Table 13.10. Protocol-Independent Routing Monitoring Commands | Information to Monitor | Command | Example | | Information about the entries in the routing tables. | show route | user@host> show route brief inet.0: 14 destinations, 14 routes (13 active, 0 holddown, 1 hidden) + = Active Route, - = Last Active, * = Both 0.0.0.0/0 *[Static/5] 00:00:08 > to 111.222.5.254 via fxp0.0 1.0.0.1/32 *[Direct/0] 00:00:09 > via at-5/3/0.0 1.0.0.2/32 *[Local/0] 00:00:09 Local ... | | Routes transmitted by a particular routing protocol. | show route advertising-protocol | user@host> show route advertising-protocol bgp 111.222.1. 3 inet.0: 46498 destinations, 46498 routes (46496 active, 0 holddown, 2 hidden) Prefix Next hop MED Lclpref AS path 15.0.0.1/32 111.222.1.1 69 IGP | | Routes containing a specified AS path. | show route aspath-regex | user@host> show route aspath-regex 65477 inet.0: 46411 destinations, 46411 routes (46409 active, 0 holddown, 2 hidden) + = Active Route, - = Last Active, * = Both 111.222.1.0/25 *[BGP/170] 00:08:48, localpref 100, from 111.222.2.24 AS Path: [65477] ({65488 65535}) IGP to 111.222.18.225 via fpa0.0(111.222.18.233) 111.222.1.128/25 *[IS-IS/15] 09:15:37, metric 37, tag 1 to 111.222.18.225 via fpa0.0(111.222.18.233) [BGP/170] 00:08:48, localpref 100, from 111.222.2.24 AS Path: [65477] ({65488 65535}) IGP to 111.222.18.225 via fpa0.0(111.222.18.233) ... | | Best route to the specified address or range of addresses. | show route best | user@host> show route best 111.222/24 inet.0: 12 destinations, 12 routes (11 active, 0 holddown, 1 hidden) + = Active Route, - = Last Active, * = Both 0.0.0.0/0 *[Static/5] 00:09:41 > to 111.222.5.254 via so-2/0/1 | | Routes containing members of a BGP community. | show route community | user@host> show route community 234:80 inet.0: 46511 destinations, 46511 routes (46509 active, 0 holddown, 2 hidden) + = Active Route, - = Last Active, * = Both 4.0.0.0/8 *[BGP/170] 03:33:07, localpref 100, from 131.103.20.49 AS Path: {666}234 2548 1 IGP to 192.156.169.1 via 192.156.169.14(so-0/0/ 0) 6.0.0.0/8 *[BGP/170] 03:33:07, localpref 100, from 131.103.20.49 AS Path: {666}234 2548 568 721 Incomplete to 192.156.169.1 via 192.156.169.14(so-0/0/ 0) ... inet.1: 728 destinations, 728 routes (545 active, 0 holddown, 183 hidden) + = Active Route, - = Last Active, * = Both ... inet.2: 7367 destinations, 7360 routes (7307 active, 53 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both ... | | Routes that have been damped. | show route damping | user@host> show route damping detail inet.0: 21 destinations, 21 routes (15 active, 0 holddown, 6 hidden) + = Active Route, - = Last Active, * = Both 1.1.1.0/24 (1 entry, 0 announced) BGP Preference: /-101 Nexthop: 10.12.1.2 via en0.0, selected State: <Hidden Ext> Local AS: 911 Peer AS: 922 Age: 11:50 Task: BGP_922.10.12.1.2+179 AS path: 922 I Localpref: 100 Router ID: 111.222.1.46 Merit (last update/now): 4833/2796 Default damping parameters used Last update: 00:11:50 First update: 01:01:43 Flaps: 10 Suppressed. Reusable in: 00:28:40 Preference will be: 170 ... | | Routes that exactly match the specified address or range of addresses. | show route exact | user@host> show route exact 24.226.160.0/19 inet.0: 53294 destinations, 53294 routes (53293 active, 0 holddown, 1 hidden) + = Active Route, - = Last Active, * = Both 24.226.160.0/19 *[BGP/170] 00:31:04, MED 0, localpref 100, from 208.197.169.14 AS path: 2914 701 3493 11290 I > to 111.222.5.254 via fxp0.0 | | Routes that are currently inactive. | show route inactive | user@host> show route inactive inet.0: 12 destinations, 12 routes (11 active, 0 holddown, 1 hidden) + = Active Route, - = Last Active, * = Both 127.0.0.1/32 [Direct/0] 19:40:17 > via lo0.0 | | Routing instance information. | show route instance | user@host> show route instance summary Instance Type Primary rib Active/ holddown/hidden yellow-vpn vrf yellow-vp.inet.0 5/0/0 pink-vpn vrf pink-vpn.inet.0 4/0/0 green-vpn vrf green-vpn.inet.0 6/0/0 blue-vpn vrf blue-vpn.inet.0 5/0/0 master