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Sample Configuration with prefix-list and community match rules --------------------------------------------------------------- R1 ------- R2(DUT) ------- R3 Router2# show running-config Building configuration... Current configuration: ! frr version 7.6-dev-MyOwnFRRVersion frr defaults traditional hostname router log file /var/log/frr/bgpd.log log syslog informational hostname Router2 service integrated-vtysh-config ! debug bgp updates in debug bgp updates out ! debug route-map ! ip route 20.20.0.0/16 blackhole ipv6 route 2001:db8::200/128 blackhole ! interface enp0s9 ip address 10.10.10.2/24 ! interface enp0s10 ip address 10.10.20.2/24 ! interface lo ip address 2.2.2.2/32 ! router bgp 2 bgp log-neighbor-changes no bgp ebgp-requires-policy neighbor 10.10.10.1 remote-as 1 neighbor 10.10.20.3 remote-as 3 ! address-family ipv4 unicast neighbor 10.10.10.1 soft-reconfiguration inbound neighbor 10.10.20.3 soft-reconfiguration inbound neighbor 10.10.20.3 advertise-map ADV-MAP non-exist-map EXIST-MAP exit-address-family ! ip prefix-list DEFAULT seq 5 permit 1.1.1.5/32 ip prefix-list DEFAULT seq 10 permit 1.1.1.1/32 ip prefix-list EXIST seq 5 permit 10.10.10.10/32 ip prefix-list DEFAULT-ROUTE seq 5 permit 0.0.0.0/0 ip prefix-list IP1 seq 5 permit 10.139.224.0/20 ip prefix-list T2 seq 5 permit 1.1.1.5/32 ! bgp community-list standard DC-ROUTES seq 5 permit 64952:3008 bgp community-list standard DC-ROUTES seq 10 permit 64671:501 bgp community-list standard DC-ROUTES seq 15 permit 64950:3009 bgp community-list standard DEFAULT-ROUTE seq 5 permit 65013:200 ! route-map ADV-MAP permit 10 match ip address prefix-list IP1 ! route-map ADV-MAP permit 20 match community DC-ROUTES ! route-map EXIST-MAP permit 10 match community DEFAULT-ROUTE match ip address prefix-list DEFAULT-ROUTE ! line vty ! end Router2# Router2# show ip bgp 0.0.0.0 BGP routing table entry for 0.0.0.0/0 Paths: (1 available, best #1, table default) Advertised to non peer-group peers: 10.10.10.1 10.10.20.3 1 10.10.10.1 from 10.10.10.1 (10.139.224.1) Origin IGP, metric 0, valid, external, best (First path received) Community: 64848:3011 65011:200 65013:200 Last update: Tue Oct 6 02:39:42 2020 Router2# Sample output with non-exist-map when default route present in table -------------------------------------------------------------------- Router2# show ip bgp BGP table version is 4, local router ID is 2.2.2.2, vrf id 0 Default local pref 100, local AS 2 Status codes: s suppressed, d damped, h history, * valid, > best, = multipath, i internal, r RIB-failure, S Stale, R Removed Nexthop codes: @NNN nexthop's vrf id, < announce-nh-self Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *> 0.0.0.0/0 10.10.10.1 0 0 1 i *> 1.1.1.1/32 10.10.10.1 0 0 1 i *> 1.1.1.5/32 10.10.10.1 0 0 1 i *> 10.139.224.0/20 10.10.10.1 0 0 1 ? Displayed 4 routes and 4 total paths Router2# show ip bgp neighbors 10.10.20.3 advertised-routes BGP table version is 4, local router ID is 2.2.2.2, vrf id 0 Default local pref 100, local AS 2 Status codes: s suppressed, d damped, h history, * valid, > best, = multipath, i internal, r RIB-failure, S Stale, R Removed Nexthop codes: @NNN nexthop's vrf id, < announce-nh-self Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *> 0.0.0.0/0 0.0.0.0 0 1 i *> 1.1.1.5/32 0.0.0.0 0 1 i <<<<<<<<< non-exist-map : 0.0.0.0/0 is present so, 10.139.224.0/20 not advertised Total number of prefixes 2 Sample output with non-exist-map when default route not present in table ------------------------------------------------------------------------ Router2# show ip bgp BGP table version is 5, local router ID is 2.2.2.2, vrf id 0 Default local pref 100, local AS 2 Status codes: s suppressed, d damped, h history, * valid, > best, = multipath, i internal, r RIB-failure, S Stale, R Removed Nexthop codes: @NNN nexthop's vrf id, < announce-nh-self Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *> 1.1.1.1/32 10.10.10.1 0 0 1 i *> 1.1.1.5/32 10.10.10.1 0 0 1 i *> 10.139.224.0/20 10.10.10.1 0 0 1 ? Displayed 3 routes and 3 total paths Router2# Router2# Router2# show ip bgp neighbors 10.10.20.3 advertised-routes BGP table version is 5, local router ID is 2.2.2.2, vrf id 0 Default local pref 100, local AS 2 Status codes: s suppressed, d damped, h history, * valid, > best, = multipath, i internal, r RIB-failure, S Stale, R Removed Nexthop codes: @NNN nexthop's vrf id, < announce-nh-self Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *> 1.1.1.1/32 0.0.0.0 0 1 i *> 1.1.1.5/32 0.0.0.0 0 1 i *> 10.139.224.0/20 0.0.0.0 0 1 ? <<<<<<<<< non-exist-map : 0.0.0.0/0 is not present so, 10.139.224.0/20 advertised Total number of prefixes 3 Router2# Sample output with exist-map when default route present in table -------------------------------------------------------------------- Router2# show