCost ExtCost ExitInterface NextHop Flags
--------------------------------------------------------------------------
10.1.1.0/24 10 NULL GE4/2 Direct D/L/-
10.1.2.0/24 10 NULL GE4/1 Direct D/L/-
192.168.0.0/24 10 NULL GE4/3 Direct D/L/-
Flags: D-Direct, R-Added to RM, L-Advertised in LSPs, U-Up/Down Bit Set
ISIS(1) IPv4 Level-2 Forwarding Table
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IPV4 Destination IntCost ExtCost ExitInterface NextHop Flags
--------------------------------------------------------------------------
10.1.1.0/24 10 NULL GE4/2 Direct D/L/-
10.1.2.0/24 10 NULL GE4/1 Direct D/L/-
192.168.0.0/24 10 NULL GE4/3 Direct D/L/-
172.16.0.0/16 20 NULL GE4/3 192.168.0.2 R/-/-
Flags: D-Direct, R-Added to RM, L-Advertised in LSPs, U-Up/Down Bit Set
[FirewallD] display isis route
Route information for ISIS(1)
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ISIS(1) IPv4 Level-2 Forwarding Table
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IPV4 Destination IntCost ExtCost ExitInterface NextHop Flags
--------------------------------------------------------------------------
192.168.0.0/24 10 NULL GE4/1 Direct D/L/-
10.1.1.0/24 20 NULL GE4/1 192.168.0.1 R/-/-
10.1.2.0/24 20 NULL GE4/1 192.168.0.1 R/-/-
172.16.0.0/16 10 NULL GE4/2 Direct D/L/-
Flags: D-Direct, R-Added to RM, L-Advertised in LSPs, U-Up/Down Bit Set
DIS election configuration example
Network requirements
As shown in Figure 294, on a broadcast network (Ethernet), Firewall A, Firewall B, Firewall C and
Firewall D reside in IS-IS area 10. Firewall A and Firewall B are Level-1-2 routers, Firewall C is a Level-1
router, and Firewall D is a Level-2 router.
Change the DIS priority of Firewall A to make it selected as the Level-1-2 DIS router.