forwarding inet.0 29/0/1 | | Routes that form a label-switched path. | show route label-switched-path | user@host> show route label-switched-path sf-to-ny inet.0: 29 destinations, 29 routes (29 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both 1.1.1.1/32 [MPLS/7] 00:00:06, metric 0 > to 111.222.1.9 via s0-0/0/0, label- switched-path sf-to-ny 3.3.3.3/32 *[MPLS/7] 00:00:06, metric 0 > to 111.222.1.9 via s0-0/0/0, label- switched-path sf-to-ny inet.3: 3 destinations, 3 routes (3 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both 2.2.2.2/32 *[MPLS/7] 00:00:06, metric 0 > to 111.222.1.9 via s0-0/0/0, label- switched-path sf-to-ny 111.222.1.9/32 [MPLS/7] 00:00:06, metric 0 > to 111.222.1.9 via s0-0/0/0, label- switched-path sf-to-ny iso.0: 1 destinations, 1 routes (1 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both mpls.0: 2 destinations, 2 routes (2 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both | | Routes that contain the specified next hop. | show route next-hop | user@host> show route next-hop 111.222.5.25 4 inet.0: 12 destinations, 12 routes (11 active, 0 holddown, 1 hidden) + = Active Route, - = Last Active, * = Both 0.0.0.0/0 *[Static/5] 00:43:39 > to 111.222.5.254 via fxp0.0 | | Routes exiting the router through the specified interface. | show route output | user@host> show route output interface t3-5/2/1 inet.0: 12 destinations, 12 routes (11 active, 0 holddown, 1 hidden) + = Active Route, - = Last Active, * = Both 13.13.13.13/32 *[Direct/0] 00:44:55 > via t3-5/2/1.0 iso.0: 1 destinations, 1 routes (1 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both | | Routes learned by the specified protocol. | show route protocol | user@host> show route protocol direct inet.0: 35 destinations, 35 routes (34 active, 0 holddown, 1 hidden) + = Active Route, - = Last Active, * = Both 127.0.0.1/32 [Direct/0] 14:36:24 > via lo0.0 111.222.5.0/24 *[Direct/0] 14:36:24 > via fxp0.0 111.222.8.16/28 *[Direct/0] 14:36:24 > via at-5/3/0.0 ... iso.0: 1 destinations, 1 routes (1 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both 47.0005.80ff.f800.0000.0108.0001.1921.6800.5081.00/160 *[Direct/0] 14:36:24 > via lo0.0 | | Routes in a range of destination prefixes. | show route range | user@host> show route range inet.0: 27 destinations, 27 routes (26 active, 0 holddown, 1 hidden) + = Active Route, - = Last Active, * = Both 0.0.0.0/0 *[Static/5] 06:03:18 Discard 10.255.245.87/32 *[Direct/0] 06:03:19 > via lo0.0 123.16.1.0/24 *[Static/5] 06:03:18 > to 111.222.4.254 via fxp0.0 123.16.14.0/24 *[Static/5] 06:03:18 > to 111.222.4.254 via fxp0.0 ... | | Routes received by a particular routing protocol. | show route receive-protocol | user@host> show route receive-protocol bgp 10.255.245.63 extensive inet.0: 244 destinations, 244 routes (243 active, 0 holddown, 1 hidden) Prefix Nexthop MED Lclpref AS path 1.1.1.0/24 (1 entry, 1 announced) Nexthop: 10.0.50.3 Localpref: 100 AS path: I <Originator> Cluster list: 10.2.3.1 Originator ID: 10.255.245.45 165.3.0.0/16 (1 entry, 1 announced) Nexthop: 111.222.5.254 Localpref: 100 AS path: I <Originator> Cluster list: 10.2.3.1 Originator ID: 10.255.245.68 165.4.0.0/16 (1 entry, 1 announced) Nexthop: 111.222.5.254 Localpref: 100 AS path: I <Originator> Cluster list: 10.2.3.1 Originator ID: 10.255.245.45 195.1.2.0/24 (1 entry, 1 announced) Nexthop: 111.222.5.254 Localpref: 100 AS path: I <Originator> Cluster list: 10.2.3.1 Originator ID: 10.255.245.68 inet.2: 63 destinations, 63 routes (63 active, 0 holddown, 0 hidden) Prefix Nexthop MED Lclpref AS path inet.3: 10 destinations, 10 routes (10 active, 0 holddown, 0 hidden) Prefix Nexthop MED Lclpref AS path iso.0: 1 destinations, 1 routes (1 active, 0 holddown, 0 hidden) Prefix Nexthop MED Lclpref AS path mpls.0: 48 destinations, 48 routes (48 active, 0 holddown, 0 hidden) | | Entries in the next-hop resolution database. | show route resolution | user@host> show route resolution detail Table inet.0 Nodes 111590 0.0.0.0/0 Originating RIB: inet.0 Metric: 0 Forwarding nexthops: 0 Next