ip bgp BGP table version is 8, local router ID is 2.2.2.2, vrf id 0 Default local pref 100, local AS 2 Status codes: s suppressed, d damped, h history, * valid, > best, = multipath, i internal, r RIB-failure, S Stale, R Removed Nexthop codes: @NNN nexthop's vrf id, < announce-nh-self Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *> 0.0.0.0/0 10.10.10.1 0 0 1 i *> 1.1.1.1/32 10.10.10.1 0 0 1 i *> 1.1.1.5/32 10.10.10.1 0 0 1 i *> 10.139.224.0/20 10.10.10.1 0 0 1 ? Displayed 4 routes and 4 total paths Router2# Router2# Router2# Router2# Router2# show ip bgp neighbors 10.10.20.3 advertised-routes BGP table version is 8, local router ID is 2.2.2.2, vrf id 0 Default local pref 100, local AS 2 Status codes: s suppressed, d damped, h history, * valid, > best, = multipath, i internal, r RIB-failure, S Stale, R Removed Nexthop codes: @NNN nexthop's vrf id, < announce-nh-self Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *> 0.0.0.0/0 0.0.0.0 0 1 i *> 1.1.1.1/32 0.0.0.0 0 1 i *> 1.1.1.5/32 0.0.0.0 0 1 i *> 10.139.224.0/20 0.0.0.0 0 1 ? <<<<<<<<< exist-map : 0.0.0.0/0 is present so, 10.139.224.0/20 advertised Total number of prefixes 4 Router2# Sample output with exist-map when default route not present in table -------------------------------------------------------------------- Router2# show ip bgp BGP table version is 9, local router ID is 2.2.2.2, vrf id 0 Default local pref 100, local AS 2 Status codes: s suppressed, d damped, h history, * valid, > best, = multipath, i internal, r RIB-failure, S Stale, R Removed Nexthop codes: @NNN nexthop's vrf id, < announce-nh-self Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *> 1.1.1.1/32 10.10.10.1 0 0 1 i *> 1.1.1.5/32 10.10.10.1 0 0 1 i *> 10.139.224.0/20 10.10.10.1 0 0 1 ? Displayed 3 routes and 3 total paths Router2# Router2# Router2# Router2# show ip bgp neighbors 10.10.20.3 advertised-routes BGP table version is 9, local router ID is 2.2.2.2, vrf id 0 Default local pref 100, local AS 2 Status codes: s suppressed, d damped, h history, * valid, > best, = multipath, i internal, r RIB-failure, S Stale, R Removed Nexthop codes: @NNN nexthop's vrf id, < announce-nh-self Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *> 1.1.1.5/32 0.0.0.0 0 1 i <<<<<<<<< exist-map : 0.0.0.0/0 is not present so, 10.139.224.0/20 not advertised Total number of prefixes 1 Router2# Signed-off-by: Madhuri Kuruganti <k.madhuri@samsung.com> |
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| .github | ||
| alpine | ||
| babeld | ||
| bfdd | ||
| bgpd | ||
| debian | ||
| doc | ||
| docker | ||
| eigrpd | ||
| fpm | ||
| gdb | ||
| grpc | ||
| include | ||
| isisd | ||
| ldpd | ||
| lib | ||
| m4 | ||
| mlag | ||
| nhrpd | ||
| ospf6d | ||
| ospfclient | ||
| ospfd | ||
| pbrd | ||
| pimd | ||
| pkgsrc | ||
| python | ||
| qpb | ||
| redhat | ||
| ripd | ||
| ripngd | ||
| sharpd | ||
| snapcraft | ||
| staticd | ||
| tests | ||
| tools | ||
| vrrpd | ||
| vtysh | ||
| watchfrr | ||
| yang | ||
| zebra | ||
| .clang-format | ||
| .dir-locals.el | ||
| .dockerignore | ||
| .git-blame-ignore-revs | ||
| .gitignore | ||
| bootstrap.sh | ||
| buildtest.sh | ||
| changelog-auto.in | ||
| config.version.in | ||
| configure.ac | ||
| COPYING | ||
| COPYING-LGPLv2.1 | ||
| Makefile.am | ||
| README.md | ||
| stamp-h.in | ||
FRRouting
FRR is free software that implements and manages various IPv4 and IPv6 routing protocols. It runs on nearly all distributions of Linux and BSD and supports all modern CPU architectures.
FRR currently supports the following protocols:
- BGP
- OSPFv2
- OSPFv3
- RIPv1
- RIPv2
- RIPng
- IS-IS
- PIM-SM/MSDP
- LDP
- BFD
- Babel
- PBR
- OpenFabric
- VRRP
- EIGRP (alpha)
- NHRP (alpha)
Installation & Use
For source tarballs, see the releases page.
For Debian and its derivatives, use the APT repository at https://deb.frrouting.org/.
Instructions on building and installing from source for supported platforms may be found in the developer docs.
Once installed, please refer to the user guide for instructions on use.
Community
The FRRouting email list server is located here and offers the following public lists:
| Topic | List |
|---|---|
| Development | dev@lists.frrouting.org |
| Users & Operators | frog@lists.frrouting.org |
| Announcements | announce@lists.frrouting.org |
For chat, we currently use Slack. You can join by clicking the "Slack" link under the Participate section of our website.
Contributing
FRR maintains developer's documentation which contains the project workflow and expectations for contributors. Some technical documentation on project internals is also available.
We welcome and appreciate all contributions, no matter how small!
Security
To report security issues, please use our security mailing list:
security [at] lists.frrouting.org