Chapter 16: Dynamic Routing Protocols
STANDARD Revision 1.0 C4® CMTS Release 8.3 User Guide
© 2016 ARRIS Enterprises LLC. All Rights Reserved. 481
Routing Information Base
Each MT belongs to a Distinct Address Family and routes learned within that topology are installed in a separate Routing
Information Base (RIB). The RIB associated with MT IPv4 (ID#0) is the default IPv4 VRF.
Displaying Active IPv4 Routes
To display all active IPv4 routes in this RIB, use the following command:
show ip route isis
Note: Be aware this can be an extremely large output.
The C4/c CMTS displays an output similar to the following:
Codes: (L1) internal level-1, (L2) internal level-2, (eL1) external level-1, (eL2) external level-2
(S) summary, (IA) internal area, (E1) external type-1, (E2) external type-2
(I) internal, (E) external
VRF Name IP Route Dest. Act PSt Next Hop Metric Protocol Dist Route Age Interface
=============== ================== === === =============== ====== ======== ==== ============ =============
default 4.4.4.0/24 Yes IS 10.85.9.1 30 isis(L1) 115 0 00:11:39 gigE 17/9.0
default 3.3.3.0/24 Yes IS 10.85.9.1 30 isis(L1) 115 0 00:11:39 gigE 17/9.0
Displaying Active IPv6 Routes
To display all active IPv6 routes in the RIB associated with the IPv6 (MT#2), use the following command:
show ipv6 route isis
Note: Be aware this can be an extremely large output.
The C4/c CMTS displays an output similar to the following:
Codes: (L1) internal level-1, (L2) internal level-2, (eL1) external level-1,
(eL2) external level-2 (S) summary, (IA) inter-area,
(E1) external type-1, (E2) external type-2, (I) internal,
(E) external
ACT Active-IS, IS Inactive-IS, OOS Inactive-OOS
Dist/
IPv6 Route Dest / mask Act Next Hop Metric Protocol RouteAge Interface
====================== === ============================= ======= ========= ======== ===========
2001:1111:2222:3333/64 ACT fe80::20b:45ff:feb6:100 115/20 isis(L1) 00:10:52 gigE 17/9.0
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