hop type: Discard 1.0.0.0/8 Originating RIB: inet.0 Metric: 2 Indirect nexthops: 1 Protocol nexthop: 10.255.14.181 Metric: 2 Indirect nexthop: 84cc770 104 Indirect path forwarding nexthops: 1 Nexthop: 10.19.2.2 via t1-0/2/0.0 10.255.14.181/32 Originating RIB: inet.0 Metric: 2 Forwarding nexthops: 1 Nexthop: 10.19.2.2 via t1-0/2/0.0 Has inactive paths with indirect nexthops: Indirect nexthops: 1 Protocol nexthop: 10.255.14.175 Metric: 4 Indirect nexthop: 84cc6e8 103 Indirect path forwarding nexthops: 1 Nexthop: 10.19.4.2 via t3-0/3/0.0 10.255.14.175/32 Originating RIB: inet.0 Metric: 4 Forwarding nexthops: 1 Nexthop: 10.19.4.2 via t3-0/3/0.0 ... | | Routes learned from the specified source. | show route source-gateway | user@host> show route source-gateway 131.103.20.49 inet.0: 46035 destinations, 46035 routes (46033 active, 0 holddown, 2 hidden) + = Active Route, - = Last Active, * = Both 4.0.0.0/8 *[BGP/170] 04:43:40, from 131.103.20.49 AS Path: {666}234 2548 1 IGP to 192.156.169.1 via 192.156.169.14(de0.0) 6.0.0.0/8 *[BGP/170] 04:43:40, from 131.103.20.49 AS Path: {666}234 2548 568 721 Incomplete to 192.156.169.1 via 192.156.169.14(de0.0) ... | | Statistics about routes in all routing tables. | show route summary | user@host> show route summary inet.0: 66452 destinations, 66452 routes (66452 active, 0 holddown, 0 hidden) Direct: 3 routes, 3 active Local: 2 routes, 2 active BGP: 84654 routes, 64536 active IS-IS: 1904 routes, 1903 active inet.3: 1 destinations, 1 routes (1 active, 0 holddown, 0 hidden) Static: 1 routes, 1 active iso.0: 1 destinations, 1 routes (1 active, 0 holddown, 0 hidden) Direct: 1 routes, 1 active | | Routes in a particular routing table. | show route table | user@host> show route table inet.0 inet.0: 12 destinations, 12 routes (11 active, 0 holddown, 1 hidden) + = Active Route, - = Last Active, * = Both 0.0.0.0/0 *[Static/5] 00:51:57 > to 111.222.5.254 via fxp0.0 1.0.0.1/32 *[Direct/0] 00:51:58 > via at-5/3/0.0 1.0.0.2/32 *[Local/0] 00:51:58 Local ... | | High-level summary of routing table information. | show route terse | user@host> show route terse inet.0: 12 destinations, 12 routes (11 active, 0 holddown, 1 hidden) + = Active Route, - = Last Active, * = Both A Destination P Prf Metric 1 Metric 2 Next hop AS path * 0.0.0.0/0 S 5 >111.222.5.254 * 1.0.0.1/32 D 0 >at-5/3/0.0 * 1.0.0.2/32 L 0 Local ... | | Information about the entries in the kernel's forwarding table. | show route forwarding-table | user@host> show route forwarding-table Internet: Destination Type RtRef Nexthop Type Index NhRef Netif ... 123.456.0.0/18 user 0 111.222.5.254 ucst 19 55371 fxp0.0 123.457.0.0/18 user 0 111.222.5.254 ucst 19 55371 fxp0.0 123.123.0.0/17 user 0 111.222.5.254 ucst 19 55371 fxp0.0 ... | | Clear a route entry from the kernel's forwarding table. | clear route forwarding-table | user@host> clear route forwarding-table 123.456.0.0 user@host> show route forwarding-table Internet: Destination Type RtRef Nexthop Type Index NhRef Netif ... 123.457.0.0/18 user 0 111.222.5.254 ucst 19 55371 fxp0.0 123.123.0.0/17 user 0 111.222.5.254 ucst 19 55371 fxp0.0 ... | | Information about martian addresses. | show route martians | user@host> show route martians inet.0: 0.0.0.0/0 Match: Exact, Advertise: <none> 0.0.0.0/8 Match: <none>, Advertise: <none> 127.0.0.0/8 Match: <none>, Advertise: Restrict 128.0.0.0/16 Match: <none>, Advertise: Restrict 191.255.0.0/16 Match: <none>, Advertise: Restrict 192.0.0.0/24 Match: <none>, Advertise: Restrict 223.255.255.0/24 Match: <none>, Advertise: Restrict 240.0.0.0/4 Match: <none>, Advertise: Restrict inet.1: 0.0.0.0/0 Match: Exact, Advertise: <none> 0.0.0.0/8 Match: <none>, Advertise: <none> 127.0.0.0/8 Match: <none>, Advertise: Restrict 128.0.0.0/16 Match: <none>, Advertise: Restrict ... | | AS paths. | show as-path | user@host> show as-path Total AS paths: 24744 Path: 234 234 3561 6503 278 3596 I Refs: 2 ASes: 6 Segments: 1 Overhead: 64 Path: 267 234 3561 4926 4926 4926 10834 5648 I <ASLoop> Refs: 2 ASes: 8 Segments: 1 Overhead: 64 ... | |
